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Influence of thermal treatment on element partitioning in alpha plus beta titanium alloy

文献类型：期刊论文

作者Huang, Sensen2,3,4; Zhang, Jinhu4; Ma, Yingjie1,4; Zhang, Shilin1,4; Youssef, Sabry S.1,4; Qi, Min1,4; Wang, Hao1,4; Qiu, Jianke4; Xu, Dongsheng1,4; Lei, Jiafeng1,4
刊名JOURNAL OF ALLOYS AND COMPOUNDS
出版日期2019-06-30
卷号791页码:575-585
关键词Ti-6Al-4V Element partitioning Composition gradient EPMA Phase field
ISSN号0925-8388
DOI10.1016/j.jallcom.2019.03.332
通讯作者Ma, Yingjie(yjma@imr.ac.cn) ; Yang, Rui(ryang@imr.ac.cn)
英文摘要The partitioning of alloying elements during the alpha+beta solution treatment, accompanying the alpha <->beta phase transformation, determines the composition and stability of the microstructure, and thus significantly influences the ultimate mechanical behavior of alpha+beta titanium alloys. In the current study, the influence of two main factors, i.e., the solution temperature and the isothermal solution time, on element partitioning in Ti-6Al-4V alloy was investigated. The distribution of alloy elements in both phases was quantitatively analyzed by the electron probe micro-analyzer (EPMA). The results indicated that, with the increase of the solution temperature, an evident change in composition occurred in the beta transformed structure (beta(t)), while the composition in the primary alpha phase (alpha(p)) remained almost constant, because of the higher atomic mobilities in the beta phase than in the alpha. With longer solution time, there appeared a steeper composition gradient and a smaller transition range of element concentration around the alpha(p)/beta(t) boundary. Phase field simulation revealed the evolution of microstructure and composition toward equilibrium at a constant solution temperature and verified the above experimental results from the perspective of elemental diffusion and kinetics. (c) 2019 Elsevier B.V. All rights reserved.
资助项目Strategic Priority Research Program of the Chinese Academy of Sciences[XDB06050100] ; Natural Key Research and Development Program of China[2016YFC0304201] ; Natural Key Research and Development Program of China[2016YFC0304206] ; Natural Key Research and Development Program of China[2016YFB0701304] ; Natural Science Foundation of China[51871225] ; Doctoral Scientific Research Foundation of Liaoning Province[20180540133]
WOS研究方向Chemistry ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000465282500065
出版者ELSEVIER SCIENCE SA
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences ; Natural Key Research and Development Program of China ; Natural Science Foundation of China ; Doctoral Scientific Research Foundation of Liaoning Province
源URL[http://ir.imr.ac.cn/handle/321006/132757]  
专题金属研究所_中国科学院金属研究所
通讯作者Ma, Yingjie; Yang, Rui
作者单位1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
2.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Liaoning, Peoples R China
3.Northeastern Univ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Liaoning, Peoples R China
4.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
推荐引用方式
GB/T 7714		 Huang, Sensen,Zhang, Jinhu,Ma, Yingjie,et al. Influence of thermal treatment on element partitioning in alpha plus beta titanium alloy[J]. JOURNAL OF ALLOYS AND COMPOUNDS,2019,791:575-585.
APA Huang, Sensen.,Zhang, Jinhu.,Ma, Yingjie.,Zhang, Shilin.,Youssef, Sabry S..,...&Yang, Rui.(2019).Influence of thermal treatment on element partitioning in alpha plus beta titanium alloy.JOURNAL OF ALLOYS AND COMPOUNDS,791,575-585.
MLA Huang, Sensen,et al."Influence of thermal treatment on element partitioning in alpha plus beta titanium alloy".JOURNAL OF ALLOYS AND COMPOUNDS 791(2019):575-585.

入库方式： OAI收割

来源：金属研究所

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