快速凝固是最近十多年来最引人注目的一个材料科学新领域,到目前为止已发展形成多种快冷新工艺和新材料。工艺分为雾化金属法(氩气雾化法、氦气下离心强制对流冷却雾化法、超声雾化法等)、溅射速冷法(钻锤法,单辊法、双辊法等)和束流辐照快速熔凝法(激光、电子束、离子束)三大类。上述快冷工艺尚处在不断发展提高和完善阶段,如在激光快冷工艺中,使交互作用时间 Rapid solidification is one of the most attractive new fields of materials science in recent ten years. So far, a variety of rapid cooling new processes and materials have been developed. The process is divided into atomized metal method (argon atomization method, centrifugal forced convection cooling under helium atomization method, ultrasonic atomization method, etc.), rapid cooling sputtering method (drill hammer method, single roll method, double roll method ) And beam irradiation rapid fusion method (laser, electron beam, ion beam) three categories. The fast cooling process is still in the continuous improvement and improvement stage, such as laser fast cooling process, the interaction time