Comparative Experimental Study on Dynamic Mechanical Properties of G50 Steel and G31 Steel

KONG Qingqiang; SHEN Fei; XING Yifan; LÜ Yongzhu; CAO Yuwu

doi:10.11858/gywlxb.20200569

Volume 35 Issue 1

Jan 2021

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Chinese Journal of High Pressure Physics > 2021 > 35(1): 014103.

KONG Qingqiang, SHEN Fei, XING Yifan, LÜ Yongzhu, CAO Yuwu. Comparative Experimental Study on Dynamic Mechanical Properties of G50 Steel and G31 Steel[J]. Chinese Journal of High Pressure Physics, 2021, 35(1): 014103. doi: 10.11858/gywlxb.20200569

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KONG Qingqiang, SHEN Fei, XING Yifan, LÜ Yongzhu, CAO Yuwu. Comparative Experimental Study on Dynamic Mechanical Properties of G50 Steel and G31 Steel[J]. Chinese Journal of High Pressure Physics, 2021, 35(1): 014103. doi: 10.11858/gywlxb.20200569

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Comparative Experimental Study on Dynamic Mechanical Properties of G50 Steel and G31 Steel

doi: 10.11858/gywlxb.20200569

Xi’an Modern Chemistry Research Institute, Xi’an 710065, Shaanxi, China

Received Date: 18 Jun 2020
Rev Recd Date: 03 Jul 2020

Abstract

Abstract

The mechanical properties of G50 steel and G31 steel under quasi-static, dynamic and detonation loading conditions are compared by tensile test, impact test, Hopkinson bar test and detonation loading test. The results show that the mechanical performances of G50 steel and G31 steel under static and 10³ s⁻¹ strain rate conditions are similar. The G50 steel and G31 steel exhibit similar failure morphology after detonation loading test, indicating that the two materials have similar tensile strength and yield strength under ultra-high pressure and ultra-high strain rate condition. The test results show that G31 steel can apply in the shell of penetrating the warhead.
- G50 steel,
- G31 steel,
- mechanical properties,
- detonation loading,
- failure morphology

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References

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Comparative Experimental Study on Dynamic Mechanical Properties of G50 Steel and G31 Steel

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