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Study on the Wear Resistance of Micro-Nanostructured WC Composite Coating Sintered by Induced Heating

Zhen Ting Wang, Hua Hui Chen

Abstract

Micro-nanostructured WC composite coatings were successfully fabricated by induced heating sintering method on the surface of Q235 steel .The microstructure, micro-hardness and the wear resistance of the composite coatings were studied .The results show that the microstructure of induced heat layer is mainly composed of Ni-based solid solutions and WC particles. And there exists excellent metallurgical bonding between coating and substrate. The wear resistance of micro-nanostructured WC Composite Coatings is increased by 1.5 times on an average as compared with that of micron.

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Key concepts: Materials science, Microstructure, Composite number, Wear resistance, Sintering, Coating, Composite material, Layer (electronics)