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Ductile Ti1.5ZrNbAl0.3 refractory high entropy alloy with high specific strength

文献类型：期刊论文

作者Pang, Jingyu1,2; Zhang, Hongwei2,3; Zhang, Long2,3; Zhu, Zhengwang2,3; Fu, Huameng2,3; Li, Hong2,3; Wang, Aimin2,3; Li, Zhengkun2,3; Zhang, Haifeng2,3
刊名MATERIALS LETTERS
出版日期2021-05-01
卷号290页码:4
ISSN号0167-577X
关键词Refractory high-entropy alloys Specific yield strength Deformation and fracture Solid solution strength Cross-slip of dislocations Microstructure
DOI10.1016/j.matlet.2021.129428
通讯作者Zhang, Hongwei(hongweizhang@imr.ac.cn) ; Zhang, Long(zhanglong@imr.ac.cn)
英文摘要The ambient temperature brittleness and high density of refractory high entropy alloys (RHEAs) are the obstacles for their applications as structural materials. A novel ductile body-centered cubic Ti1.5ZrNbAl0.3 RHEA with high specific strength was developed. The tensile specific yield strength and fracture elongation of this alloy are 145.5 MPa.g(-1).cm(3) and 23.0%, respectively. The specific yield strength is the highest among all other reported RHEAs. The superior mechanical properties of the Ti1.5ZrNbAl0.3 RHEA arise from the solid solution strength and cross-slip of dislocations. The ultrahigh specific yield strength and superior strength-plasticity synergy may promote the applications of RHEAs. (C) 2021 Elsevier B.V. All rights reserved.
资助项目National Key Research and Development Program[2018YFB0703402] ; Chinese Academy of Sciences[ZDBSLYJSC023] ; Liao Ning Revitalization Talents Program[XLYC1802078] ; Liao Ning Revitalization Talents Program[XLYC1807062] ; Liaoning Key Research and Development Program[2020JH2/10100013] ; Youth Innovation Promotion Association CAS
WOS研究方向Materials Science ; Physics
语种英语
出版者ELSEVIER
WOS记录号WOS:000627124000001
资助机构National Key Research and Development Program ; Chinese Academy of Sciences ; Liao Ning Revitalization Talents Program ; Liaoning Key Research and Development Program ; Youth Innovation Promotion Association CAS
源URL[http://ir.imr.ac.cn/handle/321006/161578]  
专题金属研究所_中国科学院金属研究所
通讯作者Zhang, Hongwei; Zhang, Long
作者单位1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
3.Ji Hua Lab Foshan, Foshan, Peoples R China
推荐引用方式
GB/T 7714		 Pang, Jingyu,Zhang, Hongwei,Zhang, Long,et al. Ductile Ti1.5ZrNbAl0.3 refractory high entropy alloy with high specific strength[J]. MATERIALS LETTERS,2021,290:4.
APA Pang, Jingyu.,Zhang, Hongwei.,Zhang, Long.,Zhu, Zhengwang.,Fu, Huameng.,...&Zhang, Haifeng.(2021).Ductile Ti1.5ZrNbAl0.3 refractory high entropy alloy with high specific strength.MATERIALS LETTERS,290,4.
MLA Pang, Jingyu,et al."Ductile Ti1.5ZrNbAl0.3 refractory high entropy alloy with high specific strength".MATERIALS LETTERS 290(2021):4.

入库方式： OAI收割

来源：金属研究所

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