As a new surface strengthening technology,laser shock processing(laser peening) uses intensepulse laser to produce shock waves on metal surface,which induces strain hardening on the surface of metal.

• 激光冲击强化技术(又称激光喷丸)是利用强脉冲激光产生的压力冲击波在金属材料表层产生应变硬化的一种新型表面强化技术。