X80钢超声表面滚压加工残余应力场的有限元模拟
Finite Element Modelling of Residual Stress Field on X80 Steel after Ultrasonic Surface Rolling Process
摘 要
建立了超声表面滚压加工(USRP)的接触分析模型, 模拟了X80钢的USRP过程, 分析了等效塑性应变和残余应力的分布, 并将残余应力的模拟结果与实测结果进行比较。结果表明: X80钢经USRP处理后表层发生了剧烈的塑性变形, 并产生了残余压应力; 随着距表面的深度增大,表层的残余压应力逐渐减小, 并转变为残余拉应力; 残余压应力峰值和残余压应力层厚度随位移载荷增大而增大; X80钢表面残余应力的模拟结果的与实测结果的误差约为4.8%, 验证了模型的可靠性。
超声表面滚压加工
有限元模拟
残余应力
X80 steel
ultrasonic surface rolling processing(USRP)
finite element modelling
residual stress
Abstract
The contact model of ultrasonic surface rolling process(USRP) was built to simulate the ultrasonic surface rolling process of X80 steel, and the distribution of equivalent plastic strain and residual stress distribution were analyzed. The simulated residual stress was compared with the experimental ones. The results show that USRP on X80 steel surface led to drastic plastic deformation and residual compressive stresses. Meanwhile, the residual compressive stress decreased gradually with the increase of the depth from surface and transformed into residual tensile stress. Peak residual compressive stress and the thickness of compressive stress layer increased with the increase of displacement. The error of simulated residual stress and measured ones on X80 steel surface was about 4.8%, this verified the reliability of the model.
中图分类号 TG176 DOI 10.11973/jxgccl201509019
所属栏目 物理模拟与数值模拟
基金项目 国家自然科学基金资助项目(51105383)
收稿日期 2014/4/26
修改稿日期 2015/4/11
网络出版日期
作者单位点击查看
备注王炳英(1972-),女, 河北河间人, 教授, 博士。
引用该论文: WANG Bing-ying,YIN Yu,HOU Zhen-bo,JIANG Wen-chun. Finite Element Modelling of Residual Stress Field on X80 Steel after Ultrasonic Surface Rolling Process[J]. Materials for mechancial engineering, 2015, 39(9): 80～83
王炳英,尹宇,侯振波,蒋文春. X80钢超声表面滚压加工残余应力场的有限元模拟[J]. 机械工程材料, 2015, 39(9): 80～83
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参考文献
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【7】刘宇, 王立军, 王东坡, 等.超声表面滚压加工40Cr 表层的纳米力学性能[J].天津大学学报, 2012, 45(7):656-661.
【8】王东坡, 宋宁霞, 王婷, 等.纳米化处理超声金属表面[J]. 天津大学学报, 2007, 40(2):228-233.
【9】ISMAIL R, TAUVIQIRRAHMAN M, SAPUTRA E, et al. Modeling of repeated rolling contact of rigid ball on rough surface: residual stress and plastic strain analysis[J]. Procedia Engineering, 2013,68:593-599.
【10】SAI W B, SAI K. Finite element modeling of burnishing of AISI 1042 steel [J]. The International Journal of Advanced Manufacturing Technology, 2005,25(5):460-465.
【11】GARIPY A, CYR J, LEVERS A, et al. Potential applications of peen forming finite element modelling[J]. Advances in Engineering Software,2012,52:60-71.
【12】陆晓峰, 廖明刚, 朱晓磊, 等. 表面纳米化处理对Cr5Mo钢流动加速腐蚀性能的影响[J].机械工程材料, 2014, 38(5):66-70.
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【15】CHAISE T, LI J, NELIAS D, et al. Modelling of multiple impacts for the prediction of distortions and residual stresses induced by ultrasonic shot peening (USP)[J]. Journal of Materials Processing Technology,2012,212(10):2080-2090.
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