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A comparison of the ideal strength between L1(2)Co(3)(Al,W) and Ni3Al under tension and shear from first-principles calculations
Wang, Yun-Jiang1; Wang, Chong-Yu1,2
Corresponding AuthorWang, Yun-Jiang(wangyunjiang05@mails.tsinghua.edu.cn)
2009-06-29
Source PublicationAPPLIED PHYSICS LETTERS
ISSN0003-6951
Volume94Issue:26Pages:3
AbstractThe ideal strengths of L1(2)Co(3)(Al,W) in comparison with Ni3Al are investigated using the first-principles method. Results for the stress-strain relationships, ideal tensile and shear strengths are presented. The calculated elastic properties agree well with the experimental observations. Co-3(Al,W) is found to have larger moduli and higher strengths, but less ductile than Ni3Al. The electronic structures indicate the directional covalentlike Co-W bonding through d-d hybridization is the origin of excellent mechanical properties of Co-3(Al,W).
Keywordab initio calculations aluminium alloys cobalt alloys ductility elastic moduli electronic structure nickel alloys shear strength stress-strain relations tungsten alloys
Funding Organization973 Project (Ministry of Science and Technology of China
DOI10.1063/1.3170752
Indexed BySCI
Language英语
Funding Project973 Project (Ministry of Science and Technology of China[2006CB605102]
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000267697300017
PublisherAMER INST PHYSICS
Citation statistics
Cited Times:54[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/99140
Collection中国科学院金属研究所
Corresponding AuthorWang, Yun-Jiang
Affiliation1.Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yun-Jiang,Wang, Chong-Yu. A comparison of the ideal strength between L1(2)Co(3)(Al,W) and Ni3Al under tension and shear from first-principles calculations[J]. APPLIED PHYSICS LETTERS,2009,94(26):3.
APA Wang, Yun-Jiang,&Wang, Chong-Yu.(2009).A comparison of the ideal strength between L1(2)Co(3)(Al,W) and Ni3Al under tension and shear from first-principles calculations.APPLIED PHYSICS LETTERS,94(26),3.
MLA Wang, Yun-Jiang,et al."A comparison of the ideal strength between L1(2)Co(3)(Al,W) and Ni3Al under tension and shear from first-principles calculations".APPLIED PHYSICS LETTERS 94.26(2009):3.
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