六.激光热处理技术的新进展在材料科学学科领域内,激光热处理技术从七十年代开始时的自激冷表面相变硬化,发展到激光表面重熔,激光表面合金化,激光表面非晶态处理以及激光脉冲表面冲击硬化和激光束化学热处理等一系列表面改性热处理强化方法,又被纳入高能束表面工程科学,成为其 6. New advances in laser heat treatment technology In the field of material science disciplines, laser heat treatment technology from the beginning of the seventies self-cooling surface phase hardening, the development of the laser surface remelting, laser surface alloying, laser surface amorphous And a series of surface modification heat treatment strengthening methods such as laser pulse surface impact hardening and laser beam chemical heat treatment have also been incorporated into the high energy beam surface engineering science