In-situ microstructural evolution and deformation mechanisms of metastable beta titanium fabricated by laser powder bed fusion under flexural stress

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成果类型：

期刊论文

作者：

Ma, H. Y.;Wang, J. C.;Liu, Y. J.;Li, Y. H.;Zhang, Y. S.;...

通讯作者：

Zhang, LC;Liu, YJ;Li, YH;Zhang, YS

作者机构：

[Wang, J. C.; Zhang, LC; Ma, H. Y.; Zhang, L. C.] Edith Cowan Univ, Ctr Adv Mat & Mfg, Sch Engn, 270 Joondalup Dr, Perth, WA 6027, Australia.

[Wang, J. C.] Univ Western Australia, Sch Engn, M050,35 Stirling Highway, Perth, WA 6009, Australia.

[Liu, Y. J.; Liu, YJ] Baoji Xigong Titanium Alloy Prod Co Ltd, Yuhua Inst Adv Mat, Baoji 721300, Peoples R China.

[Li, YH; Li, Y. H.] Xian Univ Sci & Technol, Coll Mech Engn, Xian 710054, Peoples R China.

[Zhang, Y. S.] Northwest Inst Nonferrous Met Res, Xian 710016, Peoples R China.

通讯机构：

[Li, YH ] X

[Zhang, LC ] E

[Liu, YJ ] B

[Zhang, YS ] N

Edith Cowan Univ, Ctr Adv Mat & Mfg, Sch Engn, 270 Joondalup Dr, Perth, WA 6027, Australia.

语种：

英文

关键词：

Powder bed fusion;Beta titanium;Three-point bending;Transformation-induced plasticity (TRIP);Twinning-induced plasticity (TWIP)

期刊：

Materials Science and Engineering: A

ISSN：

0921-5093

年：

2025

卷：

925

页码：

147873

DOI：

10.1016/j.msea.2025.147873

基金类别：

ECU DVC strategic research support fund [23965]; National Natural Science Foundation of China [52404382]; Australian Government Research Training Program Scholarship; Forrest Research Foundation (Perth, Australia); Woodside TechWorks FutrueLab at The University of Western Australia; Woodside Energy Group Ltd

机构署名：

本校为其他机构

院系归属：

材料科学与工程学院

摘要：

Compared to other loading conditions, studies on deformation mechanisms of additive manufacturing (AM)-produced β-type Ti alloys under bending remain limited. This study investigates a metastable β-type Ti–25Nb–3Zr–3Mo–2Sn (TLM, wt.%) alloy fabricated via laser powder bed fusion (L-PBF) during in-situ three-point bending. In-situ observations using scanning electron microscopy (SEM) combined with electron backscatter diffraction (EBSD) and ex-situ transmission electron microscopy (TEM) imaging during bending provided evaluation of microst...

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In-situ microstructural evolution and deformation mechanisms of metastable beta titanium fabricated by laser powder bed fusion under flexural stress

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