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Tanner, L.E.; Shapiro, S.M.; Krumhansl, J.A; Schryvers, D.; Noda, Y.; Yamada, Y.; Barsch, G.R.; Gooding, R.; Moss, S.C. |
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Title |
Firsto order phase transformation in the Ni-Al system |
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A3 Journal Article |
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Year |
1992 |
Publication |
Metallurgy and Ceramics |
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A3 Journal Article; Electron Microscopy for Materials Science (EMAT) ; |
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Abstract |
First-order displacive phase transformations in alloys and compounds are of high technological importance. We have studied this class of phase transformation in the high-temperature-stable Ni-Al f32(B2) phase as a function of composition, temperature, and stress using transmission electron microscopy and neutron scattering. The results show in detail the direct relationship between the unusually low energies of the transformation-related phonon modes and the development of pre-transformation microstructures (strain-embryos, etc.) via anharmonic coupling processes that ultimately lead to the nucleation and growth of the low-temperature martensitic phases. With these results, it is now possible to develop effective models for nonclassical heterogeneous nucleation of martensite transformations in bulk materials. This tills a critical gap and sets the stage for us to proceed in developing a more global understanding of condensed matter transformations including the coupling of displacive with replacive mechanisms. |
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0000-00-00 |
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no |
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Call Number |
EMAT @ emat @ |
Serial |
5053 |
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Author |
Shapiro, S.M.; Yang, B.X.; Noda, Y.; Tanner, L.E.; Schryvers, D. |
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Title |
Neutron-scattering and electron microscopy studies of premartensitic phenomena in NixAl100-x alloys |
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A1 Journal article |
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Year |
1991 |
Publication |
Physical review : B : condensed matter and materials physics |
Abbreviated Journal |
Phys Rev B |
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44 |
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9301-9313 |
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A1 Journal article; Electron microscopy for materials research (EMAT) |
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Lancaster, Pa |
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A1991GP26700019 |
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0000-00-00 |
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1098-0121; 0163-1829 |
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UA library record; WoS full record; WoS citing articles |
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Impact Factor |
3.736 |
Times cited |
123 |
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MATERIALS SCIENCE, MULTIDISCIPLINARY 96/271 Q2 # |
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Call Number |
UA @ lucian @ c:irua:48351 |
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2299 |
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Author |
Tanner, L.E.; Shapiro, S.M.; Schryvers, D.; Noda, Y. |
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Title |
Review of phonon behaviour and microstructural development leading to martensitic transformations in NixAl100-x alloys |
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A3 Journal article |
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Year |
1992 |
Publication |
Shape memory materials and phenomena: fundamental aspects and applications |
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246 |
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265-276 |
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A3 Journal article; Electron microscopy for materials research (EMAT) |
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A1992BW94E00038 |
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0000-00-00 |
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UA library record; WoS full record; WoS citing articles |
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4 |
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MATERIALS SCIENCE, MULTIDISCIPLINARY 96/271 Q2 # |
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UA @ lucian @ c:irua:4368 |
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2904 |
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