The microstructure, hardness and wear resistance of gray cast iron with detonation-sprayed Cr₃C₂ and Ni – Cr coatings are studied. It is shown that the Cr₃C₂ coating has stronger adhesion to the gray cast iron substrate and provides higher hardness and wear resistance than the Ni – Cr coating.

中文翻译：

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爆轰喷涂 Cr3C2 和 Ni-Cr 涂层对灰口铸铁齿轮性能的影响

_{研究了爆轰喷涂Cr 3} C ₂和Ni-Cr涂层灰口铸铁的显微组织、硬度和耐磨性。结果表明，Cr ₃ C ₂涂层对灰铸铁基体的附着力更强，比Ni-Cr涂层具有更高的硬度和耐磨性。