On post-instability processes in adiabatic shear in hot rolled steel
文献类型：期刊论文
| 作者 | Xing D; Bai YL(白以龙) ; Zheng ZM(郑哲敏); Huang XL
|
| 刊名 | Journal of The Mechanics and Physics of Solids
 |
| 出版日期 | 1991 |
| 卷号 | 39期号:8页码:1017-& |
| 关键词 | High-Strain Rates Band Formation Localization Temperature Initiation Growth |
| ISSN号 | 0022-5096 |
| 中文摘要 | EXPERIMENTS carried out using a split Hopkinson torsional bar have shown that only one shear band develops in specimens of hot rolled steel which break during testing. We observed, however, that in specimens which were not deformed to failure, several fine shear bands appeared. We believe that these formed during the loading cycle before the appearance of the final shear band and were not due to the effect of unloading. So we developed a numerical model to study the evolution of shear banding from several finite amplitude disturbances (FADs) in both temperature and strain rate. This numerical model reveals the detailed processes by which the FADs evolve into a fully developed shear band and suggests that beyond instability, the so-called shear banding process consists of two stages: inhomogeneous shearing and true shear-banding. The latter is characterized by the collapse of the stress and an abrupt increase of the local shear strain rate. |
| 类目[WOS] | Materials Science, Multidisciplinary ; Mechanics ; Physics, Condensed Matter |
| 研究领域[WOS] | Materials Science ; Mechanics ; Physics |
| 关键词[WOS] | HIGH-STRAIN RATES ; BAND FORMATION ; LOCALIZATION ; TEMPERATURE ; INITIATION ; GROWTH |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:A1991GR87100002 |
| 公开日期 | 2009-08-03 ; 2010-08-20 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/39514]  |
| 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 | Xing D,Bai YL,Zheng ZM,et al. On post-instability processes in adiabatic shear in hot rolled steel[J]. Journal of The Mechanics and Physics of Solids,1991,39(8):1017-&. |
| APA | Xing D,白以龙,郑哲敏,&Huang XL.(1991).On post-instability processes in adiabatic shear in hot rolled steel.Journal of The Mechanics and Physics of Solids,39(8),1017-&. |
| MLA | Xing D,et al."On post-instability processes in adiabatic shear in hot rolled steel".Journal of The Mechanics and Physics of Solids 39.8(1991):1017-&. |
入库方式： OAI收割
来源：力学研究所
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