Results 181 to 190 of about 24,545 (231)

Split Hopkinson bar measurements of PBXS

, 2016
Siviour, C, Williamson, D, Grantham, S, Palmer, S, Proud, W, Field, J   +5 more
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The tensile behaviour of paper under high loading rates. [PDF]

Cellulose (Lond)
Baumann G, Czibula C, Hirn U, Feist F.
europepmc   +1 more source

Comparative Study on Dynamic Compression Behaviors of Steel Fiber-Reinforced Cementitious Composites and Steel Fiber-Reinforced Concrete at Elevated Temperatures. [PDF]

Materials (Basel)
Li F, Wang Z, Li L, Zhao B.
europepmc   +1 more source

Study on the extension law of fractures in shale reservoirs under impact loads. [PDF]

PLoS One
Li W, Li Z, Li Y, Zhao H, Wang S, Xu X, Kong J.   +6 more
europepmc   +1 more source

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The numerical simulation of large diameter split Hopkinson pressure bar and Hopkinson bundle bar of concrete based on mesoscopic model

Construction and Building Materials, 2022
Abstract In the comparison of Hopkinson bundle bar (HBB) system and the large diameter split Hopkinson pressure bar (SHPB) system, the influence of bar diameter on the dispersion effect of the one-dimensional longitudinal wave is analyzed theoretically firstly.
Nao Lv, Haibo Wang, Kai Rong, Zhanyang Chen, Qi Zong   +4 more
exaly   +2 more sources

Hopkinson bar pulse smoothing

Measurement Science and Technology, 1995
The conventional split Hopkinson pressure bar system for materials testing at high strain rates produces loading pulses that have a high level of oscillation superimposed on their approximately trapezoidal shape. These oscillations, which are a consequence of the short risetime of the loading pulse produced by the impact of a projectile, cause ...
D J Parry, A G Walker, P R Dixon
openaire   +1 more source

Split Bar Hopkinson with Springs Striker Bar Launcher

Applied Mechanics and Materials, 2014
Research on the dynamic strength of various materials such as metallic materials, polymers, concrete has been done by many researchers. The Split Hopkinson Bar method is still used to produce a high strain rate. In this method, a striker bar is usually launched using pressurized gas.
Agus Sigit Pramono, Sujarwanto Sujarwanto, Handik Rivazani   +2 more
openaire   +1 more source

The fluid hopkinson bar

Experimental Mechanics, 1980
Experiments in which pressure pulses are propagated in a column of fluid held in a stiff tube are described. A parameter, η, which characterizes the tube stiffness has been defined and a one-dimensional model of the wave propagation which includes dissipation both in the volume of the fluid and at the wall of the containing tube has been developed.
openaire   +1 more source

Experimental techniques for the Hopkinson bar

AIP Conference Proceedings, 2000
Several factors influence the accuracy of results when using the Split Hopkinson bar. These include longitudinal wave dispersion, and impedance mismatch of the bars with the specimens. In this paper, we discuss our approach to choosing specimen dimensions based on their impedance, thereby improving the transmitted stress signal-to-noise ratio.
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HOPKINSON BAR STUDIES OF A PBX SIMULANT

AIP Conference Proceedings, 2008
Experiments were carried out, at a strain rate of  1600 s−1, to characterise an HTPB/sugar propellant simulant within the temperature range of 50 °C to −100 °C. Optical techniques, namely high‐speed photography with digital speckle analysis for flow visualisation, and line‐laser occlusion to measure diametric expansion, were deployed.
Daniel R. Drodge, John W. Addiss, David M. Williamson, William G. Proud, Mark Elert, Michael D. Furnish, Ricky Chau, Neil Holmes, Jeffrey Nguyen   +8 more
openaire   +1 more source