Effect of Non-Uniform Temperature Field on Piece Rolled by Three-Roll Cross Wedge Rolling

Ping Qiu; Hong Xiao; Ming Li

doi:10.4028/www.scientific.net/AMM.16-19.456

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 16-19Effect of Non-Uniform Temperature Field on Piece...

Effect of Non-Uniform Temperature Field on Piece Rolled by Three-Roll Cross Wedge Rolling

Abstract:

Defects of pieces rolled by cross wedge rolling (CWR) have great effect on its practical applications. With reference to the center-pressure method used often in the forging, the effects of non-uniform temperature field on defects were studied by using the three-roll CWR tests under different cooling conditions and the coupled thermo-mechanical finite element models. The porous can be reduced or even eliminated when the billets were rolled with a controlled non-uniform temperature filed. The optimal temperature gradient was determined by FEM, which can be used in practical applications.

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Periodical:

Applied Mechanics and Materials (Volumes 16-19)

Pages:

456-461

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.16-19.456

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Cite this paper

Online since:

October 2009

Authors:

Ping Qiu, Hong Xiao, Ming Li

Keywords:

Cavities, Coupled Thermo-Mechanical, Non-Uniform Temperature Field, Numerical Simulation, Three-Roll Cross Wedge Rolling

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