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Study of the Ti2Al phase and GB structures in TiAl intermetallics using atomic scale observation and computational simulation
He, LL; Zhou, LG; Yu, R; Ye, HQ
Corresponding AuthorYe, HQ(hqye@imr.ac.cn)
2002-06-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume38Issue:6Pages:597-601
AbstractThe investigation of phase structures and defects in material at the atomic scale is now deep-going into their physical essence, such as structural stability of the phases, atomistic relax at the interfaces, and so on. In this paper, we choose TiAl-based alloys as an example, because they are primary candidates for high-temperature structural materials for their low density, high strength and good anti-oxidation property. Based on HREM observation, nano-beam EELS and EDS analysis and ab initio pseudopotential calculation for the cohesive energy of compound, the Ti2Al phase has been identified. Using HREM observation and molecular dynamics calculation, the atomic structures of symmetrical and asymmetrical tilting grain boundaries have been characterized.
Keywordatomic scale observation atomistic simulation TiAl intermetallics
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000176623900008
PublisherSCIENCE CHINA PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/114580
Collection中国科学院金属研究所
Corresponding AuthorYe, HQ
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
He, LL,Zhou, LG,Yu, R,et al. Study of the Ti2Al phase and GB structures in TiAl intermetallics using atomic scale observation and computational simulation[J]. ACTA METALLURGICA SINICA,2002,38(6):597-601.
APA He, LL,Zhou, LG,Yu, R,&Ye, HQ.(2002).Study of the Ti2Al phase and GB structures in TiAl intermetallics using atomic scale observation and computational simulation.ACTA METALLURGICA SINICA,38(6),597-601.
MLA He, LL,et al."Study of the Ti2Al phase and GB structures in TiAl intermetallics using atomic scale observation and computational simulation".ACTA METALLURGICA SINICA 38.6(2002):597-601.
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