SLPC Poster Session

[SLPCp-16] Nanosecond double-pulse laser irradiation for efficient laser peening

*Akio Geshiro¹, Tomohiro Shimotsuma¹, Miho Tsuyama¹, Manabu Heya², Hitoshi Nakano¹ (1. Faculty of Science and Engineering , Kindai University, 2. Faculty of Engineering , Kindai University)

In this study, double-pulsed laser irradiation has been adopted for efficient laser peening. The hardness difference has the dependence on the pre-pulse intensity and is efficient for the delay time of 10 ns. Double-pulsed laser was found to be an effective for laser peening.