Surface mechanical properties of 2024-T351 aluminum alloy strengthened by cryogenic laser peening

Yangyang, 徐洋洋 Xu; Jianzhong, 周建忠 Zhou; Wensheng, 谭文胜 Tan; Xiankai, 孟宪凯 Meng; Jie, 盛杰 Sheng; Shu, 黄舒 Huang; Yunjie, 孙昀杰 Sun

doi:10.3788/irla201847.1206002

红外与激光工程

2018

DOI: 10.3788/irla201847.1206002

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Surface mechanical properties of 2024-T351 aluminum alloy strengthened by cryogenic laser peening

徐洋洋 Xu Yangyang¹,

周建忠 Zhou Jianzhong²,

谭文胜 Tan Wensheng³

et al.

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Vibration fatigue life and fracture analysis of 2024-T351 aluminum alloy treated by cryogenic laser peening

Chen¹,

leng²,

Xu³

et al. 2022

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A Nd:YAG nanosecond pulsed laser was used to carry out laser peening and cryogenic laser peening (CLP) experiments at room temperature (25°C) and cryogenic temperature ( − 100 ∘ C ), respectively, on the vibration fatigue life of 2024-T351 aluminum alloy. It was found that CLP induced a higher amplitude of compressive residual stress and improved the nano-hardness and the elastic modulus. Compared to the LP-ed samples, the fatigue life of the CLP-ed specimens was higher, and the initiation and propagation of fatigue cracks were more effectively inhibited. Therefore, CLP can effectively improve the fatigue performance of aluminum alloys.

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Vibration fatigue life and fracture analysis of 2024-T351 aluminum alloy treated by cryogenic laser peening

Chen¹,

leng²,

Xu³

et al. 2022

Appl. Opt.

View full text Add to dashboard Cite

show abstract

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Surface mechanical properties of 2024-T351 aluminum alloy strengthened by cryogenic laser peening

Cited by 1 publication

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Vibration fatigue life and fracture analysis of 2024-T351 aluminum alloy treated by cryogenic laser peening

Vibration fatigue life and fracture analysis of 2024-T351 aluminum alloy treated by cryogenic laser peening

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