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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Cai, Min;Li, Hui;Shen, Shengnan;Lu, Junwen;Zheng, Bo

通讯作者：

Li, H;Lu, JW

作者机构：

[Cai, Min; Li, Hui] Wuhan Polytech Univ, Sch Mech Engn, Wuhan 430048, Peoples R China.

[Li, Hui; Shen, Shengnan] Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Peoples R China.

[Li, Hui; Shen, Shengnan] Wuhan Univ, Inst Technol Sci, Wuhan 430072, Peoples R China.

[Lu, Junwen; Zheng, Bo; Lu, JW] Civil Aviat Flight Univ China, Aircraft Repair & Overhaul Plant, Guanghan 618307, Peoples R China.

通讯机构：

[Li, H ] W

[Lu, JW ] C

Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Peoples R China.

Wuhan Univ, Inst Technol Sci, Wuhan 430072, Peoples R China.

Civil Aviat Flight Univ China, Aircraft Repair & Overhaul Plant, Guanghan 618307, Peoples R China.

语种：

英文

关键词：

Laser shock peening;50CrVA alloy;Residual stress;Microstructure;Mechanical properties

期刊：

OPTICS AND LASER TECHNOLOGY

ISSN：

0030-3992

年：

2024

卷：

169

页码：

110180

DOI：

10.1016/j.optlastec.2023.110180

基金类别：

National Key R & D Program of China [2022YFB4600800]

机构署名：

本校为第一机构

院系归属：

机械工程学院

摘要：

Laser shock peening (LSP) was implemented to treat aircraft landing gear 50CrVA alloy to improve mechanical properties. The sensitivity investigations of time step and mesh size were used to benchmark the 3D finite element method (FEM) model. Based on the established FEM model, the dynamic propagation characteristics of the shock wave inside the sample were predicted. The influence of laser energy and spot diameter on the residual stress field was further investigated. The numerical results indicate that regulating two critical LSP parameters can effectively improve the compressive residual st...

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