激光工艺参数对TiC增强钴基合金激光熔覆层组织及性能的影响

童文辉, 张新元, 李为轩, 刘玉坤, 李岩, 国旭明

Effect of Laser Process Parameters on the Microstructure and Properties of TiC Reinforced Co-Based Alloy Laser Cladding Layer

TONG Wenhui, ZHANG Xinyuan, LI Weixuan, LIU Yukun, LI Yan, GUO Xuming

表1 球墨铸铁基体和钴基合金粉末的化学成分 (mass fraction / %)

Table 1 Chemical compositions of nodular cast iron and Co-based alloy powder

Material C Cr Si W Fe Mo Ni Mn B Co Nodular cast iron 3.60 - 2.71 - Bal. - - 0.42 - - Co-based alloy powder 0.2 21.0 1.6 4.5 3.0 0.4 4.0 0.3 2.4 Bal.