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Molecular dynamics study of grain-boundary-induced melting in B2NiAl using a many-body potential
Zhao, SJ; Li, DX; Wang, SQ; He, LL; Ye, HQ; You, JQ; Yang, QB
Corresponding AuthorZhao, SJ()
1999-07-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume15Issue:4Pages:323-327
AbstractThe role of grain-boundary (GB) in the melting for Sigma=5 bicrystals of B2 NiAl is investigated by molecular-dynamics simulation. The thermodynamic properties of the boundary are monitored over a wide temperature range including the thermodynamic melting point T-m which is determined by using a many-body potential fitted to NiAl. A thermal disorder transition in the GB region occurs well below the melting point. Our results indicate that such a transition is a continuous process and there is no evidence of premelting, which is entirely in accord with experimental results and theoretical prediction. Moreover, we also find that the superheated temperature range of this intermetallic alloy is much wider than that of some elemental metals.
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000081263400010
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/109214
Collection中国科学院金属研究所
Corresponding AuthorZhao, SJ
Affiliation1.Chinese Acad Sci, Met Res Inst, Atom Imaging Solids Lab, Shenyang 110015, Peoples R China
2.Xiangtan Univ, Dept Phys, Xiangtan 411105, Peoples R China
Recommended Citation
GB/T 7714
Zhao, SJ,Li, DX,Wang, SQ,et al. Molecular dynamics study of grain-boundary-induced melting in B2NiAl using a many-body potential[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,1999,15(4):323-327.
APA Zhao, SJ.,Li, DX.,Wang, SQ.,He, LL.,Ye, HQ.,...&Yang, QB.(1999).Molecular dynamics study of grain-boundary-induced melting in B2NiAl using a many-body potential.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,15(4),323-327.
MLA Zhao, SJ,et al."Molecular dynamics study of grain-boundary-induced melting in B2NiAl using a many-body potential".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 15.4(1999):323-327.
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