The spall fracture mechanism and numerical simulation of no-Co-alloy steel

GUI Yu-lin; LIU Cang-li; WANG Yan-ping; SUN Cheng-wei

doi:10.11883/1001-1455(2005)02-0183-06

Volume 25 Issue 2

Dec. 2014

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GUI Yu-lin, LIU Cang-li, WANG Yan-ping, SUN Cheng-wei. The spall fracture mechanism and numerical simulation of no-Co-alloy steel[J]. Explosion And Shock Waves, 2005, 25(2): 183-188. doi: 10.11883/1001-1455(2005)02-0183-06

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GUI Yu-lin, LIU Cang-li, WANG Yan-ping, SUN Cheng-wei. The spall fracture mechanism and numerical simulation of no-Co-alloy steel[J]. Explosion And Shock Waves, 2005, 25(2): 183-188. doi: 10.11883/1001-1455(2005)02-0183-06

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The spall fracture mechanism and numerical simulation of no-Co-alloy steel

doi: 10.11883/1001-1455(2005)02-0183-06

1.
Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, China Academy of engineering Physics, Mianyang 621900, Sichuan, China

Publish Date: 2005-03-25

Abstract

Abstract

The spall properties of no-Co-alloy steel loaded by gas gun are studied, and Hugoniot elastic limit, spall strength, spall thickness and plastic strain rate are obtained from each experiment. By the fracture analysis and metallographic analysis, we obtained the spall fracture mechanism at different strain rate. In addition, the spall fracture is simulated by LS-DYNA dynamic finite element code, and the simulation results agree well with that of the experiments.
- solid mechanics,
- spall fracture,
- metallographic analysis,
- no-Co-alloy steel,
- numerical simulation

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