Effects of pressure on the generalized stacking fault energy and twinning propensity of face-centered cubic metals
文献类型：期刊论文
| 作者 | Yan, J. X.1,2; Zhang, Z. J.1; Yu, H.1,3,4; Li, K. Q.1,2; Hu, Q. M.1,2; Yang, J. B.1,2; Zhang, Z. F.1,2 |
| 刊名 | JOURNAL OF ALLOYS AND COMPOUNDS
 |
| 出版日期 | 2021-06-15 |
| 卷号 | 866页码:12 |
| ISSN号 | 0925-8388 |
| 关键词 | Molecular dynamics simulations First-principles calculations High-pressure High entropy alloy Twinning Phase transitions |
| DOI | 10.1016/j.jallcom.2021.158869 |
| 通讯作者 | Hu, Q. M.(qmhu@imr.ac.cn) ; Yang, J. B.(jbyang@imr.ac.cn) ; Zhang, Z. F.(zhfzhang@imr.ac.cn) |
| 英文摘要 | The effects of pressure on the generalized stacking fault energies (GSFE), core structure of dissociated dislocation, twinning propensity and phase stability are comprehensively investigated by molecular statics simulations and first principles calculations in three typical face-centered cubic (FCC) metals, Cu, Ag and the equiatomic CoCrFeMnNi high-entropy alloy (HEA). It demonstrates that the pressure has an important impact on the morphology of GSFEs in Cu, Ag and the CoCrFeMnNi HEA. In contrast to the slight improvement of twinning propensity in Cu, a substantial enhancement of twinning propensity is caused by high pressures in Ag and the CoCrFeMnNi HEA. The first principles calculation indicates that the dependence of stacking fault energy and the relative stability of FCC and HCP phases on the pressure dictates the sensitivity of twinning propensity to the pressure in FCC metals. The results not only shed new light on the pressure effects on the twinning propensity, but also have an important implication on the manipulation of deformation mechanisms and mechanical properties in FCC metals. (C) 2021 Elsevier B.V. All rights reserved. |
| 资助项目 | National Natural Science Foundation of China (NSFC)[51571198] ; National Natural Science Foundation of China (NSFC)[51771206] ; National Natural Science Foundation of China (NSFC)[52071316] ; LiaoNing Revitalization Talents Program[XLYC1808027] |
| WOS研究方向 | Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCIENCE SA |
| WOS记录号 | WOS:000630241800027 |
| 资助机构 | National Natural Science Foundation of China (NSFC) ; LiaoNing Revitalization Talents Program |
| 源URL | [http://ir.imr.ac.cn/handle/321006/161493]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Hu, Q. M.; Yang, J. B.; Zhang, Z. F. |
| 作者单位 | 1.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 3.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China 4.Shenyang Univ Technol, Sch Informat Sci & Engn, Shenyang 111003, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yan, J. X.,Zhang, Z. J.,Yu, H.,et al. Effects of pressure on the generalized stacking fault energy and twinning propensity of face-centered cubic metals[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2021,866:12. |
| APA | Yan, J. X..,Zhang, Z. J..,Yu, H..,Li, K. Q..,Hu, Q. M..,...&Zhang, Z. F..(2021).Effects of pressure on the generalized stacking fault energy and twinning propensity of face-centered cubic metals.JOURNAL OF ALLOYS AND COMPOUNDS,866,12. |
| MLA | Yan, J. X.,et al."Effects of pressure on the generalized stacking fault energy and twinning propensity of face-centered cubic metals".JOURNAL OF ALLOYS AND COMPOUNDS 866(2021):12. |
入库方式： OAI收割
来源：金属研究所
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