回火温度对颗粒增强型低合金耐磨钢组织和性能的影响

doi:10.13251/j.issn.0254-6051.2022.03.001

金属热处理 ›› 2022, Vol. 47 ›› Issue (3): 1-6.DOI: 10.13251/j.issn.0254-6051.2022.03.001

• 工艺研究 • 下一篇

回火温度对颗粒增强型低合金耐磨钢组织和性能的影响

黄龙^1,2, 邓想涛¹, 王昭东¹

1.东北大学轧制技术及连轧自动化国家重点实验室, 辽宁沈阳 110819;
2.中国科学院金属研究所, 辽宁沈阳 110016

收稿日期:2021-10-16 修回日期:2021-12-25 出版日期:2022-03-25 发布日期:2022-04-22
通讯作者: 邓想涛,副教授,E-mail:dengxiangtao123@163.com
作者简介:黄龙(1990—),男,助理研究员,博士,主要研究方向为低合金耐磨钢组织性能调控及磨损行为,E-mail:huanglong@imr.ac.cn。
基金资助:
国家重点研发计划(2017YFB0305100);山东省重大科技创新工程项目(2018YFJH0101)

Effect of tempering temperature on microstructure and properties of particle reinforced low-alloyed wear resistant steel

Huang Long^1,2, Deng Xiangtao¹, Wang Zhaodong¹

1. State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang Liaoning 110819, China;
2. Institute of Metal Research, Chinese Academy of Sciences, Shenyang Liaoning 110016, China

Received:2021-10-16 Revised:2021-12-25 Online:2022-03-25 Published:2022-04-22

摘要/Abstract

摘要： 研究了不同回火温度下颗粒强化型低合金耐磨钢的微观组织、力学性能和耐磨性能,确定了最佳的回火工艺。结果表明,轧制态颗粒强化型低合金耐磨钢中均匀弥散分布着大量微米级和纳米级TiC析出。回火温度升高,基体中ε-碳化物增多,试验钢的屈服强度整体上先升高后降低,抗拉强度、硬度和冲击吸收能量逐渐降低,伸长率逐渐升高,在200 ℃低温回火时,试验钢表现出最优的综合力学性能,同时表现出最佳的三体磨料磨损性能。

关键词: 低合金耐磨钢, TiC颗粒, 回火处理, 磨料磨损, 组织性能

Abstract: Microstructure, mechanical properties and wear resistance of particle reinforced low-alloyed wear resistant steel tempered at different temperatures were studied. The results show that a large number of micron-scale and nanoscale TiC particles are uniformly dispersed in the rolled particle reinforced low-alloyed wear resistant steel. With the tempering temperature increasing, more ε-carbides are precipitated in the matrix, the yield strength of the tested steel overall increases first and then decreases, the tensile strength, hardness and impact absorbed energy gradually decrease, while the elongation gradually increases. The tested steel shows the best comprehensive mechanical properties and three-body abrasive wear properties when tempered at 200 ℃.

Key words: low-alloyed wear resistant steel, TiC particles, tempering treatment, abrasive wear, microstructure and properties

中图分类号:

TG142.1

黄龙, 邓想涛, 王昭东. 回火温度对颗粒增强型低合金耐磨钢组织和性能的影响[J]. 金属热处理, 2022, 47(3): 1-6.

Huang Long, Deng Xiangtao, Wang Zhaodong. Effect of tempering temperature on microstructure and properties of particle reinforced low-alloyed wear resistant steel[J]. Heat Treatment of Metals, 2022, 47(3): 1-6.

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回火温度对颗粒增强型低合金耐磨钢组织和性能的影响

Effect of tempering temperature on microstructure and properties of particle reinforced low-alloyed wear resistant steel

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