Effect of magnetic field cryogenic treatment on wear resistance of YG11C cemented carbide

doi:10.13251/j.issn.0254-6051.2021.08.034

Abstract

Abstract: Based on the temperature field provided by cryogenic treatment and the uniform magnetic field provided by permanent magnets, the magnetic field cryogenic treatment of YG11C cemented carbide was carried out, and compared with that of the conventional and cryogenic treatment processes. The results show that the wear resistance of the cryogenic treated YG11C cemented carbide is about 35% higher than that of conventional treatment, and that of the magnetic field cryogenic treated is about 21% lower. The main reason for the improvement of wear resistance is that the amount of η phase carbide in the alloy increases. After magnetic field cryogenic treatment, the transformation from α-Co to ε-Co increases, which results in that the bonding phases are more brittle and the plastic deformation capacity is reduced, so that the wear resistance is reduced.

Key words: YG11C cemented carbide, cryogenic treatment, magnetic field, wear resistance

CLC Number:

TG156.91

Lan Dongsheng, Yan Xianguo, Chen Zhi, Jiang Yijiang, Yuan Ruize, Yao Yongchao, Su Hang. Effect of magnetic field cryogenic treatment on wear resistance of YG11C cemented carbide[J]. Heat Treatment of Metals, 2021, 46(8): 184-188.

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