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Phase-field simulation of the thermomechanical processing of steels

Qin, Rongshan and Tan, Xu (2013). Phase-field simulation of the thermomechanical processing of steels. International Journal of Metallurgical Engineering, 2(1) pp. 35–39.

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A scheme has been developed to integrate the phase-field model with the homogeneous deformation. This has been applied to the simulation of the microstructure evolution during warm rolling of steels. The phase transition is characterized by the evolution of a phase-field order parameter. The rolling of the steels is calculated by the displacement of vectors in materials by the deformation matrix. The governing equation for phase-field order parameter is solved numerically in the irregular and changing lattices. Significant discrepancies of crystal morphologies are observed in crystal growth before deformation, deformation of materials after crystal growth and deformation of materials while crytal growing. Those three thermomechanical processing conditions can be considerred as the cases of hot rolling, cold rolling and warm rolling, respectively. It has been found that the interface anisotropy plays an important role for the observed microstructural descrepacies. Other mechanisms affecting the grain morphologies are discussed for various thermomechanical processing of steels.

Item Type: Journal Item
Copyright Holders: 2012 Scientific & Academic Publishing
ISSN: 2167-7018
Keywords: steel; warm rolling; phase-field; homogeneous deformation; microstructure
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 41966
Depositing User: Rongshan Qin
Date Deposited: 27 Jan 2015 10:01
Last Modified: 07 Dec 2018 10:28
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