High-temperature deformation-induced defects and Burgers vector determination of dislocations in the Al70Co15Ni15 decagonal quasicrystal☆
作者： R Wang , Y.F Yan , K.H Kuo
DOI: 10.1016/0022-3093(93)90323-P
关键词: Electron diffraction 、 Grain boundary 、 Condensed matter physics 、 Stacking fault 、 Dislocation 、 Burgers vector 、 Dislocation creep 、 Deformation (engineering) 、 Quasicrystal 、 Mineralogy 、 Materials science
摘要: Abstract By means of high-temperature deformation, stacking faults, dislocations and dislocation pairs have been induced abundantly in the Al70Co15Ni15 decagonal phase. Burgers vector b , their directions, senses magnitudes, were determined by large-angle convergent-beam electron diffraction (LACBED). Moreover, three kinds small-angle grain boundaries (SAGBs) observed an annealed phase: (1) a tilt boundary consisting edge wall; (2) twist parallel screw pairs; (3) mixed network.
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sci-hub.se 参考文章(6)
Zhouguang Wang, Renhui Wang, Wenfang Deng, Transmission-electron-microscopy studies of small dislocation loops in Al76Si4Mn20 icosahedral phase. Physical Review Letters. ,vol. 66, pp. 2124- 2127 ,(1991) , 10.1103/PHYSREVLETT.66.2124
Z. Zhang, M. Wollgarten, K. Urban, Analysis of dislocations in icosahedral Al–Cu–Fe alloy by transmission electron microscopy Philosophical Magazine Letters. ,vol. 61, pp. 125- 131 ,(1990) , 10.1080/09500839008206491
J. C. Jiang, N. Wang, K. K. Fung, K. H. Kuo, Direct observation of domains and discommensurations in Mn-Si-Al octagonal quasicrystal by transmission electron microscopy Physical Review Letters. ,vol. 67, pp. 1302- 1305 ,(1991) , 10.1103/PHYSREVLETT.67.1302
Mingxing Dai, Renhui Wang, Jianian Gui, Yanfa Yan, Transmission electron microscopic analysis of stacking faults in a decagonal Al-Co-Ni alloy Philosophical Magazine Letters. ,vol. 64, pp. 21- 27 ,(1991) , 10.1080/09500839108214662
F. Niu, R. Wang, G. Lu, Determination of the sign of a dislocation in a ZnTe crystal by convergent-beam electron diffraction Acta Crystallographica Section A. ,vol. 47, pp. 36- 39 ,(1991) , 10.1107/S0108767390009795
Z. Zhang, K. Urban, Transmission electron microscope observations of dislocations and stacking faults in a decagonal Al-Cu-Co alloy Philosophical Magazine Letters. ,vol. 60, pp. 97- 102 ,(1989) , 10.1080/09500838908206442