摘要
介绍了利用大功率CO2 激光束在A3 钢表面制备高硬质金属陶瓷TiC B4C SiC Co的方法 ,并对不同扫描速度下熔覆层的组织形态、显微硬度、合金层成分、耐磨损等性能进行了分析。结果表明 ,利用激光在低质钢材表面涂覆碳化物陶瓷 ,经激光处理后 ,能使低质钢材表面的化学成分发生根本性变化 ,表面硬度和耐磨性均有很大的提高。
In order to improve the surface performance of A 3 steel,we utilize a high power CO 2 laser beam to treat TiC B 4C SiC Co clad surface. It is obvious that the laser beam scanning speed is a important factor on the structure,hardness and resistance to abrasion of the alloy surface . This paper introduces the experimental research procedure,and the experimental results,which are useful to select the beam scanning and other technical parameters.
出处
《激光技术》
CAS
CSCD
北大核心
2003年第5期396-397,399,共3页
Laser Technology
关键词
激光熔覆
金属陶瓷
显徽硬度
A3钢
laser cladding
metal ceramic
microstructure hardness
A 3 steel
