激光表面处理是改善材料硬度、耐磨性和抗蚀性的有效途径.对钛及钛合金激光表面处理(激光表面合金化、激光熔覆和激光表面熔化)因可拓展其应用领域而备受关注.本文结合近年来的研究报道,全面综述2种激光表面处理即激光表面气体氮化和激光粉末合金化的影响因素,激光表面处理后表层组织、性能、缺陷控制以及激光参数的优化.在此基础上,阐述了目前存在的问题和今后的发展方向.
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