Localized solid-state amorphization at grain boundaries in a nanocrystalline Al solid solution subjected to surface mechanical attrition
文献类型:期刊论文
作者 | X. Wu ; N. Tao ; Y. Hong ; J. Lu ; K. Lu |
刊名 | Journal of Physics D-Applied Physics
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出版日期 | 2005 |
卷号 | 38期号:22页码:4140-4143 |
关键词 | deformation-induced amorphization metallic materials alloys disorder phase layer |
ISSN号 | 0022-3727 |
中文摘要 | Using high-resolution electron microscopy, localized solid-state amorphization (SSA) was observed in a nanocrystalline (NC) Al solid solution (weight per cent 4.2 Cu, 0.3 Mn, the rest being Al) subjected to a surface mechanical attrition treatment. It was found that the deformation-induced SSA may occur at the grain boundary (GB) where either the high density dislocations or dislocation complexes are present. It is suggested that lattice instability due to elastic distortion within the dislocation core region plays a significant role in the initiation of the localized SSA at defective sites. Meanwhile, the GB of severely deformed NC grains exhibits a continuously varying atomic structure in such a way that while most of the GB is ordered but reveals corrugated configurations, localized amorphization may occur along the same GB. |
原文出处 | |
公开日期 | 2012-04-14 |
源URL | [http://ir.imr.ac.cn/handle/321006/35136] ![]() |
专题 | 金属研究所_中国科学院金属研究所 |
推荐引用方式 GB/T 7714 | X. Wu,N. Tao,Y. Hong,et al. Localized solid-state amorphization at grain boundaries in a nanocrystalline Al solid solution subjected to surface mechanical attrition[J]. Journal of Physics D-Applied Physics,2005,38(22):4140-4143. |
APA | X. Wu,N. Tao,Y. Hong,J. Lu,&K. Lu.(2005).Localized solid-state amorphization at grain boundaries in a nanocrystalline Al solid solution subjected to surface mechanical attrition.Journal of Physics D-Applied Physics,38(22),4140-4143. |
MLA | X. Wu,et al."Localized solid-state amorphization at grain boundaries in a nanocrystalline Al solid solution subjected to surface mechanical attrition".Journal of Physics D-Applied Physics 38.22(2005):4140-4143. |
入库方式: OAI收割
来源:金属研究所
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