Constitutive Model and Properties of AMT100 Steel at Thermal Deformation

Zhong Tang Wang; Shi Hong Zhang; Hong Zhi Wang

doi:10.4028/www.scientific.net/AMM.80-81.643

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 80-81Constitutive Model and Properties of AMT100 Steel...

Constitutive Model and Properties of AMT100 Steel at Thermal Deformation

Abstract:

It had been studied that thermal deformation properties of AerMet100 steel (AMT100) by thermal simulation on Gleeble 3500 Simulator, which the ranges of temperature and strain rates were 900～1100°C and 0.01～10/s. According the experiment data, the parameters of thermal deformation was calculated, in which the activation energy is 261.2KJ/mol. The strain-rate sensitivity coefficient is m=0.0998, and temperature sensitivity coefficient is s=7912. The relationship among peak stress and deformation temperature and strain rate was established. And the ranges of temperature and strain rates were 900～1100°C and 0.01～10/s, and the relative errors of calculation results by the stress-strain model were less than 11.3%.

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Periodical:

Applied Mechanics and Materials (Volumes 80-81)

Pages:

643-646

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.80-81.643

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Online since:

July 2011

Authors:

Zhong Tang Wang, Shi Hong Zhang, Hong Zhi Wang

Keywords:

Aermet100, Constitutive Model, Thermal Deformation, Ultra High-Strength Steel

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