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Study on the Microstructures and Properties of Middle-Carbon-Steel Rolled Pieces during Cross Wedge Rolling

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Abstract:

The rolling process of the three-roll cross wedge rolling with non-uniform temperature field was simulated with the finite element method (FEM). The distribution of the temperature and equivalent strain in radial section of rolled pieces was analyzed. The microstructures and properties of different positions in radial section were investigated. The results indicate that the temperature field and equivalent strain are ring-likely distributing in the radial section of rolled pieces. There are high temperature and small strain in the center. The temperature decreases and the strain increase gradually from the center to surface. The microstructures and properties of rolled pieces are different in different positions. The microstructure in the center consists of pearlite and proeutectoid ferrite, while the surface consists of cementite particles and fine ferrite.

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Periodical:

Applied Mechanics and Materials (Volumes 184-185)

Pages:

1259-1262

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.184-185.1259

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Cite this paper

Online since:

June 2012

Authors:

Z.Q. Lv, P. Qiu, B. Wang

Keywords:

Cross Wedge Rolling (CWR), Forming, Microstructure, Non-Uniform Temperature Field

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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