The Residual Stress Research of Rolling Slab Based on the No-Linear Elastic and Plastic Analysis

Zhao Wei Dong; Xiao Hang Wan; Shu Jun Li; Sheng Yong Liu

doi:10.4028/www.scientific.net/AMR.311-313.1093

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 311-313The Residual Stress Research of Rolling Slab Based...

The Residual Stress Research of Rolling Slab Based on the No-Linear Elastic and Plastic Analysis

Abstract:

The cold rolling of slab is analyzed by using elastic-plastic and heat-mechanic coupling FEM with the nonlinear method. The distribution of residual stress was analyzed mainly in this paper. It is indicated by the results that the residual stress in surface layer of slab material is the pressure stress and inside the plate is the tension stress under the smaller press quantity, the residual stress in surface layer is the tension stress and inside the slab is the pressure stress under bigger press quantity, the maximum residual tension stress in the slab becomes bigger with the increment of the reduction.