Influence of plane grinding temperature threshold on formation of residual stress

被引：0
|
作者：
Wen J. [1 ,2 ]
Tang J. [1 ,2 ]
Zheng J. [1 ,2 ]
机构：
[1] State Key Laboratory for High Performance Complex Manufacturing, Central South University, Changsha
[2] School of Mechanical and Electrical Engineering, Central South University, Changsha
来源：
Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) | 2019年 / 50卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Grinding temperature; Grinding temperature threshold; Residual stress; Thermal-mechanical coupling;
D O I：
10.11817/j.issn.1672-7207.2019.03.005
中图分类号：
学科分类号：
摘要：
With consideration of the thermo-mechanical coupling under the condition of plane grinding, the effect of grinding temperature threshold on the formation of residual stress was studied. Based on the thermo-elastoplasticity theory, a calculation model for predicting the residual stress generated by grinding heat was constructed. The elliptical moving heat source was loaded, and the thermo-mechanical multiphysics coupling calculation was performed using COMSOL finite element software. The temperature field distribution in the grinding region and the influence of the parameters on the initial plastic strain of the workpiece surface was obtained, and the relationship between the grinding temperature and the residual stress of grinding was quantitatively analyzed. The surface temperature field of the workpiece and the residual stress of the workpiece surface after grinding were measured by plane grinding experiment, and they were compared with the numerical calculation results. The results show that the error between the calculated and measured values of the grinding temperature is less than 5%, and the initial plastic strain generated by the grinding temperature has great influence on the final residual stress field. With certain grinding parameters, the grinding temperature threshold for initial thermoplasticity strain and residual tensile stress can be determined. © 2019, Central South University Press. All right reserved.
引用
收藏
页码：530 / 539
页数：9
相关论文
共 24 条
  • [1] Mishra A., Prasad T., Residual stresses due to a moving heat source, International Journal of Mechanical Sciences, 27, 9, pp. 571-581, (1985)
  • [2] Brinksmeier E., Cammett J.T., Konig W., Et al., Residual stresses-measurement and causes in machining processes, CIRP Annals: Manufacturing Technology, 31, 2, pp. 491-510, (1982)
  • [3] Ding W., Zhang L., Li Z., Et al., Review on grinding-induced residual stresses in metallic materials, International Journal of Advanced Manufacturing Technology, 88, 9-12, pp. 2939-2968, (2017)
  • [4] Choi Y., A comparative study of residual stress distribution induced by hard machining versus grinding, Tribology Letters, 36, 3, pp. 277-284, (2009)
  • [5] Zhang J., Ge P., Jen T.C., Et al., Experimental and numerical studies of AISI1020 steel in grind-hardening, International Journal of Heat & Mass Transfer, 52, 3-4, pp. 787-795, (2009)
  • [6] Azarhoushang B., Daneshi A., Lee D.H., Evaluation of thermal damages and residual stresses in dry grinding by structured wheels, Journal of Cleaner Production, 142, 4, pp. 1922-1930, (2017)
  • [7] Grove T., Lucas H., Denkena B., Residual stresses in grinding of forming tools with toric grinding pins, Procedia Cirp, 78, pp. 354-357, (2018)
  • [8] Blok H., Theoretical study of temperature rise at surfaces of actural contact under oiliness lubricating conditions, Proceedings of the General Discussions on Lubrication, pp. 222-235, (1937)
  • [9] Jaeger J.C., Moving sources of heat and the temperature of sliding contacts, Proceedings of the Royal Society of New South Wales, 76, pp. 203-224, (1942)
  • [10] Li H., Axinte D., On a stochastically grain-discretized model for 2D/3D temperature mapping prediction in grinding, International Journal of Machine Tools & Manufacture, 116, pp. 60-76, (2017)
123