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Evolution of microstructure and phase composition of Ti-3Al-5Mo-4.5V alloy with varied beta phase stability
Xue, Q.1,2; Ma, Y. J.2; Lei, J. F.2; Yang, R.2; Wang, C.1
Corresponding AuthorMa, Y. J.(yjma@imr.ac.cn) ; Wang, C.(wangc@smm.neu.edu.cn)
2018-12-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume34Issue:12Pages:2325-2330
AbstractThe microstructure evolution and phase composition of an alpha + beta titanium alloy, Ti-3Al-5Mo-4.5V (wt.%), have been investigated. Electron probe micro analysis (EPMA) quantitative results manifest that the stability of beta phase decreases with increasing quenching temperature, which is influenced by the significant variation of beta-stabilizing elements concentration. Detailed microstructure analysis shows that the beta -> omega phase transformation does occur when quenching at 750 degrees C and 800 degrees C. The omega-reflections change from incommensurate omega-spots (750 degrees C) to ideal omega-spots (800 degrees C) as the beta stability of the alloy decreases. Further the decrease of beta phase stability encourages the formation of athermal alpha '' martensite, which has the following orientation relationships: [111](beta)//[110](alpha ''), [100](beta)//[100](alpha ''), and [-110](beta)//[00-1](alpha//) with respect to the beta matrix.
KeywordDual-phase titanium alloy beta phase stability omega phase alpha '' martensite Microstructure
Funding OrganizationNational Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences
DOI10.1016/j.jmst.2018.04.002
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51401221] ; National Natural Science Foundation of China[51622401] ; National Natural Science Foundation of China[51628402] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB06050100]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000443274500013
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129307
Collection中国科学院金属研究所
Corresponding AuthorMa, Y. J.; Wang, C.
Affiliation1.Northeastern Univ, Sch Met, Shenyang 110089, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Xue, Q.,Ma, Y. J.,Lei, J. F.,et al. Evolution of microstructure and phase composition of Ti-3Al-5Mo-4.5V alloy with varied beta phase stability[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2018,34(12):2325-2330.
APA Xue, Q.,Ma, Y. J.,Lei, J. F.,Yang, R.,&Wang, C..(2018).Evolution of microstructure and phase composition of Ti-3Al-5Mo-4.5V alloy with varied beta phase stability.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,34(12),2325-2330.
MLA Xue, Q.,et al."Evolution of microstructure and phase composition of Ti-3Al-5Mo-4.5V alloy with varied beta phase stability".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 34.12(2018):2325-2330.
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