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March 10, 2026Fatigue & Fracture of Engineering Materials & Structures0 citations

Fatigue Mechanism and Residual Stress Stabilization in 2024 Aluminum Alloy

Fatigue Mechanism and Residual Stress Stabilization Principle of 2024 Aluminum Alloy Subjected to Ultrasonic Surface Rolling Process

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Authors

PWPai WangHCHongtao ChenZLZhibing Liu

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Overview

This analysis demonstrates improvements in fatigue properties of 2024 aluminum alloy after ultrasonic surface rolling, indicating potential for enhanced material performance.

Key Points

  • The aim is to investigate how ultrasonic surface rolling affects fatigue properties and residual stress in 2024 aluminum alloy.
  • Analyzed surface integrity of USRP-treated 2024 aluminum alloy samples.
  • Examined fatigue properties after multiple USRP passes.
  • Investigated the relaxation behavior of compressive residual stresses.
  • USRP treatment decreased surface roughness and increased microhardness.
  • Enhanced fatigue performance linked to work hardening and microstructural refinement.
  • With increased USRP passes, compressive residual stress became more significant, improving stability but introducing surface microdefects.
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Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/69af951a70916d39fea4c5a6https://doi.org/10.1111/ffe.70232
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