激光冲击E690高强钢表面应变预测模型的建立

doi:10.13251/j.issn.0254-6051.2020.10.043

金属热处理 ›› 2020, Vol. 45 ›› Issue (10): 225-230.DOI: 10.13251/j.issn.0254-6051.2020.10.043

激光冲击E690高强钢表面应变预测模型的建立

王帅¹, 杨阳², 花国然¹, 曹宇鹏¹, 葛良辰¹, 仇明³

1.南通大学机械工程学院, 江苏南通 226019;
2.南通振华重型装备制造有限公司, 江苏南通 226017;
3.南通中远海运船务工程有限公司, 江苏南通 226006

收稿日期:2020-03-26 出版日期:2020-10-25 发布日期:2020-12-29
通讯作者: 花国然,教授,博士,E-mail: Huagr@ntu.edu.cn
作者简介:王帅(1996—),男,硕士研究生,主要研究方向为激光加工,E-mail:1810310026@stmail.ntu.edu.cn。
基金资助:
中国博士后科学基金面上项目(2019M651931);国家高技术船舶科研项目(工信部装函[2019]360号);南通市基础科学研究项目(JC2018029,JC2019059)

Establishment of surface strain prediction model of E690 high strength steel by laser shock processing

Wang Shuai¹, Yang Yang², Hua Guoran¹, Cao Yupeng¹, Ge Liangchen¹, Qiu Ming³

1. School of Mechanical Engineering, Nantong University, Nantong Jiangsu 226019, China;
2. Nantong Zhenhua Heavy Equipment Co., Ltd., Nantong Jiangsu 226017, China;
3. Nantong COSCO Shipping Engineering Co., Ltd., Nantong Jiangsu 226006, China

Received:2020-03-26 Online:2020-10-25 Published:2020-12-29

摘要/Abstract

摘要： 利用ABAQUS有限元软件对激光冲击波加载E690高强钢表面应变及应力变化过程进行仿真,分析了在不同冲击波压力下塑性形变与应力云图的关系,建立了激光冲击E690高强钢表面应变预测模型,并设计试验验证了该模型的准确性。结果表明,激光冲击下E690高强钢的动态响应遵循Hugoniot弹性极限公式,激光脉冲诱导的冲击波在E690高强钢表面引起的塑性形变与其表面的残余压应力成正相关,试验结果与仿真结果具有较好的一致性。

关键词: 激光冲击强化, ABAQUS, 表面应变, 残余应力

Abstract: The ABAQUS finite element software was used to simulate the transformation of the surface strain and stress of E690 high strength steel loaded by laser shock wave, and the relationship between the stress diagram and plastic deformation under different shock wave pressures was analyzed. The strain prediction model of the E690 high strength steel by laser shock processing was established, and the model to verify accuracy of the experiment was designed. The results show that, the dynamic response of the E690 high strength steel under laser shock processing follows the Hugoniot elastic limit formula. The plastic deformation caused by the laser shock processing on the surface of the E690 high strength steel has a positive correlation with the residual stress of the surface. The experimental results are in good agreement with the simulation results.

Key words: laser shock processing, ABAQUS, surface strain, residual stress

中图分类号:

王帅, 杨阳, 花国然, 曹宇鹏, 葛良辰, 仇明. 激光冲击E690高强钢表面应变预测模型的建立[J]. 金属热处理, 2020, 45(10): 225-230.

Wang Shuai, Yang Yang, Hua Guoran, Cao Yupeng, Ge Liangchen, Qiu Ming. Establishment of surface strain prediction model of E690 high strength steel by laser shock processing[J]. Heat Treatment of Metals, 2020, 45(10): 225-230.

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激光冲击E690高强钢表面应变预测模型的建立

Establishment of surface strain prediction model of E690 high strength steel by laser shock processing

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