Finite element simulation of cyclic channel die compression with route A
In this paper,effective strain and load were simulated by rigid-plastic finite element method (FEM) during cyclic channel die compression (CCDC) with route A,and the optical microstructure was observed.The results show that large strain can be accumulated in the material by CCDC.The load variation includes two stages,slowly linear increase and rapid increase.At the end of the CCDC,the compression load rises rapidly.Apart from the edges of the specimen,the effective strain is higher in the central region and lower at the surrounding region.The effective strain gradient increases with the number of compression.Grain refinement at the central zone is faster due to the strain inhomogeneity.But the peripheral zone is also refined with the number of CCDC.This illustrates CCDC is a promising method for producing bulk ultra-fine grained materials.
cyclic channel die compression finite element simulation effective strain microstructure
Fengjian Shi Tao Xu Sheng Lu Leigang Wang
Provincial Key Lab of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhe Provincial Key Lab of Advanced Welding Technology, Jiangsu University of Science and Technology, Zhe School of Material Science and Engineering, Jiangsu University, Zhenjiang, 212013, China
国际会议
重庆
英文
1300-1304
2010-12-11（万方平台首次上网日期，不代表论文的发表时间）