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Influences of Applied Shear Stress on the Nucleation and Micro-texture Formation of a Phase in Ti-6Al-4V Alloy
Zhang Jinhu1; Xu Dongsheng1; Teng Chunyu2; Wang Hao1; Li Xuexiong1; Sun Jia1; Yang Rui1
Corresponding AuthorXu Dongsheng(dsxu@imr.ac.cn)
2020-03-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume49Issue:3Pages:939-943
AbstractInfluences of applied shear stress on the nucleation process and micro-texture formation of alpha precipitates, beta ->alpha transformation in Ti-6Al-4V alloy were simulated by phase field method with Pandat software and JmatPro (TTT-Ti) databases as direct input in the model. The effects of applied positive and negative shear stresses (10, 30 and 50 MPa) along (101) [(1) over bar 11](beta) or (12 $$(1) over bar) [(1) over bar 11](beta) on the microstructure evolution of Ti-6Al-4V alloy were explored at certain aging temperature. The results show that with the increase of shear stress, the elastic interaction between applied stress and a variants gradually plays more significant role in determining the microstructure of the system under certain undercooling; therefore, the selection of alpha variants is gradually enhanced. It is found that the shear stress has a stronger effect on the variant selection than the normal stress, and thus it may be more effective in microtexture formation. With the increase of shear stress, two or one type of variant are selected under positive shear, and one type of variant is favored by the negative shear along (101) [(1) over bar 11](beta) or (12 $$(1) over bar) [(1) over bar 11](beta).
Keywordapplied shear stress micro-texture phase field simulation
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000551278100027
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/139952
Collection中国科学院金属研究所
Corresponding AuthorXu Dongsheng
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.AVIC China Aeropolytechnol Estab, Beijing 100028, Peoples R China
Recommended Citation
GB/T 7714
Zhang Jinhu,Xu Dongsheng,Teng Chunyu,et al. Influences of Applied Shear Stress on the Nucleation and Micro-texture Formation of a Phase in Ti-6Al-4V Alloy[J]. RARE METAL MATERIALS AND ENGINEERING,2020,49(3):939-943.
APA Zhang Jinhu.,Xu Dongsheng.,Teng Chunyu.,Wang Hao.,Li Xuexiong.,...&Yang Rui.(2020).Influences of Applied Shear Stress on the Nucleation and Micro-texture Formation of a Phase in Ti-6Al-4V Alloy.RARE METAL MATERIALS AND ENGINEERING,49(3),939-943.
MLA Zhang Jinhu,et al."Influences of Applied Shear Stress on the Nucleation and Micro-texture Formation of a Phase in Ti-6Al-4V Alloy".RARE METAL MATERIALS AND ENGINEERING 49.3(2020):939-943.
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