期刊
JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
卷 12, 期 4, 页码 414-419出版社
SPRINGER
DOI: 10.1361/105994903770342944
关键词
2024-T351; dual treatment; four-point fatigue testing; laser shock peening; shot peening
The influence of shot peening, laser shock peening, and dual (shot and laser peening) treatment on the fatigue behavior of 2024-T351 was investigated. Tests showed a fatigue life improvement in all three cases with laser shock peening and dual treatment displaying fatigue performance superior to shot peening. Fractographic analysis showed that the relatively poor performance of the shot peening is caused by ductility loss.
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