磁场深冷处理对YG11C硬质合金耐磨性的影响

doi:10.13251/j.issn.0254-6051.2021.08.034

金属热处理 ›› 2021, Vol. 46 ›› Issue (8): 184-188.DOI: 10.13251/j.issn.0254-6051.2021.08.034

磁场深冷处理对YG11C硬质合金耐磨性的影响

兰东生, 闫献国, 陈峙, 蒋一江, 原瑞泽, 姚永超, 苏杭

太原科技大学机械工程学院, 山西太原 030024

收稿日期:2021-03-18 出版日期:2021-08-25 发布日期:2021-12-09
通讯作者: 闫献国,教授,博士生导师,E-mail:yanxianguo@tyust.edu.cn
作者简介:兰东生(1993—),男,硕士研究生,主要研究方向为先进制造技术,E-mail:1032560876@qq.com。
基金资助:
国家自然科学基金(51675363);太原科技大学博士启动基金(20162026)

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

Lan Dongsheng, Yan Xianguo, Chen Zhi, Jiang Yijiang, Yuan Ruize, Yao Yongchao, Su Hang

School of Mechanical Engineering, Taiyuan University of Science and Technology, Taiyuan Shanxi 030024, China

Received:2021-03-18 Online:2021-08-25 Published:2021-12-09

摘要/Abstract

摘要： 基于深冷处理提供的温度场和永磁体提供的匀强磁场,对YG11C硬质合金进行磁场深冷处理,并与常规工艺和深冷处理工艺进行了对比分析。结果表明: 深冷处理较常规处理,其耐磨性提高了约35%,磁场深冷处理相应降低了约21%。在微观机理上,深冷处理后合金中η相碳化物数量增加是耐磨性提高的主因。磁场深冷新工艺处理后,合金中α-Co向ε-Co 转变增多,使得粘结相变脆且塑性变形能力降低,从而使得耐磨性降低。

关键词: YG11C硬质合金, 深冷处理, 磁场, 耐磨性

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

中图分类号:

TG156.91

兰东生, 闫献国, 陈峙, 蒋一江, 原瑞泽, 姚永超, 苏杭. 磁场深冷处理对YG11C硬质合金耐磨性的影响[J]. 金属热处理, 2021, 46(8): 184-188.

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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磁场深冷处理对YG11C硬质合金耐磨性的影响

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

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