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Abnormal high yield strength and strain softening in a metastable β titanium alloy at room temperature

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成果类型:
期刊论文
作者:
Tianle Li;Ning Xu;Xiang Wu;Jiaobao Liu;Xiaochun Liu;...
通讯作者:
Xiang Wu<&wdkj&>Xiaochun Liu<&wdkj&>Xifeng Li
作者机构:
[Tianle Li; Ning Xu; Xiang Wu; Jiaobao Liu; Xiaochun Liu] School of Material Science and Engineering, Changsha University of Science & Technology, Changsha, 410004, China
[Xifeng Li] Department of Plasticity Technology, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200030, China
通讯机构:
[Xiang Wu; Xiaochun Liu] S
[Xifeng Li] D
School of Material Science and Engineering, Changsha University of Science & Technology, Changsha, 410004, China<&wdkj&>Department of Plasticity Technology, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200030, China
语种:
英文
期刊:
International Journal of Plasticity
ISSN:
0749-6419
年:
2025
页码:
104310
基金类别:
CRediT authorship contribution statement Tianle Li : Investigation, Conceptualization, Methodology, Data curation, Validation, Writing-original draft, acquisition. Ning Xu : Methodology, Investigation. Xiang Wu : Methodology, Investigation. Jiaobao Liu : Investigation. Xiaochun Liu : Writing – review & editing, Conceptualization, Supervision. Xifeng Li : Methodology, acquisition, Supervision. CRediT authorship contribution statement Tianle Li: Writing – original draft, Resources, Investigation, acquisition, Data curation, Conceptualization. Ning Xu: Methodology, Formal analysis. Xiang Wu: Writing – original draft, Visualization, Data curation. Jiaobao Liu: . Xiaochun Liu: Writing – review & editing, Supervision, Project administration. Xifeng Li: Writing – review & editing, Supervision, Resources, acquisition.
机构署名:
本校为第一且通讯机构
院系归属:
材料科学与工程学院
摘要:
Understanding the relationship between deformation behaviors and mechanisms is significant for the processing and application of metastable β titanium alloys. Here we aim to investigate and evaluate the abnormal yield strength and strain softening of a Ti-15.1Mo-2.77Nb-3.1Al-0.21Si alloy at room temperature. This alloy exhibits a high yield strength of 970 MPa, followed by the continuous stress drop behavior in the entire engineering strains (or true strains of 0.018 ∼ 0.056). Digital image correlation (DIC) reveals that the flow stress drop ...

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