工模具材料激光表面强化处理应用与发展
Application and Progress of Laser Surface Strengthening Treatment in Tool and Die Materials
何柏林1, 孙 佳1, 史建平2
作者单位：1. 华东交通大学 载运工具与装备省部共建教育部重点实验室, 江西 南昌 330013; 2. 中国铁道科学研究院, 北京100081
中文关键字：激光表面强化； 工模具材料； 应用
英文关键字：laser surface strengthening; tool and die materials; application
中文摘要：介绍了激光表面淬火、激光表面熔覆、激光表面合金化、激光熔凝的特点和在工模具材料上的应用，通过激光强化处理改善了工模具材料表面硬度、耐磨性、抗疲劳等力学性能。最后指出了实际应用中存在的问题及今后需要深入研究的方向。
英文摘要：The characteristic and application in tool and die materials was reviewed from laser surface hardening, laser surface fusing together, laser surface alloying and cladding. The materials properties such as surface hardness, wear resistance, fatigue resistance and ect. were improved through laser strengthening treating. Finally, the existent problems and research direction were pointed out.