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Author |
Idrissi, H.; Cordier, P.; Jacob, D.; Walte, N. |
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Title |
Dislocations and plasticity of experimentally deformed coesite |
Type |
A1 Journal article |
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Year  |
2008 |
Publication |
European journal of mineralogy |
Abbreviated Journal |
Eur J Mineral |
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Volume |
20 |
Issue |
4 |
Pages |
665-671 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
Dislocation microstructures have been characterized by transmission electron microscopy in polycrystalline coesite deformed experimentally at 4 GPa, 1200 degrees C. Burgers vectors have been determined by large-angle convergent-beam electron diffraction. Sample orientation was assisted by precession electron diffraction to overcome difficulties arising from pseudo-hexagonal symmetry. The results are explained by using a pseudo-hexagonal setting. We found that most dislocations observed are of the 1/3 < 2 (1) over bar(1) over bar0 > type. No clear glide plane was identified, suggesting that climb is activated under these conditions. This conclusion is supported by the observation of numerous subgrain boundaries. We have also observed some [00011 dislocations. Finally, the C12/cl space group to which coesite belongs being centred, an additional slip system is observed: 1/6[(1) over bar2 (1) over bar3](01 (1) over bar1) (1/2[(1) over bar 10](110) in the monoclinic setting). |
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Publisher |
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Place of Publication |
Stuttgart |
Editor |
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Wos |
000262891900021 |
Publication Date |
2008-08-29 |
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Series Volume |
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Edition |
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ISSN |
0935-1221; |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.362 |
Times cited |
5 |
Open Access |
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Notes |
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Approved |
Most recent IF: 1.362; 2008 IF: 1.220 |
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Call Number |
UA @ lucian @ c:irua:94604 |
Serial |
733 |
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Author |
Devouard, B.; Baronnet, A.; Van Tendeloo, G.; Amelinckx, S. |
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Title |
First evidence of synthetic polygonal serpentines |
Type |
A1 Journal article |
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Year |
1997 |
Publication |
European journal of mineralogy |
Abbreviated Journal |
Eur J Mineral |
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Volume |
9 |
Issue |
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Pages |
539-546 |
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Keywords |
A1 Journal article; Electron microscopy for materials research (EMAT) |
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Abstract |
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Address |
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Corporate Author |
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Thesis |
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Publisher |
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Place of Publication |
Stuttgart |
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Wos |
A1997XB31400008 |
Publication Date |
0000-00-00 |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0935-1221 |
ISBN |
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Additional Links |
UA library record; WoS full record; WoS citing articles |
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Impact Factor |
1.362 |
Times cited |
15 |
Open Access |
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Notes |
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Approved |
Most recent IF: 1.362; 1997 IF: 1.099 |
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Call Number |
UA @ lucian @ c:irua:21431 |
Serial |
1198 |
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