Two-wave photon Doppler velocimetry measurements in direct impact Hopkinson pressure bar experiments
EPJ Web of Conferences, 2015 Direct impact Hopkinson pressure bar systems offer many potential advantages over split Hopkinson pressure bars, including access to higher strain rates, higher strains for equivalent striker velocity and system length, lower dispersion and faster ...
Lea Lewis J., Jardine Andrew P.
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Stress Equilibrium in the Split Hopkinson Pressure Bar Test [PDF]
Le Journal de Physique IV, 1997 The compressive split Hopkinson pressure bar (SHPB) technique allows the stresses on each end of the specimen to be measured individually. Results are presented showing a large difference between these end pressures, depending on specimen length and loading rate. The mechanisms responsible are show to be a combination of inertial forces and non-uniform
Wu, X., Gorham, D.
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Briefing: UK Ministry of Defence Force Protection Engineering Programme [PDF]
, 2013 The Defence Science and Technology Laboratory sponsored, QinetiQ-led Force Protection Engineering Research Programme has two main strands, applied and underpinning research. The underpinning strand is led by Blastech Ltd.
Andrew Jardine +9 more
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Mechanical Response of HPFRCC in Tension and Compression at High Strain Rate and High Temperature
Engineering Transactions, 2014 The mechanical response of High Performance Fibre-Reinforced Cementitious Composite (HPFRCC) has been analyzed at high strain rates and high temperature.
E. CADONI +5 more
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X-ray microtomographic characterization and quantification of the strain rate dependent failure mechanism in cenosphere epoxy syntactic foams [PDF]
, 2016 This work investigates the failure mechanism in cenosphere epoxy syntactic foams at the quasi-static and dynamic strain rates. Split-Hopkinson pressure bar experiments are controlled to stop dynamic deformation of the foams at various strain stages.
Adrien +26 more
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A Numerical Investigation of Deformed Region in Plate Specimen of Split-Hopkinson Tensile Bar [PDF]
한국정밀공학회지In Hopkinson bar theory, stress, strain, and strain rate can be determined by analyzing the dimensions of the specimen. When conducting Split-Hopkinson Pressure Bar (SHPB) experiments, the stress-strain curve is obtained by considering the entire length ...
Byeongjin Park, Yeon-Bok Kim, Jeong Kim
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Three-dimensional effects on the dynamic fracture determination of Al 7075-T651 using TPB specimens [PDF]
, 2008 Here we present a numerical analysis of three dimensional effects on the dynamic three point bending fracture tests on Al 7075 T651 alloy specimens performed in a modified Split Hopkinson Pressure Bar.
Fernández Sáez, José +1 more
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New experimental techniques with the split Hopkinson pressure bar [PDF]
, 1984 The split Hopkinson pressure bar or Kolsky bar has provided for many years a technique for performing compression tests at strain rates approaching 10/sup 4/ s/sup -1/. At these strain rates, the small dimensions possible in a compression test specimen give an advantage over a dynamic tensile test by allowing the stress within the specimen to ...
Frantz, C. E. +2 more
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EPJ Web of Conferences, 2012 When designing a split Hopkinson system, the yield strength of the selected pressure bar material determines the maximum stress attainable within deforming samples and also, the maximum striker velocity that is usable to prevent plasticity in bars.
Arsenault R., Bolduc M.
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Dynamic tensile behaviour at low temperature of CFRP using a split Hopkinson pressure bar [PDF]
, 2005 11 pages, 17 figures.This paper deals with the effect of temperature (room and low temperatures) on the tensile properties at high strain rates of CFRP laminates.
Barbero Pozuelo, Enrique +3 more
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