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Ductile Ti1.5ZrNbAl0.3 refractory high entropy alloy with high specific strength
Pang, Jingyu1,2; Zhang, Hongwei1,3; Zhang, Long1,3; Zhu, Zhengwang1,3; Fu, Huameng1,3; Li, Hong1,3; Wang, Aimin1,3; Li, Zhengkun1,3; Zhang, Haifeng1,3
Corresponding AuthorZhang, Hongwei(hongweizhang@imr.ac.cn) ; Zhang, Long(zhanglong@imr.ac.cn)
2021-05-01
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume290Pages:4
AbstractThe 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.
KeywordRefractory high-entropy alloys Specific yield strength Deformation and fracture Solid solution strength Cross-slip of dislocations Microstructure
Funding OrganizationNational 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
DOI10.1016/j.matlet.2021.129428
Indexed BySCI
Language英语
Funding ProjectNational 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 Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000627124000001
PublisherELSEVIER
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/161579
Collection中国科学院金属研究所
Corresponding AuthorZhang, Hongwei; Zhang, Long
Affiliation1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
3.Ji Hua Lab Foshan, Foshan, Peoples R China
Recommended Citation
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.
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