Micro-Mechanisms of Shear Deformation Localization of Ti6Al4V Alloy under Shear-Compressive Loading Conditions
文献类型：期刊论文
| 作者 | Li LT; Jin T; Shuang F(双飞); Li ZQ ; Wang ZH; Ma W(马维)
|
| 刊名 | MATERIALS
 |
| 出版日期 | 2020-12-01 |
| 卷号 | 13期号:24页码:5646 |
| 关键词 | titanium alloy deformation localization microcosmic mechanism shear-compression specimen dynamic combined loading |
| DOI | 10.3390/ma13245646 |
| 英文摘要 | Titanium Ti6Al4V alloy is a superior material that has extremely high strength, hardness and good anti-corrosion resistance. Dynamic shear-compression experiments were carried out on the alloy to investigate the micro-mechanisms of adiabatic shear banding (ASB) formation. The split Hopkinson pressure bar (SHPB) setup were used for the tests at high strain rates. It was found that the shear deformation localization (SDL) was considerably affected by the complex loading conditions. The micro-mechanisms for the ASB formation relied on different shear compressive proportion of loadings (SCLPs). Scanning electron microscope (SEM) observations showed that the ASB width was related with the SCLP and the fracture failure of alloy was induced by the nucleation and growth of microvoids. In transmission electron microscope (TEM) analysis, the microstructural changes of material within the ASB were characterized by dynamic recrystallization (DRX) and twining grain formation, dislocation migration, and stacking and grain refining processes. The results in this article demonstrates a complex image of microstructural evolution of alloy in the shear localization process. |
| 分类号 | 二类 |
| WOS关键词 | PURE TI ; MICROSTRUCTURAL EVOLUTION ; MECHANICAL-PROPERTIES ; INSTABILITY ; TI-6AL-4V ; BEHAVIOR |
| 语种 | 英语 |
| WOS记录号 | WOS:000602851800001 |
| 资助机构 | National Nature Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [11572337, 11772346] |
| 其他责任者 | Wang, ZH |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/85787]  |
| 专题 | 力学研究所_流固耦合系统力学重点实验室(2012-) |
| 作者单位 | 1.{Shuang, Fei} Univ Florida, Dept Mech & Aerosp Engn, Gainesville, FL 32611 USA 2.{Shuang, Fei、Ma, Wei} Chinese Acad Sci, Inst Mech, Beijing 100190, Peoples R China 3.{Li, Lintao、Jin, Tao、Li, Zhiqiang、Wang, Zhihua、Ma, Wei} Taiyuan Univ Technol, Inst Applicat Mech, Taiyuan 030024, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li LT,Jin T,Shuang F,et al. Micro-Mechanisms of Shear Deformation Localization of Ti6Al4V Alloy under Shear-Compressive Loading Conditions[J]. MATERIALS,2020,13(24):5646. |
| APA | Li LT,Jin T,双飞,Li ZQ,Wang ZH,&马维.(2020).Micro-Mechanisms of Shear Deformation Localization of Ti6Al4V Alloy under Shear-Compressive Loading Conditions.MATERIALS,13(24),5646. |
| MLA | Li LT,et al."Micro-Mechanisms of Shear Deformation Localization of Ti6Al4V Alloy under Shear-Compressive Loading Conditions".MATERIALS 13.24(2020):5646. |
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。