Partial-mediated slips in nanocrystalline Ni at high strain rate
文献类型：期刊论文
| 作者 | Wu XL(武晓雷) ; Qi Y; Zhu YT
|
| 刊名 | Applied Physics Letters
 |
| 出版日期 | 2007 |
| 卷号 | 90期号:22页码:221911 |
| 通讯作者邮箱 | xlwu@imech.ac.cn ; yue.qi@gm.com ; yzhu@lanl.gov |
| 关键词 | Stacking-Fault Energies Formation Mechanism Crack-Tip Deformation Metals Alloys Nickel Onset Al |
| ISSN号 | 0003-6951 |
| 通讯作者 | Wu, XL (reprint author), Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China. |
| 中文摘要 | Previous experiments on nanocrystalline Ni were conducted under quasistatic strain rates (similar to 3x10(-3)/s), which are much lower than that used in typical molecular dynamics simulations (>3x10(7)/s), thus making direct comparison of modeling and experiments very difficult. In this study, the split Hopkinson bar tests revealed that nanocrystalline Ni prefers twinning to extended partials, especially under higher strain rates (10(3)/s). These observations contradict some reported molecular dynamics simulation results, where only extended partials, but no twins, were observed. The accuracy of the generalized planar fault energies is only partially responsible, but cannot fully account for such a difference. (C) 2007 American Institute of Physics. |
| 类目[WOS] | Physics, Applied |
| 研究领域[WOS] | Physics |
| 关键词[WOS] | STACKING-FAULT ENERGIES ; FORMATION MECHANISM ; CRACK-TIP ; DEFORMATION ; METALS ; ALLOYS ; NICKEL ; ONSET ; AL |
| 收录类别 | SCI ; EI |
| 语种 | 英语 |
| WOS记录号 | WOS:000246909900028 |
| 公开日期 | 2009-08-03 ; 2010-06-13 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/33991]  |
| 专题 | 力学研究所_力学所知识产出(1956-2008) |
| 推荐引用方式 GB/T 7714 | Wu XL,Qi Y,Zhu YT. Partial-mediated slips in nanocrystalline Ni at high strain rate[J]. Applied Physics Letters,2007,90(22):221911. |
| APA | 武晓雷,Qi Y,&Zhu YT.(2007).Partial-mediated slips in nanocrystalline Ni at high strain rate.Applied Physics Letters,90(22),221911. |
| MLA | 武晓雷,et al."Partial-mediated slips in nanocrystalline Ni at high strain rate".Applied Physics Letters 90.22(2007):221911. |
入库方式： OAI收割
来源：力学研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。