On microstructure and mechanical properties of linear friction welded dissimilar Ti-6Al-4V and Ti-6 5Al-3 5Mo-1 5Zr-0?3Si joint

T. J. Ma, B. Zhong, W. Y. Li, Y. Zhang, S. Q. Yang, C. L. Yang

科研成果: 期刊稿件文章同行评审

32 引用 (Scopus)

摘要

Linear friction welding of dissimilar titanium alloys Ti-6Al-4V (TC4) and Ti-6 5Al-3 5Mo-1?5Zr-0 3Si (TC11) was achieved. Microstructural examination showed that the joint has a clearly identified weld zone and a thermomechanically affected zone on both TC4 and TC11 sides with a clearly identified weld line. In the weld zone of TC4, superfine α grains are dispersed in the β matrix, while in that of TC11, a few recrystallised α grains are observed along the β boundaries. In the thermomechanically affected zone of TC4, both deformed and recrystallised grains exist in the same area, while that of TC11 has a deformed α+β structure. The tensile strength of the joint is comparable to that of the parent TC4 where fracture occurs. The joint microhardness is well related to its microstructure.

源语言英语
页(从-至)9-12
页数4
期刊Science and Technology of Welding and Joining
17
1
DOI
出版状态已出版 - 1月 2012

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