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Effects of Mo Contents in Matrix on Microstructure and Properties of Vanadium Carbide Coating Formed by Thermal Diffusion Treatment

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Abstract

Thermal diffusion salt-bath vanadizing was finished for Cr12MoV die steel, in order to investigate the properties of vanadium carbide coatings related with the Mo contents in Cr12MoV die steel. Scanning electron microscopic observation reveals that Mo can decrease the growth rate of coating as a carbide forming element. Besides, Mo element can promote grain refinement of the coating. X-ray diffraction analysis shows that the different Mo contents have no influence on the phase structure of the coatings. Energy dispersive spectrum analysis and mechanical properties test show that Mo can diffuse into the coating and make a strengthening effect on the coating.

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Authors and Affiliations

  1. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, China

    Zhi-tao Huang (Doctor) & Wen-huai Tian

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  1. Zhi-tao Huang
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  2. Wen-huai Tian
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Correspondence to Zhi-tao Huang.

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Foundation Item: Item Sponsored by National Natural Science Foundation of China (50671012)

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Huang, Zt., Tian, Wh. Effects of Mo Contents in Matrix on Microstructure and Properties of Vanadium Carbide Coating Formed by Thermal Diffusion Treatment. J. Iron Steel Res. Int. 21, 104–108 (2014). https://doi.org/10.1016/S1006-706X(14)60016-9

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  • DOI: https://doi.org/10.1016/S1006-706X(14)60016-9

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