In this paper are introducel mechanism of laser quenching technique, optimization of lasser beam, complex technique, method of surface pre-treatment qienching and application of laser quenching.

• 本文介绍了激光淬火工艺的机理,光束的优化,复合工艺,淬火的方法,淬火表面预处理的方法和淬火相变硬化的应用