A Comparison between Isothermal and Coupled Thermo-Mechanical FE Analyses of the Ring Rolling Process

Nassir Anjami; Ali Basti

doi:10.4028/www.scientific.net/AMR.264-265.235

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 264-265A Comparison between Isothermal and Coupled...

A Comparison between Isothermal and Coupled Thermo-Mechanical FE Analyses of the Ring Rolling Process

Abstract:

Ring rolling process, especially hot rolling is characterized by 3D deformation, continuous change of thickness and height, high nonlinearity, non-steady flow and asymmetry. It involves both mechanical and thermal behaviors. Most mechanical and physical properties and boundary conditions are temperature related. The heat flow and stress analysis cannot be analyzed separately. In this study, both isothermal and coupled thermo-mechanical (CTM) 3D rigid-plastic finite element (FE) models of the hot ring rolling (HRR) process are developed to investigate their differences in accurately and quickly predicting the process. The results show that the latter should be more advantageous to the more accurate prediction and control of microstructure and properties of the ring.

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Periodical:

Advanced Materials Research (Volumes 264-265)

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235-240

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.264-265.235

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Online since:

June 2011

Authors:

Nassir Anjami, Ali Basti

Keywords:

Coupled, Finite Element Model (FEM), Isothermal, Ring Rolling

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