Study on the Dynamic Mechanical Property of High Strength Steel 18NiC250

Xiao Jun Shao; Peng Ke Liu; Zhi Yin Zeng; Wei Guo Guo

doi:10.4028/www.scientific.net/AMM.644-650.4763

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 644-650Study on the Dynamic Mechanical Property of High...

Study on the Dynamic Mechanical Property of High Strength Steel 18NiC250

Abstract:

In this paper, dynamic mechanical property tests under different tempreture and strain rate of high strength steel 18NiC250 are conducted by means of Hopkinson pressure bar technique. The results of tests show 18NiC250 steel is not only very sensitive on strain rate, but also sensitive to temperature. The rate relative constitutive model of this steel is obtained and well predicts dynamic mechanical property after yielded.