Residual Stress In Geometric Features Subjected To Laser Shock Peening

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Fatigue behaviour of geometric features subjected to laser

Laser shock peening (LSP) uses high power laser pulses (typical process parameters are power = 1-25 J, pulse duration = 18-30 ns, laser beam size < 10 mm) to generate an advantageous residual surface stress distribution in structural components (e.g. for airframe

Residual stress in geometric features subjected to laser

Residual stress in geometric features subjected to laser shock peening M. Achintha1*, D. Nowell2 1 Engineering and the Environment, University of Southampton, UK 2 Department of Engineering Science, University of Oxford, UK * Corresponding author: Engineering and the Environment, University of Southampton, Southampton, SO17 1BJ, UK.

7049 AL-Alloy Fatigue Behavior under Black Paint Laser Peening

Keywords: Aluminum alloy, black Paint Laser (bPL), fatigue strength, residual stress cumulative fatigue life, Laser shock peening (LSP), fatigue crack growth (FCG). ةثيدح ا ةدئرا ا قرط ا نم ربتعت دوسأ ءلاط نم ةقبطب اهئلاط دعبو رزيل ا ةعشأ ةطساوب نداعم ا حوطس ةج اعم