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DOI | 10.1038/s41467-018-07061-9 |
Twinning in metastable high-entropy alloys | |
Huang, Shuo1; Huang, He1,2; Li, Wei1,3; Kim, Dongyoo1,4; Lu, Song1; Li, Xiaoqing1; Holmstrom, Erik5; Kwon, Se Kyun6; Vitos, Levente1,3,7 | |
2018-06-18 | |
发表期刊 | NATURE COMMUNICATIONS
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ISSN | 2041-1723 |
出版年 | 2018 |
卷号 | 9 |
文章类型 | Article |
语种 | 英语 |
国家 | Sweden; Peoples R China; South Korea; Hungary |
英文摘要 | Twinning is a fundamental mechanism behind the simultaneous increase of strength and ductility in medium- and high-entropy alloys, but its operation is not yet well understood, which limits their exploitation. Since many high-entropy alloys showing outstanding mechanical properties are actually thermodynamically unstable at ambient and cryogenic conditions, the observed twinning challenges the existing phenomenological and theoretical plasticity models. Here, we adopt a transparent approach based on effective energy barriers in combination with first-principle calculations to shed light on the origin of twinning in high-entropy alloys. We demonstrate that twinning can be the primary deformation mode in metastable face-centered cubic alloys with a fraction that surpasses the previously established upper limit. The present advance in plasticity of metals opens opportunities for tailoring the mechanical response in engineering materials by optimizing metastable twinning in high-entropy alloys. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000435453200009 |
WOS关键词 | STACKING-FAULT ENERGY ; TRANSFORMATION-INDUCED PLASTICITY ; SOLID-SOLUTION ALLOYS ; 1ST-PRINCIPLES THEORY ; MECHANICAL-PROPERTIES ; DEFORMATION-BEHAVIOR ; TRIP/TWIP STEELS ; METALS ; STRENGTH ; FE |
WOS类目 | Multidisciplinary Sciences |
WOS研究方向 | Science & Technology - Other Topics |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/204104 |
专题 | 资源环境科学 |
作者单位 | 1.Royal Inst Technol, Dept Mat Sci & Engn, Appl Mat Phys, SE-10044 Stockholm, Sweden; 2.Sci & Technol Surface Phys & Chem Lab, Mianyang 621900, Peoples R China; 3.Uppsala Univ, Div Mat Theory, Dept Phys & Astron, SE-75120 Uppsala, Sweden; 4.Pukyong Natl Univ, Dept Phys, Busan 608737, South Korea; 5.Sandvik Coromant R&D, S-12680 Stockholm, Sweden; 6.Pohang Univ Sci & Technol, Grad Inst Ferrous Technol, Pohang 37673, South Korea; 7.Wigner Res Ctr Phys, Inst Solid State Phys & Opt, H-1525 Budapest, Hungary |
推荐引用方式 GB/T 7714 | Huang, Shuo,Huang, He,Li, Wei,et al. Twinning in metastable high-entropy alloys[J]. NATURE COMMUNICATIONS,2018,9. |
APA | Huang, Shuo.,Huang, He.,Li, Wei.,Kim, Dongyoo.,Lu, Song.,...&Vitos, Levente.(2018).Twinning in metastable high-entropy alloys.NATURE COMMUNICATIONS,9. |
MLA | Huang, Shuo,et al."Twinning in metastable high-entropy alloys".NATURE COMMUNICATIONS 9(2018). |
条目包含的文件 | 条目无相关文件。 |
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