表面强化技术及其在铜合金中的应用

Surface Modification Technology and Its Application in Copper Alloy

铜及铜合金表面改性研究的重要性,在于在不改变铜基体各项性能的基础上,采用各种表面技术改善或提高材料的表面性能,从而增强耐磨性、耐腐蚀性,延长使用寿命,提高经济效益。本文讨论了铸渗法、表面内氧化、爆炸喷涂、辉光离子渗钛、激光熔覆在铜及铜合金中的应用,其中重点探讨了激光熔覆在铜合金表面改性中的应用,并对激光熔覆在铜及铜合金中应用中出现的问题以及今后发展的方向进行了详细的论述。

It is important that surface modification technology can improve the surface property of copper alloy without altering the property of copper substrate. The current research situation of surface modification technology of copper matrix materials is discussed in the paper. Among these technologies, laser is a powerful tool for the surface modification of metals in improving their wearable and resistance corrosion properties. Laser cladding on the surface of copper matrix materials can be carried out to increase the surface hardness or to obtain new surface materials. The influential factors of laser cladding on copper matrix materials and the development prospect of the technique are also pointed out in the paper.