Cyclic saturation dislocation pattern observation in the vicinity of grain boundaries by electron channeling contrast technique
文献类型：期刊论文
| 作者 | Z. F. Zhang ; X. W. Li ; H. H. Su ; Z. G. Wang |
| 刊名 | Journal of Materials Science & Technology
 |
| 出版日期 | 1998 |
| 卷号 | 14期号:3页码:211-214 |
| 关键词 | fatigued copper polycrystals stress-strain curves deformation-behavior free zones crystals metals |
| ISSN号 | 1005-0302 |
| 中文摘要 | The cyclic saturation dislocation patterns within grains and in the vicinity of low-angle grain boundaries in fatigued copper crystal were successfully observed by electron channeling contrast technique in SEM. The results show that the dislocation patterns within grains consisted of typical two-phase structure, i.e. persistent slip bands (PSB) and veins. With increasing plastic strain amplitude (gamma(pl) greater than or equal to 1.7 x 10(-3)), large amount of PSBs and regular dislocation walls were observed. The dislocation walls and PSBs could cross through the low-angle grain boundaries continuously except that the dislocation-free zone (DFZs) appeared at some local regions. Combining with the cyclic stress-strain response and dislocation patterns, the effect of low-angle grain boundaries on cyclic deformation behavior was discussed. |
| 原文出处 | |
| 公开日期 | 2012-04-14 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/37886]  |
| 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 | Z. F. Zhang,X. W. Li,H. H. Su,et al. Cyclic saturation dislocation pattern observation in the vicinity of grain boundaries by electron channeling contrast technique[J]. Journal of Materials Science & Technology,1998,14(3):211-214. |
| APA | Z. F. Zhang,X. W. Li,H. H. Su,&Z. G. Wang.(1998).Cyclic saturation dislocation pattern observation in the vicinity of grain boundaries by electron channeling contrast technique.Journal of Materials Science & Technology,14(3),211-214. |
| MLA | Z. F. Zhang,et al."Cyclic saturation dislocation pattern observation in the vicinity of grain boundaries by electron channeling contrast technique".Journal of Materials Science & Technology 14.3(1998):211-214. |
入库方式： OAI收割
来源：金属研究所
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