2015
DOI: 10.1016/j.matdes.2014.09.001
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Investigation on effect of laser shock processing on fatigue crack initiation and its growth in aluminum alloy plate

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Cited by 52 publications
(27 citation statements)
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“…The difference found between the two standards is that the ASTM: E466-07 is 0.55-0.80 × 10 5 cycles more than the ASTM E8/E8M standard. In addition, the double side laser peening is carried out for the fatigue test specimens [47,48]. The fatigue cycle of WLSP specimen is much better than LSP specimen which is clear from the results (Fig.…”
Section: Fatigue Test and Fracture Morphology Analysismentioning
confidence: 87%
“…The difference found between the two standards is that the ASTM: E466-07 is 0.55-0.80 × 10 5 cycles more than the ASTM E8/E8M standard. In addition, the double side laser peening is carried out for the fatigue test specimens [47,48]. The fatigue cycle of WLSP specimen is much better than LSP specimen which is clear from the results (Fig.…”
Section: Fatigue Test and Fracture Morphology Analysismentioning
confidence: 87%
“…Before laser irradiation, the sample surface to be processed was coated with a black tape and a flowing water curtain in sequence. The black tape was served as an ablative medium, and the flowing water was used as a confining layer [15,16]. Of particular note is that the sample was treated by one single laser spot with one time.…”
Section: Methodsmentioning
confidence: 99%
“…This is because that the compressive stress generates in surface layer after LSP, it counters the tensile stress, and transforms the tensile stress state into compressive state, which results in an increase in resistance to fatigue crack initiation in the surface layer. Thus, the crack initiation after LSP is changed from surface to subsurface [20]. If there are no defects in material, crack initiation generally formed on the surface of material [21], just as Figure 7(a).…”
Section: Effects Of Lsp Treatment On the Fracture Morphologymentioning
confidence: 99%