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First-Principles Design of Refractory High Entropy Alloy VMoNbTaW
Zheng, Shumin1; Wang, Shaoqing2
Corresponding AuthorZheng, Shumin(smzheng15b@imr.ac.cn)
2018-12-01
Source PublicationENTROPY
ISSN1099-4300
Volume20Issue:12Pages:10
AbstractThe elastic properties of seventy different compositions were calculated to optimize the composition of a V-Mo-Nb-Ta-W system. A new model called maximum entropy approach (MaxEnt) was adopted. The influence of each element was discussed. Molybdenum (Mo) and tungsten (W) are key elements for the maintenance of elastic properties. The V-Mo-Nb-Ta-W system has relatively high values of C-44, bulk modulus (B), shear modulus (G), and Young's modulus (E), with high concentrations of Mo + W. Element W is brittle and has high density. Thus, low-density Mo can substitute part of W. Vanadium (V) has low density and plays an important role in decreasing the brittleness of the V-Mo-Nb-Ta-W system. Niobium (Nb) and tantalum (Ta) have relatively small influence on elastic properties. Furthermore, the calculated results can be used as a general guidance for the selection of a V-Mo-Nb-Ta-W system.
Keywordhigh-entropy alloys first-principles calculation maximum entropy elastic property
Funding OrganizationNational Natural Science Foundation of China ; National Key R&D Program of China
DOI10.3390/e20120965
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51471164] ; National Key R&D Program of China[2016YFB0701302]
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS IDWOS:000454282000073
PublisherMDPI
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/131038
Collection中国科学院金属研究所
Corresponding AuthorZheng, Shumin
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 110016, Anhui, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Shumin,Wang, Shaoqing. First-Principles Design of Refractory High Entropy Alloy VMoNbTaW[J]. ENTROPY,2018,20(12):10.
APA Zheng, Shumin,&Wang, Shaoqing.(2018).First-Principles Design of Refractory High Entropy Alloy VMoNbTaW.ENTROPY,20(12),10.
MLA Zheng, Shumin,et al."First-Principles Design of Refractory High Entropy Alloy VMoNbTaW".ENTROPY 20.12(2018):10.
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