Influence of explosive parameter on the performance of explosion hardening of Hadifield steel

Hu Xiao-yan; Shen Zhao-wu; Liu Ying-bin; Liu Tian-sheng

doi:10.11883/1001-1455(2015)02-0255-06

Volume 35 Issue 2

Mar. 2015

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Hu Xiao-yan, Shen Zhao-wu, Liu Ying-bin, Liu Tian-sheng. Influence of explosive parameter on the performance of explosion hardening of Hadifield steel[J]. Explosion And Shock Waves, 2015, 35(2): 255-260. doi: 10.11883/1001-1455(2015)02-0255-06

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Hu Xiao-yan, Shen Zhao-wu, Liu Ying-bin, Liu Tian-sheng. Influence of explosive parameter on the performance of explosion hardening of Hadifield steel[J]. Explosion And Shock Waves, 2015, 35(2): 255-260. doi: 10.11883/1001-1455(2015)02-0255-06

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Influence of explosive parameter on the performance of explosion hardening of Hadifield steel

doi: 10.11883/1001-1455(2015)02-0255-06

1.
School of Chemical Engineering and Environment, North University of China, Taiyuan 030051, Shanxi, China
2.
Department of Modern Mechanics, University of Science and Technology of China, Hefei 230027, Anhui, China

Received Date: 2013-07-11
Rev Recd Date: 2013-12-04
Publish Date: 2015-03-25

Abstract

Abstract

In order to study the influence of explosive parameter on the effect of explosion hardening of the Hadifield steel, detonation velocities of two different densities of explosive were tested respectively. The variation of internal hardness, tensile strength and impact toughness from the hardened surface to inside the material with depth was tested respectively. The hardness and impact toughness of the sample for triple explosion with the density of 1.38 g/cm³ are larger than those for twice explosion with the density of 1.48 g/cm³ at the same hardening depth. The tensile strength for triple explosion with the density of 1.38 g/cm³ is higher from the surface to 15 mm below the hardened surface but is lower from 15 mm down. For the hardness, tensile strength and impact hardened toughness consideration, the effect of explosion hardening for the smaller single impulse is better.
- mechanics of explosion,
- hardening effect,
- explosion hardening,
- Hadifield steel,
- explosive parameter,
- explosion impulse

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References(20)

References

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