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
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
Luminousfluxmethodformeasuringshearstrain
ofthespecimeninSHPSB
1.
CollegeofScience,NationalUniversityofDefenseTechnology,
2.
Changsha 410073,Hunan,China;
Corresponding author:
ZHAO Peng-duoPublish Date:
2011-05-25
Abstract
AtechniquebasedonluminousfluxmethodwasappliedtomeasureshearstraininSHPSB
(splitHopkinsonpressurebar)experiment.Theopticalsetupconsistedofthreemajorcomponents:a
collimationlaser,aphotoelectricsensingapparatusandtwoopticalbaffles.Resultsfromavalidexperimentandanuncertaintyanalysisshowedthatitwaseffectiveandaccuratetogettheshearstrain
ofthespecimen.Theshearstrainmeasuredbytheopticalapparatuswascomparedwiththetheoretic
ones.Itwasfoundandanalyzedthatthemeasuredshearstrainwaslessthanthatofthetheoryinvalue
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