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Effect of Cold Rotary-Swaging Deformation on Microstructure and Tensile Properties of TB9 Titanium Alloy
Ren Dechun1,2; Su Huhu1,2; Zhang Huibo1; Wang Jian1; Jin Wei1,2; Yang Ru1,2
Corresponding AuthorJin Wei(wjin@imr.ac.cu)
2019-04-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume55Issue:4Pages:480-488
AbstractTB9 titanium alloy has been widely used for aerospace due to it's superior low stiffness, corrosion resistance and workability. It has been reported that cold deformation can improve the comprehensive mechanical properties of titanium alloys. At the same time, the cold rotary-swaging deformation facilitates the production of small batches and the acquisition of special shape and size bars. However, current studies on the microstructure and properties of cold rotary-swaged titanium alloys are not systematic. So, the effects of cold deformation rate on the microstructure, texture evolution and mechanical property of TB9 alloy during cold rotary-swaging were investigated using OM, EBSD, XRD, TEM and tensile test. The results showed that the grain size of TB9 titanium was refined with the increase in diameter reduction. Meanwhile, with the deformation increases, the grains rotation along the swaging axis occurs, forming a preferred orientation, the textures change from initial {001}<110> and {001}<100> to alpha-fiber and gamma-fiber {001}<110>, {112}<110> and {111}<110>. All of grains refinement, texture components and substructures contributed to the enhancement of strength after cold rotary-swaging. And the ductile kept on a high level after 70% cold working, which means the TB9 titanium has a great cold deformation ability.
KeywordTB9 titanium alloy cold rotary-swaging deformation microstructure texture tensile property
DOI10.11900/0412.1961.2018.00241
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000461986500006
PublisherSCIENCE PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/132622
Collection中国科学院金属研究所
Corresponding AuthorJin Wei
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Ren Dechun,Su Huhu,Zhang Huibo,et al. Effect of Cold Rotary-Swaging Deformation on Microstructure and Tensile Properties of TB9 Titanium Alloy[J]. ACTA METALLURGICA SINICA,2019,55(4):480-488.
APA Ren Dechun,Su Huhu,Zhang Huibo,Wang Jian,Jin Wei,&Yang Ru.(2019).Effect of Cold Rotary-Swaging Deformation on Microstructure and Tensile Properties of TB9 Titanium Alloy.ACTA METALLURGICA SINICA,55(4),480-488.
MLA Ren Dechun,et al."Effect of Cold Rotary-Swaging Deformation on Microstructure and Tensile Properties of TB9 Titanium Alloy".ACTA METALLURGICA SINICA 55.4(2019):480-488.
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