Investigation of high-cycle fatigue property and fatigue crack propagation behavior of a die-forged 2014 aluminum alloy aircraft wheel

Shen, Zhengjun; Su, Yuchang; Deng, Jichang; Huang, Zhirong

doi:10.1016/j.ijfatigue.2024.108309

International Journal of Fatigue

2024

DOI: 10.1016/j.ijfatigue.2024.108309

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Investigation of high-cycle fatigue property and fatigue crack propagation behavior of a die-forged 2014 aluminum alloy aircraft wheel

Zhengjun Shen,

Yuchang Su,

Jichang Deng

et al.

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2024

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Notches and Fatigue on Aircraft-Grade Aluminium Alloys

Zichil,

Grigoras,

Ciubotariu

2024

Materials

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The influence of notches and fatigue on the ultimate tensile strength and elongation at break of aluminium alloys (2024-T3, 6061-T4, 6061-T4 uncoated, 6061-T6 uncoated, 7075-T0, and 7076-T6) is presented in this study. A total of 120 specimens were used. On all specimens, notches were made using a CNC machine, with 60 of them subjected to low-cycle fatigue (LCF) before undergoing the tensile test. Based on the statistical examination of the measured data, mathematical prediction models have been established. Compared to their unscratched counterparts, the results indicate a significant decrease in the UTS and elongation at break for both notched and notched-fatigued specimens. The LCF pre-treatment contributes to the negative impacts of the notches, resulting in reduced values for the UTS and elongation at break, thus concluding that surface integrity is critical for maintaining the structural strength of aircraft components.

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Notches and Fatigue on Aircraft-Grade Aluminium Alloys

Zichil,

Grigoras,

Ciubotariu

2024

Materials

View full text Add to dashboard Cite

show abstract

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Investigation of high-cycle fatigue property and fatigue crack propagation behavior of a die-forged 2014 aluminum alloy aircraft wheel

Cited by 1 publication

References 42 publications

Notches and Fatigue on Aircraft-Grade Aluminium Alloys

Notches and Fatigue on Aircraft-Grade Aluminium Alloys

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