Results 161 to 170 of about 3,663,056 (216)

Research on the high velocity compaction process of iron-based powder based on the DEM. [PDF]

Sci Rep
Liu M, Cao Y, Nie C, Cheng W.
europepmc   +1 more source

Quasi-Static and Dynamic Interfacial Bond Performance Between Ultra-Early-Strength Unsaturated Polyester Polymer Concrete and Ordinary Portland Concrete Under Flexural Loadings. [PDF]

Polymers (Basel)
Feng W, Lu R, Ma J, Zhou Y, Xu J, Guan Y, Chen S, Li S.   +7 more
europepmc   +1 more source

High-Titanium Slag Concrete with Multiscale Pores: Enhanced Explosive Stress Wave Dissipation for Underground Defense. [PDF]

Materials (Basel)
Gao W, Wang M, Sun J.
europepmc   +1 more source

A modified split Hopkinson pressure bar for toughness tests

Journal de Physique IV (Proceedings), 2006
In order to characterize material toughness or to study crack arrest under dynamic loading conditions, a new testing device has been developed at CEA/Valduc. A new Split Hopkinson Pressure Bar (SHPB) has been modified: it is now composed of a single incident bar and a double transmitter bar.
N. Granier, T. Grunenwald
openaire   +2 more sources

Misalignment effect in the split Hopkinson pressure bar technique

International Journal of Impact Engineering, 2012
Abstract It is well known that alignment of the bar in a split Hopkinson pressure bar (SHPB) experiment plays a significant role in producing a good clean signal. In this paper, numerical simulations using ANSYS-LSDYNA are employed to comprehensively study the effects of bar misalignment in producing a distorted signal.
Kariem, Muhammad A., Beynon, John H., Ruan, Dong   +2 more
openaire   +3 more sources

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Dispersion Investigation in the Split Hopkinson Pressure Bar

Journal of Engineering Materials and Technology, 1990
Dispersion of an elastic wave propagating in a 76.2-mm-diameter (3 in.) Split Hopkinson Pressure Bar system was investigated with two consecutive pulses recorded in the transmitter bar. Assuming that the dispersive high frequency oscillatory components riding on the top of the main pulse originate from the first mode vibration, the dispersion was ...
J. C. Gong, L. E. Malvern, D. A. Jenkins
openaire   +1 more source

Dynamic photoelasticity with a split Hopkinson pressure bar

19th Intl Congress on High-Speed Photography and Photonics, 1991
To observe the behaviour of materials subject to impact shock loads, accurate high frequency measurements are vital. The measurement of ultra short pulses (less than 50 microseconds) can be carried out by means of electrical resistance strain guages (ERSGs) . The ERSG's also pick up electromagnetic interference signals. Dynamic photoelasticity was
David R. Morris, A. J. Watson
openaire   +1 more source