Luminousfluxmethodformeasuringshearstrain

ofthespecimeninSHPSB

ZHAO Peng-duo; LU Fang-yun; CHEN Rong; LI Jun-ling; LIN Yu-liang; TAN Duo-wang

doi:10.11883/1001-1455(2011)03-0232-05

Volume 31 Issue 3

May 2014

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Article Navigation > Explosion And Shock Waves > 2011 > 31(3): 232-236

ZHAO Peng-duo, LU Fang-yun, CHEN Rong, LI Jun-ling, LIN Yu-liang, TAN Duo-wang. LuminousfluxmethodformeasuringshearstrainofthespecimeninSHPSB[J]. Explosion And Shock Waves, 2011, 31(3): 232-236. doi: 10.11883/1001-1455(2011)03-0232-05

Citation:

ZHAO Peng-duo, LU Fang-yun, CHEN Rong, LI Jun-ling, LIN Yu-liang, TAN Duo-wang. Luminousfluxmethodformeasuringshearstrain ofthespecimeninSHPSB[J]. Explosion And Shock Waves, 2011, 31(3): 232-236. doi: 10.11883/1001-1455(2011)03-0232-05

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Luminousfluxmethodformeasuringshearstrain ofthespecimeninSHPSB

doi: 10.11883/1001-1455(2011)03-0232-05

1.
CollegeofScience,NationalUniversityofDefenseTechnology,
2.
Changsha 410073,Hunan,China;

Funds:

NationalNaturalScienceFoundationofChina(10672177,10872215,10902100)

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Corresponding author: ZHAO Peng-duo
Publish Date: 2011-05-25

Abstract

Abstract

AtechniquebasedonluminousfluxmethodwasappliedtomeasureshearstraininSHPSB (splitHopkinsonpressurebar)experiment.Theopticalsetupconsistedofthreemajorcomponents:a collimationlaser,aphotoelectricsensingapparatusandtwoopticalbaffles.Resultsfromavalidexperimentandanuncertaintyanalysisshowedthatitwaseffectiveandaccuratetogettheshearstrain ofthespecimen.Theshearstrainmeasuredbytheopticalapparatuswascomparedwiththetheoretic ones.Itwasfoundandanalyzedthatthemeasuredshearstrainwaslessthanthatofthetheoryinvalue
- solidmechanics,
- SHPSB,
- combinedcompression-shearloading,
- luminousfluxmethod,
- shearstrain