超高速激光原位熔覆Ti(C, B)/Ni60A复合涂层的界面特征与表面磨损机理

徐一斐, 张楠, 许培鑫, 杜博睿, 史华, 王淼辉

Interfacial Characterization and Surface Wear Mechanism of Ti(C, B)/Ni60A Composite Coating Prepared by In Situ Extra High-Speed Laser Cladding

XU Yifei, ZHANG Nan, XU Peixin, DU Borui, SHI Hua, WANG Miaohui

表1 预合金粉末的制备方法、粒径尺寸及图1中点1~3的EDS结果

Table 1 Preparation methods and particle size of pre-alloyed powders, and EDS results of points 1-3 in Fig.1

Point Material Preparation method Particle Mass fraction / % size / μm Ni Cr Mo Si Fe Nb Ti V Zr Al C B 1 Ni60A VIGA 15-53 69.77 16.60 - 4.40 5.54 - - - - - 0.88 2.81 2 TA185 PREP ≤ 15 - - - - 6.51 - 82.59 8.85 - 2.05 - - 3 B4C Carbothermal reduction 1-5 - - - - - - 0.10 0.05 0.05 0.80 32.9 66.1