喷丸处理对高强渗碳齿轮钢旋转弯曲疲劳性能的影响

doi:10.13251/j.issn.0254-6051.2026.01.043

金属热处理 ›› 2026, Vol. 51 ›› Issue (1): 279-287.DOI: 10.13251/j.issn.0254-6051.2026.01.043

喷丸处理对高强渗碳齿轮钢旋转弯曲疲劳性能的影响

陈为浩^1,2, 许自宽^1,2, 谷雪忠^1,2, 谷金波³, 迟宏宵³, 王斌^1,2, 张鹏^1,2, 张哲峰^1,2

1.中国科学院金属研究所沈阳材料科学国家研究中心, 辽宁沈阳 110016;
2.中国科学技术大学材料科学与工程学院, 辽宁沈阳 110016;
3.钢铁研究总院有限公司特殊钢研究院, 北京 100081

收稿日期:2025-07-28 修回日期:2025-10-24 出版日期:2026-01-25 发布日期:2026-01-27
通讯作者: 许自宽,助理研究员,博士,E-mail:zkxu16s@imr.ac.cn
作者简介:陈为浩(1999—),男,博士研究生,主要研究方向为不同表面处理齿轮钢的旋转弯曲疲劳性能与损伤机理,E-mail:whchen22s@imr.ac.cn。
基金资助:
国家科技重大专项(J2019-VI-0019-0134)

Effect of shot peening treatment on rotating bending fatigue performance of high-strength carburized gear steel

Chen Weihao^1,2, Xu Zikuan^1,2, Gu Xuezhong^1,2, Gu Jinbo³, Chi Hongxiao³, Wang Bin^1,2, Zhang Peng^1,2, Zhang Zhefeng^1,2

1. Shenyang National Laboratory Center for Materials Science, Institute of Metal Research, Chinese Academy of Science, Shenyang Liaoning 110016, China;
2. School of Materials Science and Engineering, University of Science and Technology of China, Shenyang Liaoning 110016, China;
3. Research Institute of Special Steels, Central Iron and Steel Research Institute Co., Ltd., Beijing 100081, China

Received:2025-07-28 Revised:2025-10-24 Online:2026-01-25 Published:2026-01-27

摘要/Abstract

摘要： 对渗碳高强齿轮钢分别进行不同强度的喷丸处理(0.2、0.3和0.4 mmA),并测试、表征和分析了试样的表面损伤、残余应力、显微硬度和旋转弯曲疲劳强度及失效机制。结果表明:随喷丸强度增加,试样的表面粗糙度逐渐增大,并且0.3和0.4 mmA喷丸试样表面出现缺陷和断裂碳化物;喷丸处理后试样的残余压应力显著提升,但由于表面损伤导致0.3和0.4 mmA喷丸试样的近表面残余压应力发生松弛;随着喷丸强度增加,试样的疲劳强度呈先升后降的趋势,其中0.2 mmA喷丸试样的疲劳强度最优,而0.3和0.4 mmA喷丸试样中发现距表面100~250 μm处的聚集碳化物出现裂纹,导致其疲劳性能下降。

关键词: 渗碳齿轮钢, 喷丸, 表面损伤, 残余应力, 旋转弯曲疲劳

Abstract: The surface damage, residual stress, microhardness, rotating bending fatigue strength and cracking mechanism of carburized high-strength gear steel after shot peening with different intensities (0.2, 0.3 and 0.4 mmA) were tested, characterized and analyzed. The results show that the surface roughness of the specimens gradually increases with the increase of shot peening intensity, and defects and fractured carbides emerge on the surfaces of the 0.3 and 0.4 mmA specimens. The residual compressive stress of the specimens is significantly enhanced after shot peening. However, surface damage causes relaxation of the near surface residual compressive stress in the 0.3 and 0.4 mmA specimens. The fatigue strength of the specimens increases first and then decreases with the increase of shot peening intensity, and the 0.2 mmA specimen has the optimal fatigue strength, while the cracks found in the aggregated carbides at 100-250 μm from the surface in the 0.3 and 0.4 mmA specimens result in a decrease in fatigue performance.

Key words: carburized gear steel, shot peening, surface damage, residual stress, rotating bending fatigue

中图分类号:

TG142.1

陈为浩, 许自宽, 谷雪忠, 谷金波, 迟宏宵, 王斌, 张鹏, 张哲峰. 喷丸处理对高强渗碳齿轮钢旋转弯曲疲劳性能的影响[J]. 金属热处理, 2026, 51(1): 279-287.

Chen Weihao, Xu Zikuan, Gu Xuezhong, Gu Jinbo, Chi Hongxiao, Wang Bin, Zhang Peng, Zhang Zhefeng. Effect of shot peening treatment on rotating bending fatigue performance of high-strength carburized gear steel[J]. Heat Treatment of Metals, 2026, 51(1): 279-287.

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喷丸处理对高强渗碳齿轮钢旋转弯曲疲劳性能的影响

Effect of shot peening treatment on rotating bending fatigue performance of high-strength carburized gear steel

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