Influence of Decomposition and Microstructure Evolution of cBN on the Wear Resistance of Ti-Based cBN Composite Coatings Deposited by High-Speed Laser Cladding
IF 3.3 3区 材料科学Q2 MATERIALS SCIENCE, COATINGS & FILMS
Bi Zhi-jiang, Liu Kang-cheng, Cai Zhi-hai, Chen Tian-hui, Shuai Ruo-hui, Zhou Ji, Lou Li-Yan, Liu Yi, Wang Hai-Dou, Li Cheng-Xin
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引用次数: 0
Abstract
cBN particles reinforced Ti-based composite coatings were prepared by high-speed laser cladding technology in this paper. The thermal decomposition and the evolution behavior of cBN particles during the cladding process were investigated, with the generation of reinforced phases clarified. The solidification structure of the coating and its relationship with hardness, tribological property were also analyzed. The results showed that reinforced phases TiN and TiB could be in- suit synthesized due to the decomposition of cBN. And the content of the residual cBN and the newly formed TiN and TiB could be optimized through the process parameters. The microhardness of the coating can be increased from 610 ± 40HV0.3 to 1217 ± 1HV0.3, with the wear loss reduced by 56%.
期刊介绍：
From the scientific to the practical, stay on top of advances in this fast-growing coating technology with ASM International''s Journal of Thermal Spray Technology. Critically reviewed scientific papers and engineering articles combine the best of new research with the latest applications and problem solving.
A service of the ASM Thermal Spray Society (TSS), the Journal of Thermal Spray Technology covers all fundamental and practical aspects of thermal spray science, including processes, feedstock manufacture, and testing and characterization.
The journal contains worldwide coverage of the latest research, products, equipment and process developments, and includes technical note case studies from real-time applications and in-depth topical reviews.
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