Results 11 to 20 of about 1,821 (184)
The Direct Impact Method for Studying Dynamic Behavior of Viscoplastic Materials [PDF]
This work is devoted to the direct impact method for determining the deformation diagrams of viscoplastic materials at high strain rates. As the conventional Split Hopkinson Pressure Bar method, the direct impact method is based on the measuring bar ...
Artem Basalin +5 more
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Behavior of high-density polyethylene at high strain rates
The Hopkinson split pressure bar (HSPB) was used for the testing of three polymers at strain rates between 10^2 to 10^3 1/s. Higher strain rates were achieved using the direct Hopkinson test.
Trnka J. +3 more
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Data processing of wave propagation in viscoelastic split Hopkinson pressure bar
In this study, the polymethyl methacrylate (PMMA) bar was taken as an example to study the data processing of the viscoelastic Split Hopkinson pressure bar (SHPB) during shock wave propagation.
Jiangping Chen +3 more
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Correction Procedure of Wave Signals for a Viscoelastic Split Hopkinson Pressure Bar [PDF]
A polymeric split Hopkinson pressure bar technique (SHPB) is preferred for testing materials with low mechanical impedance. However, the use of polymeric bars requires additional analysis for data reduction, temperature complications and additional ...
Jacek JANISZEWSKI +2 more
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Polycrystalline copper samples were deformed in the range of strain rate between ~10−3 and 107 s−1 using a material testing machine, split Hopkinson pressure bar and electric gun.
Zhijian Fan +4 more
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Fracture Analysis of Ultrahigh-Strength Steel Based on Split Hopkinson Pressure Bar Test
Impact loading is an important cause of fracture failure of ultrahigh-strength steel parts during service. Revealing the fracture mechanism of ultrahigh-strength steel under impact loading has important reference significance for the material preparation,
Shihong Xiao +5 more
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A revised Ladevèze criteria for carbon fiber reinforced laminated plates
All parameters of revised Ladevèze failure criterion in Table 1 were determined based on mechanical tests which mainly include quasi-static tensile experiments, quasi-static compressive experiments, quasi-static tensile cyclic loading experiments, the ...
Cunxian Wang +4 more
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Dynamic tensile strength enhancement of concrete in split Hopkinson pressure bar test
Split Hopkinson pressure bar technique has been widely used to measure the dynamic tensile strength of concrete materials. Most experimental results show that the tensile strength of concrete material increases with strain rates.
Jingyi Chen +4 more
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Two-wave photon Doppler velocimetry measurements in direct impact Hopkinson pressure bar experiments
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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Dynamic rock tests using split Hopkinson (Kolsky) bar system – A review
Dynamic properties of rocks are important in a variety of rock mechanics and rock engineering problems. Due to the transient nature of the loading, dynamic tests of rock materials are very different from and much more challenging than their static ...
Kaiwen Xia, Wei Yao
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