Hopkinson Bar Experiments for Single Contacts
Investigations on specimen design and mounting for Split Hopkinson Tension Bar (SHTB) experiments
... input bar which travels through the bar towards the ...input bar and the mounting ...output bar. To get the force transferred to the output bar by the specimen a calibration for the ...
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Electromagnetic Interference in Measurements of Radial Stress During Split Hopkinson Pressure Bar Experiments
... Split Hopkinson pressure bar experiments on soils are often carried out using a rigid steel confining ring to provide plane strain conditions, and measurements of the circumferential strain in the ...
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Hopkinson bar testing of cellular materials
... Split Hopkinson Pressure Bar (SHPB) is one of the most popular and reliable devices used to study the dynamic behaviour of materials up to strain rates of approximately 10 4 s -1 ...B. Hopkinson used ...
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Two-wave photon Doppler velocimetry measurements in direct impact Hopkinson pressure bar experiments
... 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 ...
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Stress Wave Propagation in Split Hopkinson Pressure Bar
... 11 characterisation which is the mesh discretization of a continuous domain into a set of separate sub-domains, which are called elements. The applying of finite element modelling (FEM) has improved dramatically in the ...
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Modelling split-Hopkinson pressure bar tests on quartz sand
... [email protected] https://eprints.whiterose.ac.uk/ Reuse Unless indicated otherwise, fulltext items are protected by copyright with all rights reserved. The copyright exception in section 29 of the Copyright, ...
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Development of a numerical model for simulations of Split Hopkinson Pressure Bar
... Split Hopkinson Pressure Bar was ...of experiments using existing SHPB, which had been carried out to measure the dynamic behavior of St 37 and Al 6063 specimens at strain rates of 3500/s and 4000/s ...
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DYNAMIC TENSILE RESISTANCE OF CONCRETE SPLIT HOPKINSON BAR TEST
... Assuming that concrete is considered in the framework of meso or macro-continuum, the response of concrete structures depends on time dependent loading through three different effects [3,4]: (1) through the rate ...
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CiteSeerX — On the use of non-cylindrical specimens in a split-Hopkinson pressure bar
... Kolsky bar. For this, experiments were conducted with a model material for different model cross-sections at a nearly constant strain rate in the split- Hopkinson pressure ...
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Compression, Tension and Shear Testing of Fibrous Composite with the Split Hopkinson Bar Technique
... Split Hopkinson (Kolsky) Bar The compression and tensile SHB experiments are shown schematically in Figure ...a bar and tensile loading is generated by the release of a stored tensile force in ...
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Experimental issues and interpretation of the necking phenomena in the dynamic characterization via Hopkinson bar
... literature experiments [17], was shown that the necking-affected experimental true stress, divided by the flow stress, obeyed to the same material-independent MLR function suitable for the static case [18–21], if ...
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Challenges related to testing of composite materials at high strain rates using the split Hopkinson bar technique
... section. Experiments are carried out using the split Hopkinson tensile bar setup of Ghent ...static experiments are also carried out to evaluate the use of these geometries at quasi-static ...
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Effects of Radial Inertia and End Friction in Specimen Geometry in Split Hopkinson Pressure Bar Tests : A Computational Study
... split Hopkinson pressure bar (SHPB) technique originally developed by Kolsky ...the experiments by Taylor (1946), a solid cylindrical specimen was fired against a massive and rigid ...uniform ...
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Split Hopkinson pressure bar multiple reloading and modeling of a 316 L stainless steel metallic hollow sphere structure
... Split Hopkinson Pressure Bar (SHPB) high strain rate ...a single shot test due to the lower final strains ...a single SHPB test, very long bars and small thickness of the test sample and ...
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Design of a split Hopkinson pressure bar with partial lateral confinement
... split Hopkinson pressure bar (SHPB) where partial lateral con- finement of the specimen is provided by the inertia of a fluid annulus contained in a long steel ...
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Development of a Tensile Split Hopkinson Pressure Bar Testing Facility
... 8 The loading device is composed of a gun and striker, used to generate the stress wave in the bar components. The gun either uses explosives or compressed gas to launch the striker bar into the incident ...
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Development of a Tensile Split Hopkinson Pressure Bar Testing Facility
... incident bar can be increased to give the stress wave more bar length to ...incident bar is also “thought to induce oscillations and lower the rise time of the incident pulse” (Clark, ...
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Dynamic characterization of monolithic and composite ceramic materials using Hopkinson bar
... A. KHALIFA 1,2 , E. BARBERO 1 , P. MIRANZO 2 , C. NAVARRO 1 1 Area de Mecánica de Medios Continuos y Teoría de Estructuras. Universidad de Carlos III de Madrid. Leganés.(Madrid). 2 Instituto de Cerámica y Vidrio.Centro ...
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High rate loading of hybrid joints in a Split Hopkinson Tension Bar
... Abstract. Bonded joints are nowadays seen as one of the preferred joining methods in aerospace applications. However, the difficulty in certifying bond strength and the relatively low energy absorption capability of the ...
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On the use of the compression split Hopkinson pressure bar to high strain rate
... The experiment conducted with the ductile tungsten alloy at a strain of 7160 S-l was simulated assuming a rate-independent elastic perfectly plastic tungsten alloy with a cons[r] ...
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