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用 X射线衍射仪、SEM、TEM和电子探针研究了稀土氧化物 Ce O2 对 Ni6 0 - WC激光熔敷层的相结构、显微组织以及腐蚀磨损性能的影响。试验结果表明 ,Ni6 0 +2 0 % WC+0 .5 % Ce O2 熔敷层的抗腐蚀磨损性能最好。
The effects of rare earth oxide Ce O2 on the phase structure, microstructure and corrosion and wear properties of Ni6 0 - WC laser cladding layer were studied by XRD, SEM, TEM and electron probe. The results show that the corrosion resistance of Ni 6 0 + 20% WC + 0.5% Ce O 2 coating is the best.