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	Author	Akamine, H.; Mitsuhara, M.; Nishida, M.; Samaee, V.; Schryvers, D.; Tsukamoto, G.; Kunieda, T.; Fujii, H.
	Title	Precipitation behaviors in Ti-2.3 Wt Pct Cu alloy during isothermal and two-step aging			Type	A1 Journal article
	Year	2021	Publication	Metallurgical And Materials Transactions A-Physical Metallurgy And Materials Science	Abbreviated Journal	Metall Mater Trans A
	Volume	52	Issue		Pages	2760-2772
	Keywords	A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT)
	Abstract	Time evolution of precipitates related to age-hardening in Ti-2.3 wt pct Cu alloys was investigated by electron microscopy. In isothermal aging at 723 K, the hardness increases continuously owing to precipitation strengthening, whereas in two-step aging where the aging temperature is switched from 673 K to 873 K after 100 hours, the hardness is found to drastically drop after the aging temperature switches. In isothermal aging, metastable and stable precipitates are independently nucleated, whereas characteristic V-shaped clusters of precipitates are observed during the two-step aging. It is revealed by atomic-scale observations that the V-shaped clusters are composed of metastable and stable precipitates and each type of precipitate has a different orientation relationship with the alpha phase: (10 (3) over bar)//(0001)(alpha) and [0 (1) over bar0]//respectively. The drop in hardness during two-step aging can be explained by a synergistic effect of decreased precipitation strengthening and solid solution strengthening. (C) The Minerals, Metals & Materials Society and ASM International 2021
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Wos	000644823000001	Publication Date	2021-04-27
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1073-5623	ISBN		Additional Links	UA library record; WoS full record
	Impact Factor	1.874	Times cited		Open Access	OpenAccess
	Notes				Approved	Most recent IF: 1.874
	Call Number	UA @ admin @ c:irua:178222			Serial	6786
Permanent link to this record



	Author	Pittarello, L.; Ji, G.; Yamaguchi, A.; Schryvers, D.; Debaille, V.; Claeys, P.
	Title	From olivine to ringwoodite : a TEM study of a complex process			Type	A1 Journal article
	Year	2015	Publication	Meteoritics and Planetary Science	Abbreviated Journal	Meteorit Planet Sci
	Volume	50	Issue	50	Pages	944-957
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract	The study of shock metamorphism of olivine might help to constrain impact events in the history of meteorites. Although shock features in olivine are well known, so far, there are processes that are not yet completely understood. In shock veins, olivine clasts with a complex structure, with a ringwoodite rim and a dense network of lamellae of unidentified nature in the core, have been reported in the literature. A highly shocked (S5-6), L6 meteorite, Asuka 09584, which was recently collected in Antarctica by a Belgian-Japanese joint expedition, contains this type of shocked olivine clasts and has been, therefore, selected for detailed investigations of these features by transmission electron microscopy (TEM). Petrographic, geochemical, and crystallographic studies showed that the rim of these shocked clasts consists of an aggregate of nanocrystals of ringwoodite, with lower Mg/Fe ratio than the unshocked olivine. The clast's core consists of an aggregate of iso-oriented grains of olivine and wadsleyite, with higher Mg/Fe ratio than the unshocked olivine. This aggregate is crosscut by veinlets of nanocrystals of olivine, with extremely low Mg/Fe ratio. The formation of the ringwoodite rim is likely due to solid-state, diffusion-controlled, transformation from olivine under high-temperature conditions. The aggregate of iso-oriented olivine and wadsleyite crystals is interpreted to have formed also by a solid-state process, likely by coherent intracrystalline nucleation. Following the compression, shock release is believed to have caused opening of cracks and fractures in olivine and formation of olivine melt, which has lately crystallized under postshock equilibrium pressure conditions as olivine.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Wos	000354258400008	Publication Date	2015-04-20
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1086-9379;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	2.391	Times cited	8	Open Access
	Notes				Approved	Most recent IF: 2.391; 2015 IF: 3.104
	Call Number	c:irua:126058			Serial	1283
Permanent link to this record



	Author	Shapiro, S.M.; Yang, B.X.; Noda, Y.; Tanner, L.E.; Schryvers, D.
	Title	Neutron-scattering and electron microscopy studies of premartensitic phenomena in Ni_xAl_100-x alloys			Type	A1 Journal article
	Year	1991	Publication	Physical review : B : condensed matter and materials physics	Abbreviated Journal	Phys Rev B
	Volume	44	Issue		Pages	9301-9313
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Lancaster, Pa	Editor
	Language		Wos	A1991GP26700019	Publication Date	0000-00-00
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1098-0121; 0163-1829	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	3.736	Times cited	123	Open Access
	Notes				Approved	MATERIALS SCIENCE, MULTIDISCIPLINARY 96/271 Q2 #
	Call Number	UA @ lucian @ c:irua:48351			Serial	2299
Permanent link to this record



	Author	Potapov, P.L.; Jorissen, K.; Schryvers, D.; Lamoen, D.
	Title	Effect of charge transfer on EELS integrated cross sections in Mn and Ti oxides			Type	A1 Journal article
	Year	2004	Publication	Physical review : B : condensed matter and materials physics	Abbreviated Journal	Phys Rev B
	Volume	70	Issue		Pages	045106,1-10
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Lancaster, Pa	Editor
	Language		Wos	000223053300016	Publication Date	2004-07-19
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1098-0121;1550-235X;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	3.836	Times cited	28	Open Access
	Notes				Approved	Most recent IF: 3.836; 2004 IF: 3.075
	Call Number	UA @ lucian @ c:irua:47333			Serial	803
Permanent link to this record



	Author	Dobysheva, L.V.; Potapov, P.L.; Schryvers, D.
	Title	Electron-energy-loss spectra of NiO			Type	A1 Journal article
	Year	2004	Publication	Physical review : B : condensed matter and materials physics	Abbreviated Journal	Phys Rev B
	Volume	69	Issue		Pages	184404,1-6
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Lancaster, Pa	Editor
	Language		Wos	000222095500034	Publication Date	2004-05-07
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1098-0121;1550-235X;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	3.836	Times cited	17	Open Access
	Notes				Approved	Most recent IF: 3.836; 2004 IF: 3.075
	Call Number	UA @ lucian @ c:irua:51059			Serial	930
Permanent link to this record



	Author	Salje, E.K.H.; Zhang, H.; Idrissi, H.; Schryvers, D.; Carpenter, M.A.; Moya, X.; Planes, A.
	Title	Mechanical resonance of the austenite/martensite interface and the pinning of the martensitic microstructures by dislocations in Cu_74.08Al_23.13Be_2.79			Type	A1 Journal article
	Year	2009	Publication	Physical review: B: condensed matter and materials physics	Abbreviated Journal	Phys Rev B
	Volume	80	Issue	13	Pages	134114,1-1134114,8
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract	A single crystal of Cu74.08Al23.13Be2.79 undergoes a martensitic phase transition at 246 and 232 K under heating and cooling, respectively. The phase fronts between the austenite and martensite regions of the sample are weakly mobile with a power-law resonance under external stress fields. Surprisingly, the martensite phase is elastically much harder than the austenite phase showing that interfaces between various crystallographic variants are strongly pinned and cannot be moved by external stress while the phase boundary between the austenite and martensite regions in the sample remains mobile. This unusual behavior was studied by dynamical mechanical analysis (DMA) and resonant ultrasound spectroscopy. The remnant strain, storage modulus, and internal friction were recorded simultaneously for different applied forces in DMA. With increasing forces, the remnant strain increases monotonously while the internal friction peak height shows a minimum at 300 mN. Transmission electron microscopy shows that the pinning is generated by dislocations which are inherited from the austenite phase.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Lancaster, Pa	Editor
	Language		Wos	000271351300033	Publication Date	2009-10-22
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1098-0121;1550-235X;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	3.836	Times cited	38	Open Access
	Notes	Multimat			Approved	Most recent IF: 3.836; 2009 IF: 3.475
	Call Number	UA @ lucian @ c:irua:78542			Serial	1975
Permanent link to this record



	Author	Potapov, P.L.; Kulkova, S.E.; Schryvers, D.; Verbeeck, J.
	Title	Structural and chemical effects on EELS L_3,2 ionization edges in Ni-based intermetallic compounds			Type	A1 Journal article
	Year	2001	Publication	Physical review : B : condensed matter and materials physics	Abbreviated Journal	Phys Rev B
	Volume	64	Issue		Pages	184110,1-9
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Lancaster, Pa	Editor
	Language		Wos	000172239400038	Publication Date	2002-07-27
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1098-0121;1550-235X;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	3.836	Times cited	44	Open Access
	Notes				Approved	Most recent IF: 3.836; 2001 IF: NA
	Call Number	UA @ lucian @ c:irua:48393			Serial	3192
Permanent link to this record



	Author	Lexcellent, C.; Vivet, A.; Bouvet, C.; Blanc, P.; Satto, C.; Schryvers, D.
	Title	From the lattice measurements of the austenite and the martensite cells to the macroscopic mechanical behavior of shape memory alloys			Type	A1 Journal article
	Year	2001	Publication	Journal de physique: 4	Abbreviated Journal	J Phys Iv
	Volume	11	Issue	5	Pages	317-324
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos		Publication Date	0000-00-00
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited		Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:48388			Serial	1288
Permanent link to this record



	Author	Schryvers, D.
	Title	Martensitic and bainitic transformations in Ni-Al alloys			Type	A1 Journal article
	Year	1994	Publication	Journal de physique: 4	Abbreviated Journal
	Volume	C2	Issue		Pages	225-234
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos		Publication Date	0000-00-00
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339	ISBN		Additional Links	UA library record
	Impact Factor		Times cited		Open Access
	Notes				Approved
	Call Number	UA @ lucian @ c:irua:10014			Serial	1946
Permanent link to this record



	Author	Schryvers, D.; Toth, L.; Ma, Y.; Tanner, L.E.
	Title	Nucleation and growth of the Ni₅Al₃ in NiAl austenite and martensite			Type	A1 Journal article
	Year	1994	Publication	Journal de physique: 4	Abbreviated Journal
	Volume	C2	Issue		Pages	299-304
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos		Publication Date	0000-00-00
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339	ISBN		Additional Links	UA library record
	Impact Factor		Times cited		Open Access
	Notes				Approved	no
	Call Number	UA @ lucian @ c:irua:10015			Serial	2388
Permanent link to this record



	Author	Seo, J.W.; Schryvers, D.
	Title	Defect structures in CuZr martensite, studies by CTEM and HRTEM			Type	A1 Journal article
	Year	1997	Publication	Journal de physique: 4	Abbreviated Journal	J Phys Iv
	Volume	C5	Issue		Pages	149-154
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	000072520300024	Publication Date	2007-07-11
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	1	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:21351			Serial	623
Permanent link to this record



	Author	Schryvers, D.; Potapov, P.
	Title	Electron diffraction refinement of the TiNi(Fe) R-phase structure			Type	A1 Journal article
	Year	2003	Publication	Journal de physique	Abbreviated Journal	J Phys Iv
	Volume	112	Issue		Pages	751-754
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Paris	Editor
	Language		Wos	000186503400030	Publication Date	2008-08-19
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	7	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:48389			Serial	922
Permanent link to this record



	Author	Schryvers, D.
	Title	Electron microscopy studies of martensite microstructures			Type	A1 Journal article
	Year	1997	Publication	Journal de physique: 4	Abbreviated Journal	J Phys Iv
	Volume	C5	Issue		Pages	109-118
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	000072520300018	Publication Date	2007-07-11
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	2	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:21348			Serial	968
Permanent link to this record



	Author	Schryvers, D.; Yandouzi, M.; Holland-Moritz, D.; Toth, L.
	Title	HRTEM study of austenite and martensite in splat-cooled and nanoscale thin film Ni-Al			Type	A1 Journal article
	Year	1997	Publication	Journal de physique: 4	Abbreviated Journal	J Phys Iv
	Volume	C5	Issue		Pages	203-208
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	000072520300033	Publication Date	2007-07-11
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	2	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:21350			Serial	1517
Permanent link to this record



	Author	Schryvers, D.; Boullay, P.; Kohn, R.; Ball, J.
	Title	Lattice deformations at martensite-martensite interfaces in Ni-Al			Type	A1 Journal article
	Year	2001	Publication	Journal de physique: 4	Abbreviated Journal	J Phys Iv
	Volume	11	Issue		Pages	23-30
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	000173253800005	Publication Date	2007-09-14
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	9	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:48385			Serial	1800
Permanent link to this record



	Author	Schryvers, D.
	Title	Martensitic and related transformations in Ni-Al alloys			Type	A1 Journal article
	Year	1995	Publication	Journal de physique: 4 T2 – IIIrd European Symposium on Martensitic Transformations (ESOMAT 94), SEP 14-16, 1994, BARCELONA, SPAIN	Abbreviated Journal	IIIrd European Symposium on Martensitic Transformations (ESOMAT 94), SEP 14-16, 1994, BARCELONA, SPA
	Volume	5	Issue	C2	Pages	225-234
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract	The present paper gives a review of results of recent studies investigating the fundamentals of the martensitic and related phase transformations in Ni-Al. For the former case, the emphasis will be on the microstructure of martensite plates. The latter include the metastable Ni2Al omega-like and stable Ni5Al3 bainitic phases. These phases will be discussed in view of their atomic structure, nucleation, growth and effect on the martensitic transformation. A separate chapter will deal with precursor effects.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	A1995QX40700036	Publication Date	2007-07-12
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	21	Open Access
	Notes				Approved	no
	Call Number	UA @ lucian @ c:irua:104437			Serial	1947
Permanent link to this record



	Author	Somsen, C.; Kästner, J.; Wassermann, E.F.; Boullay, P.; Schryvers, D.
	Title	Microstructure of quenched Ni-rich Ni-Ti shape memory alloys			Type	A1 Journal article
	Year	2001	Publication	Journal de physique: 4 T2 – 8th European Symposium on Martensitic Transformations (ESOMAT2000), SEP 04-08, 2000, COMO, ITALY	Abbreviated Journal	J Phys Iv
	Volume	11	Issue	Pr8	Pages	445-449
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract	Microstructural investigations with transmission electron microscopy were carried out on quenched Ni-Ti alloys with 52 and 54.5 at% Ni. For the Ni52Ti48 specimen long time exposed diffraction patterns of a single grain show besides the expected reflections of the B2-phase, two sets of extra reflections in different zones. The first type of spots is explained by lattice displacement waves, which are regarded as precursors of the martensitic Ni-Ti phases, B 19' and R-phase, respectively. The second set of reflection with more diffuse intensity than the other reflections is related to Ni4Ti3 precipitates in an early state of formation. For the Ni-richer Ni54.5Ti45.5 alloy only Ni4Ti3 precipitates in an early state of formation are found but no precursors of the B 19'- and R-phase.
	Address
	Corporate Author				Thesis
	Publisher	E d p sciences	Place of Publication	Les ulis cedexa	Editor
	Language		Wos	000173253800075	Publication Date	2007-09-14
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	2	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:104187			Serial	2073
Permanent link to this record



	Author	Potapov, P.; Ochin, P.; Pons, J.; Schryvers, D.
	Title	Nanoscale inhomogeneities in melt-spun Ni-Al			Type	A1 Journal article
	Year	2001	Publication	Journal de physique: 4	Abbreviated Journal	J Phys Iv
	Volume	11	Issue		Pages	439-444
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	000173253800074	Publication Date	2007-09-14
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	1	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:48387			Serial	2264
Permanent link to this record



	Author	Schryvers, D.; Toth, L.; Ma, Y.; Tanner, L.
	Title	Nucleation and growth of the Ni₅Al₃ phase in Ni-Al austenite and martensite			Type	A1 Journal article
	Year	1995	Publication	Journal de physique: 4 T2 – IIIrd European Symposium on Martensitic Transformations (ESOMAT 94), SEP 14-16, 1994, BARCELONA, SPAIN	Abbreviated Journal	IIIrd European Symposium on Martensitic Transformations (ESOMAT 94), SEP 14-16, 1994, BARCELONA, SPA
	Volume	5	Issue	C2	Pages	299-304
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract	The nucleation and growth mechanisms of Ni5Al3 precipitates and microtwinned plates in B2 austenite and 2M (3R) martensite phases are described on the basis of conventional and high resolution electron microscopy. In the Ni62.5Al37.5 B2 austenite matrix short annealings at 550 degrees C introduce three-pointed star shaped precipitates consisting of twin related parts of different variants of the Ni5Al3 structure. Longer annealings result in plates growing separately from these wings and developing microtwinning in order to accommodate stress built-up at the interfaces with the surrounding matrix. Annealing of Ni65Al35 2M martensite plates induces simple reordering into the Ni5Al3 phase, increasing the fct c/a ratio by about 1%. As a result stracking faults are introduced in the smallest twin variants.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	A1995QX40700047	Publication Date	2007-07-12
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	3	Open Access
	Notes				Approved	no
	Call Number	UA @ lucian @ c:irua:104438			Serial	2387
Permanent link to this record



	Author	Somsen, C.; Wassermann, E.F.; Kästner, J.; Schryvers, D.
	Title	Precursor phenomena in a quenched and aged Ni₅₂Ti₄₈ shape memory alloy			Type	A1 Journal article
	Year	2003	Publication	Journal de physique: 4 T2 – 10th International Conference on Martensitic Transformations, JUN 10-14, 2002, ESPOO, FINLAND	Abbreviated Journal	J Phys Iv
	Volume	112	Issue	Part 2	Pages	777-780
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract	We measured the electrical resistivity R(T) and specific heat C-p(T) between room temperature (RT) and 4.2 K as well as the microstructure by transmission electron microscopy (TEM) of a Ni-52 Ti-48 SMA quenched from 1000degreesC (B2-Phase range) to RT and then annealed for 1h at T=380degreesC, 550degreesC and 650degreesC. In the “as quenched” and the “650degreesC annealed” state no martensitic transformations (MT's) occur. The diffraction patterns show faint reflections originating from coherent Ni4Ti3 precipitates in an early state of formation. Additional reflections of the type 1/2 <110>, 1/2 <111> and 1/3 <110> result from various lattice displacement waves, which are precursors of the MT's to the B19' and R-phase, respectively. Indeed, high resolution TEM micrographs of the [001] zone of the “as quenched” sample reveal transverse 1/2 <110> <110> lattice displacement waves, precursors of the B19' martensite. The coherent Ni4Ti3 precipitates, homogeneously distributed on a small length scale, binder the MT's in the “as quenched” and the “650degreesC annealed” state, and thus only the precursors appear. When annealed at T=380degreesC, however, coherent Ni4Ti3 precipitates with a length of 10nm are clearly visible in TEM. These precipitates trigger the NIT from the B2 to the R-phase on cooling, as evidenced also by anomalies in R(T) and C-p(T). Annealing at T-550degreesC leads to the well known two step MT's from the B2 to the R-phase and then into the B19'-phase. These martensitic transitions are clearly seen as additional peaks in the specific heat and anomalies in the resistance, while the “as quenched” and 650degreesC annealed samples show weak features in R(T) and C-p(T).
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	000186503400036	Publication Date	2008-08-19
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	2	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:102791			Serial	2694
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	Author	Schryvers, D.
	Title	SAED and HREM results suggest a NiTi B19' based superstructure for CuZr martensite			Type	A1 Journal article
	Year	1995	Publication	Journal de physique: colloques, suppléments	Abbreviated Journal
	Volume	5	Issue	8	Pages	1047-1052
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	A1995TX21300085	Publication Date	2014-07-16
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	2	Open Access
	Notes				Approved	MATERIALS SCIENCE, MULTIDISCIPLINARY 96/271 Q2 #
	Call Number	UA @ lucian @ c:irua:13168			Serial	2939
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	Author	Schryvers, D.; Potapov, P.; Ledda, A.; Shelyakov, A.
	Title	Structural characterisation of melt-spun Ti-Ni-Cu-ribbons			Type	A1 Journal article
	Year	2001	Publication	Journal de physique: 4	Abbreviated Journal	J Phys Iv
	Volume	11	Issue		Pages	363-368
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	000173253800062	Publication Date	2007-09-14
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	1	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:48386			Serial	3214
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	Author	Schryvers, D.; Toth, L.; van Humbeeck, J.; Beyer, J.
	Title	Ni₂Al versus Ni₅Al₃ ordering in Ni₆₅Al₃₅ austenite and martensite			Type	A1 Journal article
	Year	1995	Publication	Journal de physique: colloques, suppléments	Abbreviated Journal
	Volume	5	Issue	8	Pages	1029-1034
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	A1995TX21300082	Publication Date	2014-07-16
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	12	Open Access
	Notes				Approved	PHYSICS, APPLIED 47/145 Q2 #
	Call Number	UA @ lucian @ c:irua:13167			Serial	3548
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	Author	Ball, J.M.; Schryvers, D.
	Title	The analysis of macrotwins in NiAl martensite			Type	A1 Journal article
	Year	2003	Publication	Journal de physique: 4 T2 – 10th International Conference on Martensitic Transformations, JUN 10-14, 2002, ESPOO, FINLAND	Abbreviated Journal	J Phys Iv
	Volume	112	Issue	Part 1	Pages	159-162
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract	We present a theoretical study of macrotwins arising in cubic to tetragonal martensitic transformations. The results help to explain some features of such macrotwins observed in Ni65Al35.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Les Ulis	Editor
	Language		Wos	000186503200024	Publication Date	2008-08-19
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1155-4339;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor		Times cited	11	Open Access
	Notes				Approved	Most recent IF: NA
	Call Number	UA @ lucian @ c:irua:103275			Serial	3569
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	Author	Grieten, E.; Schalm, O.; Tack, P.; Bauters, S.; Storme, P.; Gauquelin, N.; Caen, J.; Patelli, A.; Vincze, L.; Schryvers, D.
	Title	Reclaiming the image of daguerreotypes: Characterization of the corroded surface before and after atmospheric plasma treatment			Type	A1 Journal article
	Year	2017	Publication	Journal of cultural heritage	Abbreviated Journal	J Cult Herit
	Volume		Issue		Pages
	Keywords	A1 Journal article; Art; History; Electron microscopy for materials research (EMAT); Antwerp Cultural Heritage Sciences (ARCHES)
	Abstract	Technological developments such as atmospheric plasma jets for industry can be adapted for the conservation of cultural heritage. This application might offer a potential method for the removal or transformation of the corrosion on historical photographs. We focus on daguerreotypes and present an in-depth study of the induced changes by a multi-analytical approach using optical microscopy, scanning electron microscopy, different types of transmission electron microscopy and X-ray absorption fine structure. The H2-He afterglow removes S from an Ag2S or Cu2S layer which results in a nano-layer of metallic Ag or Cu on top of the deteriorated microstructure. In case the corrosion layer is composed of Cu-Ag-S compounds, our proposed setup can be used to partially remove the corrosion. These alterations of the corrosion results in an improvement in the readability of the photographic image.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Wos	000414230700007	Publication Date	2017-06-16
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1296-2074	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	1.838	Times cited	9	Open Access	Not_Open_Access
	Notes	The authors thank Herman Maes for the daguerreotypes used in this study. The authors also acknowledge the opportunity to perform XAFS measurements at the DUBBLE beamline of the ESRF storage ring under the approval of the advisory Committee (beam time nr. 26-01-990) and acknowledge the DUBBLE beamline staff for their support. They are also grateful for the financial support by the EU-FP7 grant PANNA no. 282998 and the STIMPRO project FFB150215 of the University of Antwerp. Pieter Tack is funded by a Ph.D. grant of the Agency for Innovation by Science and Technology (IWT).			Approved	Most recent IF: 1.838
	Call Number	EMAT @ emat @c:irua:144430			Serial	4625
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	Author	Santamarta, R.; Schryvers, D.
	Title	Microstructure of a partially crystallised Ti50Ni25Cu25 melt-spun ribbon			Type	A1 Journal article
	Year	2003	Publication	Materials transactions	Abbreviated Journal	Mater Trans
	Volume	44	Issue	9	Pages	1760-1767
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Wos	000186013100023	Publication Date	2005-10-17
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1345-9678;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	0.713	Times cited	23	Open Access
	Notes				Approved	Most recent IF: 0.713; 2003 IF: 1.159
	Call Number	UA @ lucian @ c:irua:48773			Serial	2064
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	Author	Schryvers, D.; Potapov, P.L.
	Title	R-phase structure refinement using electron diffraction data			Type	A1 Journal article
	Year	2002	Publication	Materials transactions	Abbreviated Journal	Mater Trans
	Volume	43	Issue	5	Pages	774-779
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Wos	000176212100002	Publication Date	2005-10-17
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1345-9678;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	0.713	Times cited	25	Open Access
	Notes				Approved	Most recent IF: 0.713; 2002 IF: 0.841
	Call Number	UA @ lucian @ c:irua:48772			Serial	2805
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	Author	Zelaya, E.; Schryvers, D.
	Title	FCC surface precipitation in Cu-Zn-Al after low angle GA⁺ ion irradiation			Type	A1 Journal article
	Year	2010	Publication	Materials transactions	Abbreviated Journal	Mater Trans
	Volume	51	Issue	12	Pages	2177-2180
	Keywords	A1 Journal article; Electron microscopy for materials research (EMAT)
	Abstract	The precipitation of a disordered FCC surface structure after low angle Ga+ ion irradiation during focused ion beam thinning of a B2 Cu-Zn-Al alloy with e/a=1.48 is reported. Conventional as well as high-resolution transmission electron microscopy techniques reveal FCC layers on both sides of the thinned sample. The occurrence of this structure is attributed to disordering and dezincification of the alloy resulting from the sputtering process during the irradiation. Changes in crystallographic sample orientation with respect to the incoming ion beam do not have a significant effect on the appearance of the FCC surface structure.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	Sendai	Editor
	Language		Wos	000287390300009	Publication Date	2010-11-25
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1347-5320;1345-9678;	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	0.713	Times cited	2	Open Access
	Notes	Bof; Fwo			Approved	Most recent IF: 0.713; 2010 IF: 0.787
	Call Number	UA @ lucian @ c:irua:85997			Serial	1175
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	Author	Amin-Ahmadi, B.; Connétable, D.; Fivel, M.; Tanguy, D.; Delmelle, R.; Turner, S.; Malet, L.; Godet, S.; Pardoen, T.; Proost, J.; Schryvers, D.; Idrissi, H.
	Title	Dislocation/hydrogen interaction mechanisms in hydrided nanocrystalline palladium films			Type	A1 Journal article
	Year	2016	Publication	Acta materialia	Abbreviated Journal	Acta Mater
	Volume	111	Issue	111	Pages	253-261
	Keywords	A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT)
	Abstract	The nanoscale plasticity mechanisms activated during hydriding cycles in sputtered nanocrystalline Pd films have been investigated ex-situ using advanced transmission electron microscopy techniques. The internal stress developing within the films during hydriding has been monitored in-situ. Results showed that in Pd films hydrided to β-phase, local plasticity was mainly controlled by dislocation activity in spite of the small grain size. Changes of the grain size distribution and the crystallographic texture have not been observed. In contrast, significant microstructural changes were not observed in Pd films hydrided to α-phase. Moreover, the effect of hydrogen loading on the nature and density of dislocations has been investigated using aberration-corrected TEM. Surprisingly, a high density of shear type stacking faults has been observed after dehydriding, indicating a significant effect of hydrogen on the nucleation energy barriers of Shockley partial dislocations. Ab-initio calculations of the effect of hydrogen on the intrinsic stable and unstable stacking fault energies of palladium confirm the experimental observations.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Wos	000375812100027	Publication Date	2016-04-06
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1359-6454	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	5.301	Times cited	14	Open Access
	Notes	This work was carried out in the framework of the IAP program of the Belgian State Federal Office for Scientific, Technical and Cultural Affairs, under Contract No. P7/21. The support of the FWO research project G012012N “Understanding nanocrystalline mechanical behaviour from structural investigations” for B. Amin-Ahmadi is also gratefully acknowledged. This work was granted access to the HPC resources of CALMIP (CICT Toulouse, France) under the allocations 2014-p0912 and 2014-p0749.			Approved	Most recent IF: 5.301
	Call Number	c:irua:132678			Serial	4054
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	Author	van der Rest, A.; Idrissi, H.; Henry, F.; Favache, A.; Schryvers, D.; Proost, J.; Raskin, J.-P.; Van Overmeere, Q.; Pardoen, T.
	Title	Mechanical behavior of ultrathin sputter deposited porous amorphous Al2O3 films			Type	A1 Journal article
	Year	2017	Publication	Acta materialia	Abbreviated Journal	Acta Mater
	Volume	125	Issue	125	Pages	27-37
	Keywords	A1 Journal article; Engineering sciences. Technology; Electron microscopy for materials research (EMAT)
	Abstract	The determination of the mechanical properties of porous amorphous Al2O3 thin films is essential to address reliability issues in wear-resistant, optical and electronic coating applications. Testing the mechanical properties of Al2O3 films thinner than 200 nm is challenging, and the link between the mechanical behavior and the microstructure of such films is largely unknown. Herein, we report on the elastic and viscoplastic mechanical properties of amorphous Al2O3 thin films synthesized by reactive magnetron sputtering using a combination of internal stress, nanoindentation, and on-chip uniaxial tensile testing, together with mechanical homogenization models to separate the effect of porosity from intrinsic variations of the response of the sound material. The porosity is made of voids with 2e30 nm diameter. The Young's modulus and hardness of the films decrease by a factor of two when the deposition pressure increases from 1.2 to 8 mTorr. The contribution of porosity was found to be small, and a change in the atomic structure of the amorphous Al2O3 matrix is hypothesized to be the main contributing factor. The activation volume associated to the viscoplastic deformation mechanism is around 100 Å3. Differences in the atomic structure of the films could not be revealed by electron diffraction, pointing to a minute effect of atomic arrangement on the elastic properties.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Wos	000394201500003	Publication Date	2016-12-02
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1359-6454	ISBN		Additional Links	UA library record; WoS full record; WoS citing articles
	Impact Factor	5.301	Times cited	5	Open Access	OpenAccess
	Notes	This work has been funded by the Belgian Science Policy through the IAP 7/21 project. The support of the ‘Fonds Belge pour la Recherche dans l’Industrie et l’Agriculture (FRIA)’ for A.v.d.R. is also gratefully acknowledged, as well as the support of FNRS through the grant PDR T.0122.13 “Mecano”.			Approved	Most recent IF: 5.301
	Call Number	EMAT @ emat @ c:irua:138990			Serial	4330
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