Shock-Wave Phenomena and the Properties of Condensed Matter

Kanel, G. I.; Разоренов, С. В.; Fortov, V. E.

doi:10.1007/978-1-4757-4282-4

Cited by 309 publications

(240 citation statements)

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“…Big kinetic energy of the jet elements that transforms to the thermal energy during deceleration at the bottom and walls of the crater determine possibility of melting and partial evaporation of copper. The transformation occurs by compression in a shock wave formed in the deceleration area on the boundary with the compressed medium (SiC), and during further unloading into the state of two-phase liquid-gas medium [7].…”

Section: Resultsmentioning

confidence: 99%

Mechanism of anomalous penetration of shaped charge jet into ceramics

Rumyantsev¹,

Klimenko²

2012

AIP Conference Proceedings

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Abstract. The mechanism of penetration of the jet in silicon carbide had been investigated experimentally and numerically. In contrast to of metals, the penetration of shaped-charge jet into ceramics has an anomalous character and a smaller depth of penetration. The penetration into ceramics is accompanied by a radial interaction of a crater wall fragments with the jet elements and this leads to a partial melting and evaporation of the elements. Appearance of a "gas" phase enables dispersion of the elements, mixing with the wall fragments, formation of an internal absorption volume, and destabilization of further part of the jet. As a result a considerable part of the jet loses the ability by the penetration.

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Section: Resultsmentioning

confidence: 99%

Mechanism of anomalous penetration of shaped charge jet into ceramics

Rumyantsev¹,

Klimenko²

2012

AIP Conference Proceedings

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“…The elastic constants such as a shear modulus G=76 GPa, a compression bulk modulus K=162 GPa, a Young ' s modulus E=198 GPa and a Poisson's ratio ν=0.3 were determined on the basis of ultrasonic measurements. The properties of the PSZ ceramics upon dynamic loading were tested with the use of explosive projectile systems [7] and laser interferometer VISAR. The scheme of the experiments is given in Fig.…”

Section: Methodsmentioning

confidence: 99%

Shock response and structure of yttria-doped tetragonal zirconia

Milyavskiy

Савиных

Akopov

et al. 2012

AIP Conference Proceedings

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Abstract. The ceramics on the basis of the partially stabilized zirconia was produced, and some characteristics of the ceramics, such as density, bending strength, crack resistance, Rockwell hardness, microhardness, porosity, etc. were determined. Microstructure and phase composition of the ceramics as well as the phase transformations under mechanical fracture were studied. Hugoniot elastic limit and spall strength of the ceramic specimens were measured.

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“…Investigation into processes of elastic-viscous-plastic deformation of metals and alloys under shock-wave loading [3] allows us to measure velocity-temperature relationships how these materials resist to deformation and fracture. The structure of shock waves in solid bodies depends on processes of their elastic-viscous-plastic deformation, possible phase transformations, as well as on kinetics of fracture incipience and development [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

“…At the same time when strain rates are higher than 10 4 s −1 , dependence of the flow and fracture stresses sharply increases in many metals due to a changed mechanism of dislocation movement [3,4].…”

Section: Introductionmentioning

confidence: 99%

Deformation of zirconium – niobium alloy E635 in sub-microsecond shock waves

Kazakov

Kozelkov

Mayorova

et al. 2015

EPJ Web of Conferences

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Abstract. Strength characteristics of zirconium -niobium alloy E635 were measured under shock -wave loading conditions at normal and elevated temperatures and results of these measurements are presented. Measurements were taken in conditions when samples were impacted by plane shock waves with the pressure up to 13 GPa and duration from ∼0.05 µs up to 1 µs. Free-surface velocity profiles were recorded with the help of VISAR and PDV laser Doppler velocimeters having nanosecond time resolution. Evolution of elastic precursors with samples thickness varying from 0.5 up to 8 mm is also considered. Measured attenuation of the elastic precursor was used to determine plastic strain rate behind the precursor front. Temperature effect on the value of dynamic elastic limit and spall strength at normal and elevated temperatures is studied.This work is implemented with the support of the State Atomic Energy Corporation "Rosatom" under State Contract H.4x.44.90.13.1111.

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Shock-Wave Phenomena and the Properties of Condensed Matter

Cited by 309 publications

References 0 publications

Mechanism of anomalous penetration of shaped charge jet into ceramics

Mechanism of anomalous penetration of shaped charge jet into ceramics

Shock response and structure of yttria-doped tetragonal zirconia

Deformation of zirconium – niobium alloy E635 in sub-microsecond shock waves

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