Dynamic constitutive relation based on J-C model of Q235 steel

GUO Zitao; GAO Bin; GUO Zhao; ZHANG Wei

doi:10.11883/bzycj-2016-0333

Volume 38 Issue 4

May 2018

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GUO Zitao, GAO Bin, GUO Zhao, ZHANG Wei. Dynamic constitutive relation based on J-C model of Q235 steel[J]. Explosion And Shock Waves, 2018, 38(4): 804-810. doi: 10.11883/bzycj-2016-0333

Citation:

GUO Zitao, GAO Bin, GUO Zhao, ZHANG Wei. Dynamic constitutive relation based on J-C model of Q235 steel[J]. Explosion And Shock Waves, 2018, 38(4): 804-810. doi: 10.11883/bzycj-2016-0333

GUO Zitao, GAO Bin, GUO Zhao, ZHANG Wei. Dynamic constitutive relation based on J-C model of Q235 steel[J]. Explosion And Shock Waves, 2018, 38(4): 804-810. doi: 10.11883/bzycj-2016-0333

Citation:

GUO Zitao, GAO Bin, GUO Zhao, ZHANG Wei. Dynamic constitutive relation based on J-C model of Q235 steel[J]. Explosion And Shock Waves, 2018, 38(4): 804-810. doi: 10.11883/bzycj-2016-0333

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Dynamic constitutive relation based on J-C model of Q235 steel

doi: 10.11883/bzycj-2016-0333

GUO Zitao¹,
GAO Bin¹,
GUO Zhao¹,
ZHANG Wei^{2
,
,}

1.
School of Civil Engineering and Urban Construction, Jiujiang University, Jiujiang 332005, Jiangxi, China
2.
Hypervelocity Impact Research Center, Harbin Institute of Technology, Harbin 150080, Heilongjiang, China

Received Date: 2016-11-01
Rev Recd Date: 2017-02-15
Publish Date: 2018-07-25

Abstract

Abstract

In this paper, we studied the quasi-static performance and the dynamic compression and tensile properties of the Q235 steel at temperatures ranging from the room temperature to 900 ℃ using a universal testing machine and the split Hopkinson bar system. Based on the experimental results, we modified the thermal softening item in the Johnson-Cook (J-C) constitutive model and proposed a revised J-C constitutive model for Q235 steel, which we then validated using Taylor impact experiments and corresponding numerical simulations.
- dynamic mechanical properties,
- constitutive relation,
- Taylor impact,
- Q235 steel,
- Johnson-Cook constitutive model

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References(17)

References

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