Abstract
TiC-based coating is prepared by depositing TiO2 sol on cemented carbide compact and liquid phase sintering. TiC forms due to carbothermal reduction reaction of TiO2 and then reacts with WC and transforms to TiC-based solid solution. Ti content changes the WC growth mechanism and results in the multi-stepped morphology. When sintered cemented carbide is used as substrate, WC keeps the equilibrium truncated triangle prism morphology due to the relatively weak diffusion among Ti, WC, and Co.
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The work is financially supported by the National Natural Science Foundation of China (No. 51302023).
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Yang, M., Guo, Z., Qi, K. et al. Microstructure of TiC-Based Coatings on Cemented Carbide Derived by Sol-Gel Routes. Metall Mater Trans A 48, 584–588 (2017). https://doi.org/10.1007/s11661-016-3887-7
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DOI: https://doi.org/10.1007/s11661-016-3887-7