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Physics of Metals and Metallography

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01-05-2022 | STRENGTH AND PLASTICITY

Shock-Wave Loading and Spall Fracture of Textured Tungsten Samples: Experiment and Simulation

Published in: Physics of Metals and Metallography | Issue 5/2022

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Abstract

The microstructural characteristics of original textured tungsten samples are certified. The free surface velocities of the samples were measured in shock-wave experiments. The dynamic yield strength and spall strength values are determined for samples of various thicknesses. Mathematical modeling of the performed experiments is carried out within the hydrocode algorithm, in which original equations of state, an elastoplastic model, and an instantaneous spall approximation are used. The reliability and predictive capabilities of simulation of the physical and mechanical behavior of textured tungsten under conditions of shock-wave compression and high-speed tension are discussed.

previous article Evolution of Phase Composition and Durometric Characteristics in the Refractory Titanium Ti–6.4Al–3.5Zr–2.6Sn–1Nb–0.6Mo–2Si Alloy under Aging

next article Development of Radiation Porosity in the Material of Fuel-Element Cladding Produced by Different Technologies for Fast Neutron Reactors and Its Influence on the Fuel Assembly Service Life in the BN-600 Reactor

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Title: Shock-Wave Loading and Spall Fracture of Textured Tungsten Samples: Experiment and Simulation
Publication date: 01-05-2022
Published in: Physics of Metals and Metallography / Issue 5/2022
Print ISSN: 0031-918X
Electronic ISSN: 1555-6190
DOI: https://doi.org/10.1134/S0031918X2205009X

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