Quantitative analysis of overload effect at crack tip on crack growth rate of 7005 aluminum alloy

Ma, Jianxiao; Wang, Ping; Meng, Jinkui; Fang, Hongyuan

doi:10.1016/j.ijfatigue.2020.105783

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Cited by 2 publications

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“… The fitting results of the Manson-Coffin and the Walker equations [ 54 ]. ( a ) The data fit for the Manson-Coffin equation; ( b ) The data fit well for the Walker equation.…”

Section: Figurementioning

confidence: 99%

Fatigue Life of 7005 Aluminum Alloy Cruciform Joint Considering Welding Residual Stress

Wang

Fang

2021

Materials

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An evaluation method is proposed for determining the full fatigue life of aluminum alloy cruciform joint, including the crack initiation and propagation with welding residual stress. The results of simulations have shown that the boundary between the initiation and propagation stage is not constant, but a variable value. The residual stress leads to a significant reduction in both stages, which is more severe on initiation. With considering residual stress, the ratio of crack initiation to total life is below 7%. The effect of residual stress varies with external loading; when external load is lower, the residual stress has a greater effect.

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“… The fitting results of the Manson-Coffin and the Walker equations [ 54 ]. ( a ) The data fit for the Manson-Coffin equation; ( b ) The data fit well for the Walker equation.…”

Section: Figurementioning

confidence: 99%

Fatigue Life of 7005 Aluminum Alloy Cruciform Joint Considering Welding Residual Stress

Wang

Fang

2021

Materials

Self Cite

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show abstract

Unveiling contribution of overload-induced residual stress to fatigue retardation pertinent to crack closure and stress intensity

Zhang

2022

Materials Science and Engineering: A

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Quantitative analysis of overload effect at crack tip on crack growth rate of 7005 aluminum alloy

Cited by 2 publications

References 31 publications

Fatigue Life of 7005 Aluminum Alloy Cruciform Joint Considering Welding Residual Stress

Fatigue Life of 7005 Aluminum Alloy Cruciform Joint Considering Welding Residual Stress

Unveiling contribution of overload-induced residual stress to fatigue retardation pertinent to crack closure and stress intensity

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