This task adopted boron, silicon, and chromium to enhance hardncss andwearability of cladding, lanthanon to advance whole performance of cladding,and nickel to improve resistance crack.

• 通过成分设计、工艺试验、组织与性能分析和模糊综合评价，找到了获得比较理想的BSiNiCr稀土系列铁基合金激光熔覆层的激光熔覆工艺与配方成分。