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Influence of alloy element partitioning on strength of primary α phase in Ti-6Al-4V alloy
Alternative TitleInfluence of alloy element partitioning on strength of primary α phase in Ti-6Al-4V alloy
Zeng L R1; Chen H L1; Li X1; Lei L M2; Zhang G P1
2018
Source PublicationJournal of Materials Science & Technology
ISSN1005-0302
Volume34Issue:5Pages:782-787
AbstractThe partitioning effect of Al (α-phase stabilizer) and V elements (β-phase stabilizer) on strength of the primary α phases in the α c -axis of the α phase. The enhanced strength is attributed to the increase of the content of Al element in the primary α phase, but it is not dominated evidently by the change of the V content. The solid solution strengthening contributed from both the elastic strain introduced by the solute atoms and the variation of the density of states was estimated theoretically.
Other AbstractThe partitioning effect of Al (α-phase stabilizer) and V elements (β-phase stabilizer) on strength of the primary α phases in the α/β Ti-6Al-4V alloy with the bimodal microstructure was investigated. It was found that partitioning of Al and V elements took place in the Ti-6Al-4V alloy during the recrystallization process, leading to the variation of the content of Al andVelements in the primary αphases with changing the volume fraction of the primary α phase. Nanoindentation tests reveal a general trend that the strength of the primary α phases increases with decreasing the volume fraction of the primary α phases, and such trend is independent on the loading direction relative to the c-axis of the α phase. The enhanced strength is attributed to the increase of the content of Al element in the primary α phase, but it is not dominated evidently by the change of the V content. The solid solution strengthening contributed from both the elastic strain introduced by the solute atoms and the variation of the density of states was estimated theoretically.
KeywordTi-6Al-4V Nanoindentation Strength Alloy element partitioning Crystallographic orientation
Indexed ByCSCD
Language英语
CSCD IDCSCD:6240450
Citation statistics
Cited Times:8[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/156931
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.AVIC Commercial Aircraft Engine, Co., LTD
Recommended Citation
GB/T 7714
Zeng L R,Chen H L,Li X,et al. Influence of alloy element partitioning on strength of primary α phase in Ti-6Al-4V alloy[J]. Journal of Materials Science & Technology,2018,34(5):782-787.
APA Zeng L R,Chen H L,Li X,Lei L M,&Zhang G P.(2018).Influence of alloy element partitioning on strength of primary α phase in Ti-6Al-4V alloy.Journal of Materials Science & Technology,34(5),782-787.
MLA Zeng L R,et al."Influence of alloy element partitioning on strength of primary α phase in Ti-6Al-4V alloy".Journal of Materials Science & Technology 34.5(2018):782-787.
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