What question did this study set out to answer?

This research aims to investigate the effects of cavitation water peening on the fatigue life of welded joints and develop a prediction model for assessing fatigue life.

March 10, 2026Fatigue & Fracture of Engineering Materials & Structures

An Engineering Prediction Model on Fatigue Life of Welded Joints Under Cavitation Water Peening Treatment

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This research aims to investigate the effects of cavitation water peening on the fatigue life of welded joints and develop a prediction model for assessing fatigue life.
Analyzed the effects of cavitation water peening on microhardness and residual stress of 316L stainless steel welded joints.
Investigated the tensile and fatigue properties post-treatment.
Developed a dual-stage life prediction model incorporating a cyclic stress relaxation equation.
Cavitation water peening increases fatigue strength by converting tensile residual stress to compressive stress.
A quantitative relationship between microhardness and mechanical properties is established.
The new engineering prediction model improves accuracy in fatigue life assessment for welded structures.

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Implication

Demonstrates enhanced fatigue strength through cavitation water peening in welded structures, suggesting improved service life.

Cite This Study

Luo et al. (2026) studied this question.

synapsesocial.com/papers/69af95a470916d39fea4d643 https://doi.org/10.1111/ffe.70227

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An Engineering Prediction Model on Fatigue Life of Welded Joints Under Cavitation Water Peening Treatment

Key Points

Discussion

Implication

Cite This Study

An Engineering Prediction Model on Fatigue Life of Welded Joints Under Cavitation Water Peening Treatment

Key Points

Discussion

Implication

Cite This Study

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