Excellent dynamic properties and corresponding deformation mechanisms in a microband-induced plasticity steel with dual-heterogeneous structure
文献类型：期刊论文
| 作者 | Zhang SD(张胜德) ; Wang, Wei; Yang MX(杨沐鑫); Wu XL(武晓雷); Yuan FP(袁福平)
|
| 刊名 | JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
 |
| 出版日期 | 2023-11-01 |
| 卷号 | 27页码:5350-5359 |
| ISSN号 | 2238-7854 |
| 关键词 | Microband-induced plasticity Dynamic properties Dual-heterogeneous structures Strain hardening Dynamic grain refinement Strain rate effect |
| DOI | 10.1016/j.jmrt.2023.11.007 |
| 通讯作者 | Wang, Wei(wangwei2@imech.ac.cn) ; Yuan, Fuping(fpyuan@lnm.imech.ac.cn) |
| 英文摘要 | A dual-heterogeneous structure with dual phases and heterogeneous grains was designed in a high Mn microband-induced-plasticity (MBIP) steel. The heterogeneous structured sample exhibits similar dynamic shear yield strength, while exhibiting enhanced dynamic uniform shear strain and dynamic shear toughness by 36 % and 47 %, respectively, as compared to the homogeneous structured sample. The strain hardening mechanisms contributing to the excellent dynamic shear properties in the heterogeneous structured sample have been revealed. Firstly, the superior hetero-deformation-induced hardening capability of the heterogeneous structured sample arises from a higher density of geometrically necessary dislocations induced in each phase. Secondly, a pronounced strain rate effect is observed in body-centered cubic (BCC) grains and face-centered cubic (FCC) ultra-fine grains, leading to an elevated level of strain rate sensitivity. Finally, the MBIP effect is also observed in FCC coarse grains under dynamic loading. Moreover, the MBIP effect in FCC ultra-fine grains is more likely to occur at high strain rates due to the emergence of single-wall domain boundaries, which is not observed during quasi-static tensile testing. The present results provide new routes for designing impact-tolerant structures in advanced metals and alloys. |
| 分类号 | 一类 |
| WOS关键词 | STRAIN-GRADIENT PLASTICITY ; MICROSTRUCTURE EVOLUTION ; SHEAR PROPERTIES ; HIGH-STRENGTH ; BEHAVIOR ; GRAIN ; ALLOY ; STATE ; TWIN |
| 资助项目 | National Natural Science Foundation of China[11988102] ; [52192591] |
| WOS研究方向 | Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001115514500001 |
| 资助机构 | National Natural Science Foundation of China |
| 其他责任者 | Wang, Wei ; Yuan, Fuping |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/93533]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Zhang SD,Wang, Wei,Yang MX,et al. Excellent dynamic properties and corresponding deformation mechanisms in a microband-induced plasticity steel with dual-heterogeneous structure[J]. JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,2023,27:5350-5359. |
| APA | 张胜德,Wang, Wei,杨沐鑫,武晓雷,&袁福平.(2023).Excellent dynamic properties and corresponding deformation mechanisms in a microband-induced plasticity steel with dual-heterogeneous structure.JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T,27,5350-5359. |
| MLA | 张胜德,et al."Excellent dynamic properties and corresponding deformation mechanisms in a microband-induced plasticity steel with dual-heterogeneous structure".JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T 27(2023):5350-5359. |
入库方式： OAI收割
来源：力学研究所
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