Local chemical order enables an ultrastrong and ductile high-entropy alloy in a cryogenic environment
文献类型：期刊论文
| 作者 | Sun, Lifang1; He, Zhufeng1; Jia, Nan1; Guo, Yanxin1; Jiang, Shuang2; Yang, Yuliang1; Liu, Yuxin1; Guan, Xianjun3; Shen, Yongfeng4; Yan, Hai-Le1 |
| 刊名 | SCIENCE ADVANCES
 |
| 出版日期 | 2024-11-29 |
| 卷号 | 10期号:48页码:12 |
| ISSN号 | 2375-2548 |
| DOI | 10.1126/sciadv.adq6398 |
| 通讯作者 | Jia, Nan(jian@atm.neu.edu.cn) ; Shen, Yongfeng(shenyf@smm.neu.edu.cn) ; Yan, Hai-Le(yanhaile@mail.neu.edu.cn) |
| 英文摘要 | Owing to superior strength-ductility combination and great potential for applications in extreme conditions, high-entropy alloys (HEAs) with the face-centered cubic (FCC) structure have drawn enormous attention. However, the FCC structure limits yield strength and makes the alloys unable to meet ever-increasing demands for exploring the universe. Here, we report a strategy to obtain FCC materials with outstanding mechanical properties in both ambient and cryogenic environments, via exploiting dynamic development of the interstitial-driven local chemical order (LCO). Dense laths composed of the multiscaled LCO domains evolve from planar-slip bands that form in the prior thermomechanical processing, contributing to ultrahigh yield strengths over a wide temperature range. During cryogenic tensile deformation, LCO further develops and promotes remarkable dislocation cross-slip. Together with the deformation-driven transformation and twinning, these factors lead to satisfactory work hardening. The cryogenic loading-promoted LCO, also revealed by ab initio calculations, opens an avenue for designing advanced cryogenic materials. |
| 资助项目 | National Natural Science Foundation of China[52371097] ; National Natural Science Foundation of China[52301135] ; National Natural Science Foundation of China[51922026] ; Fundamental Research Funds for the Central Universities[N2325029] ; NSF[DMR-1611180] ; NSF[1809640] ; NSF[2226508] ; Army Research Office[W911NF-13-1-0438] ; Army Research Office[W911NF-19-2-0049] |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:001402032000014 |
| 出版者 | AMER ASSOC ADVANCEMENT SCIENCE |
| 资助机构 | National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; NSF ; Army Research Office |
| 源URL |  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 通讯作者 | Jia, Nan; Shen, Yongfeng; Yan, Hai-Le |
| 作者单位 | 1.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Anisotropy & Texture Mat, Minist Educ, Shenyang 110819, Peoples R China 2.Northeastern Univ, Sch Mat Sci & Engn, Key Lab Electromagnet Proc Mat, Minist Educ, Shenyang 110819, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, Shenyang 110016, Peoples R China 4.Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Peoples R China 5.Univ Tennessee, Dept Mat Sci & Engn, Knoxville, TN 37996 USA |
| 推荐引用方式 GB/T 7714 | Sun, Lifang,He, Zhufeng,Jia, Nan,et al. Local chemical order enables an ultrastrong and ductile high-entropy alloy in a cryogenic environment[J]. SCIENCE ADVANCES,2024,10(48):12. |
| APA | Sun, Lifang.,He, Zhufeng.,Jia, Nan.,Guo, Yanxin.,Jiang, Shuang.,...&Liaw, Peter K..(2024).Local chemical order enables an ultrastrong and ductile high-entropy alloy in a cryogenic environment.SCIENCE ADVANCES,10(48),12. |
| MLA | Sun, Lifang,et al."Local chemical order enables an ultrastrong and ductile high-entropy alloy in a cryogenic environment".SCIENCE ADVANCES 10.48(2024):12. |
入库方式： OAI收割
来源：金属研究所
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