Study on interfacial friction effect in the SHPB tests

WANG Xiao-yan; LU Fang-yun; LIN Yu-liang

doi:10.11883/1001-1455(2006)02-0134-06

Volume 26 Issue 2

Nov. 2014

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Article Navigation > Explosion And Shock Waves > 2006 > 26(2): 134-139

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WANG Xiao-yan, LU Fang-yun, LIN Yu-liang. Study on interfacial friction effect in the SHPB tests[J]. Explosion And Shock Waves, 2006, 26(2): 134-139. doi: 10.11883/1001-1455(2006)02-0134-06

Citation:

WANG Xiao-yan, LU Fang-yun, LIN Yu-liang. Study on interfacial friction effect in the SHPB tests[J]. Explosion And Shock Waves, 2006, 26(2): 134-139. doi: 10.11883/1001-1455(2006)02-0134-06

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Study on interfacial friction effect in the SHPB tests

doi: 10.11883/1001-1455(2006)02-0134-06

1.
Science college, National University of Defense Technology, Changsha 410073, Hunan, China;
2.
Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

Publish Date: 2006-03-25

Abstract

Abstract

Interfacial friction effects between specimens and bars in SHPB technique were studied. Five materials with different features,silicon rubber, polyurethane foam, Comp.B explosive, PBX-HMX(97%) polymer bonded explosive and 6061-T6 aluminum alloy,were chosed as specimens. Experimental results show that interfacial friction effects in SHPB tests are related with the tested material properties. Based on the isotropic elastic hypothesis, a theoretic analysis is made on an energy conservation consideration. The reduced theoretic formulations show that material Poisson's ratio, interfacial friction coefficient, length-to-diameter ratio of the specimens and axial strains are four influent factors for the friction effects.
- solid machanics,
- interfacial friction effect,
- SHPB experiment,
- material properties,
- energy conservation

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