金属表面薄橡胶铺层对喷丸质量的影响

doi:10.13251/j.issn.0254-6051.2023.06.049

金属热处理 ›› 2023, Vol. 48 ›› Issue (6): 291-296.DOI: 10.13251/j.issn.0254-6051.2023.06.049

• 测试与分析 • 上一篇

金属表面薄橡胶铺层对喷丸质量的影响

范俊锴¹, 刘帅^1,2, 贾增辉¹, 赵武¹, 刘伟¹

1.河南理工大学机械与动力工程学院, 河南焦作 454000;
2.黄河交通学院机电工程学院, 河南武陟 454950

收稿日期:2022-12-12 修回日期:2023-04-16 发布日期:2023-08-11
作者简介:范俊锴(1986—),男,副教授,博士,主要研究方向为射流加工技术及装备,E-mail:junkaifan@hpu.edu.cn
基金资助:
国家自然科学基金(51405136);河南省科技厅科技攻关项目(212102210004);河南理工大学青年骨干教师资助计划(2020XQG-01);河南理工大学创新团队(T2019-5);河南理工大学机械工程重点学科资助项目

Effect of thin rubber layer on shot peening quality of metal surface

Fan Junkai¹, Liu Shuai^1,2, Jia Zenghui¹, Zhao Wu¹, Liu Wei¹

1. School of Mechanical and Power Engineering, Henan Polytechnic University, Jiaozuo Henan 454000, China;
2. School of Mechanical and Electrical Engineering, Huanghe Jiaotong University, Wuzhi Henan 454950, China

Received:2022-12-12 Revised:2023-04-16 Published:2023-08-11

摘要/Abstract

摘要： 建立了多丸粒喷丸有限元分析模型, 对比分析了薄橡胶铺层对Q235钢表面喷丸质量的改善作用, 并通过试验加以验证。结果表明, 与传统喷丸相比较, 薄橡胶铺层在降低试样表面粗糙度的同时, 还能够提升表面残余压应力, 但残余压应力层的深度范围有所减小。薄橡胶铺层的厚度是影响残余压应力层深度的关键因素。薄橡胶层提高了试样表面的丸粒冲击作用面积, 延长了冲击作用时间, 高速丸粒的单点冲击能量得以有效分散, 在保证工件表层残余压应力场强度与传统喷丸基本一致的前提下, 使试样表面喷丸质量得以提升。

关键词: 喷丸, 薄橡胶, 粗糙度, 残余压应力, 有限元

Abstract: Finite element analysis model of multiple shot peening was established to analyze the improvement effect of thin rubber layer on the surface shot peening quality of Q235 steel and compared with the traditional shot peening method, and then it was verified by experiments. The results show that compared with the traditional shot peening, paving thin rubber layer can improve the surface residual compressive stress while reducing the surface roughness of the specimen, but the depth range of the residual compressive stress layer is reduced. The thickness of thin rubber layer is the key factor affecting the depth of residual compressive stress layer. The thin rubber layer increases the impact area of the shot peening on the surface of the specimen, prolongs the impact time, and effectively disperses the single shot impact energy, so that the shot peening quality of the specimen surface can be improved on the premise that the strength of the residual compressive stress field on the surface of the specimen is basically the same as that of the traditional shot peening.

Key words: shot peening, thin rubber layer, surface roughness, residual compressive stress, finite element method

中图分类号:

TG147

范俊锴, 刘帅, 贾增辉, 赵武, 刘伟. 金属表面薄橡胶铺层对喷丸质量的影响[J]. 金属热处理, 2023, 48(6): 291-296.

Fan Junkai, Liu Shuai, Jia Zenghui, Zhao Wu, Liu Wei. Effect of thin rubber layer on shot peening quality of metal surface[J]. Heat Treatment of Metals, 2023, 48(6): 291-296.

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金属表面薄橡胶铺层对喷丸质量的影响

Effect of thin rubber layer on shot peening quality of metal surface

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