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Friction Correction and Constitutive Equation of a Non-Quenched and Tempered Steel during Hot Deformation

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Abstract:

Thermo-mechanical experiments were carried out to study the effect of deformation speed and temperature on the behaviour of a non-quenched and tempered steel during hot forging. And an effective method for correction of friction was used to amend the tested flow stress, Meanwhile, the constitutive equations of flow stress-strain for TL1438 steel during hot forming was established based on the amended flow stress and hyperbolic sine which includes Zener-Hollomon parameter, and related parameters of TL1438 during hot forming was obtained by analyzing the data.

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Periodical:

Advanced Materials Research (Volumes 634-638)

Pages:

2843-2848

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.2843

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Online since:

January 2013

Authors:

Xia Li, Xiao Xia Li, Ming Yao Li, Xiao Chun Wu

Keywords:

Constitutive Equation, Friction Correction, Hot Deformation, Non-Quenched and Tempered Steel

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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