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Constitutive model of Ti-25Nb alloy

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Published under licence by IOP Publishing Ltd
, , Citation Jianjun Liu et al 2019 IOP Conf. Ser.: Mater. Sci. Eng. 493 012154 DOI 10.1088/1757-899X/493/1/012154

1757-899X/493/1/012154

Abstract

The flow stress curves of Ti-25Nb alloy were acquired by hot compressive tests on Gleeble−3500 thermo-simulation machine at the strain rate range of 0.001-10 s−1 and temperature range of 470-620°C. The results show that the flow stresses decrease with the decrease in strain rate and the increase in temperature in general and modified constitutive model established by Strain compensation of n and A has a high predicted ability under experimental deformation condition.

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10.1088/1757-899X/493/1/012154