TEM analysis of quasi in-situ formed tensile and fatigue cracks in a dual-phase Ti alloy

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成果类型：

期刊论文

作者：

Chen, Jiaxuan;Liu, Chaoqiang;Li, Dan;Niu, Pengda;Zhang, Xiaoyong;...

通讯作者：

Chen, CS;Song, M

作者机构：

[Chen, Chuansheng; Chen, Jiaxuan] Changsha Univ Sci & Technol, Sch Mat Sci & Engn, Changsha 410114, Hunan, Peoples R China.

[Li, Dan; Liu, Chaoqiang; Song, Miao; Zhang, Xiaoyong; Chen, Jiaxuan; Zhou, Kechao; Niu, Pengda] Cent South Univ, Powder Met Res Inst, Changsha 410083, Hunan, Peoples R China.

[Ma, Xiaolong] City Univ Hong Kong, Dept Mat Sci & Engn, Kowloon, Hong Kong 999077, Peoples R China.

[Zhao, Yunqiang] Guangdong Acad Sci, China Ukraine Inst Welding, Guangdong Prov Key Lab Adv Welding Technol, Guangzhou 510650, Peoples R China.

通讯机构：

[Song, M ; Chen, CS ] C

Changsha Univ Sci & Technol, Sch Mat Sci & Engn, Changsha 410114, Hunan, Peoples R China.

Cent South Univ, Powder Met Res Inst, Changsha 410083, Hunan, Peoples R China.

语种：

英文

关键词：

Crack;Titanium alloy;Phase transformation;Transmission electron microscopy (TEM)

期刊：

Scripta Materialia

ISSN：

1359-6462

年：

2024

卷：

240

页码：

115850

DOI：

10.1016/j.scriptamat.2023.115850

基金类别：

CRediT authorship contribution statement Jiaxuan Chen: Investigation, Formal analysis, Visualization, Writing – original draft. Chaoqiang liu: Visualization, Formal analysis. Dan Li: Formal analysis, Investigation. Pengda Niu: Investigation. Xiaoyong Zhang: Formal analysis. Xiaolong Ma: Formal analysis, Writing – review & editing. Yunqiang Zhao: Formal analysis. Chuansheng Chen: Supervision, Writing – review & editing. Kechao Zhou: Supervision, Formal analysis. Miao Song: Supervision, Conceptualization, acquisition, Writing –

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：

Designing dual-phase titanium (Ti) alloys with exceptional damage tolerance holds profound scientific and engineering significance. A comprehensive understanding of microstructure evolution around cracks under diverse loading conditions is pivotal in advancing this pursuit. Here, tensile and fatigue cracks were formed quasi in-situ in a dual-phase Ti alloy, and the microstructures around the cracks were systematically analyzed and compared using TEM. Our findings reveal that the deflection of tensile cracks is primarily influenced by the hindrance posed by the straight alpha/beta heterointerfa...

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TEM analysis of quasi in-situ formed tensile and fatigue cracks in a dual-phase Ti alloy

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