Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Simulation of the Dynamic Behaviour of the ZTA Composites Obtained by Additive Technologies

Version 1 : Received: 6 April 2020 / Approved: 7 April 2020 / Online: 7 April 2020 (11:27:49 CEST)

How to cite: Promakhov, V.; Korobenkov, M.; Schults, N.; Zhukov, I.; Klimenko, V.; Vorozhtsov, A.; Zhukov, A. Simulation of the Dynamic Behaviour of the ZTA Composites Obtained by Additive Technologies. Preprints 2020, 2020040095. https://doi.org/10.20944/preprints202004.0095.v1 Promakhov, V.; Korobenkov, M.; Schults, N.; Zhukov, I.; Klimenko, V.; Vorozhtsov, A.; Zhukov, A. Simulation of the Dynamic Behaviour of the ZTA Composites Obtained by Additive Technologies. Preprints 2020, 2020040095. https://doi.org/10.20944/preprints202004.0095.v1

Abstract

This paper presents a physical and mathematical model that has been developed in the framework of the approach used in the computational mechanics of materials. The model is designed to enable the study of the patterns of deformation and fracture of ceramic composites with a transformation-hardened matrix that are obtained by additive technologies at the mesoscopic and macroscopic levels under intense dynamic loading. The influence of the loading rate on the formation of the fracture and energy dissipation fronts for composite materials, based on the Al2O3 20%ZrO2 system, is shown. Nonlinear effects under intense dynamic loading in the considered composites are associated with the processes of self-organization of structural fragments at the mesoscopic level, as well as the occurrence of martensitic phase transformations in matrix volumes adjacent to the strengthening particles.

Keywords

ceramic materials; composite structure; additive technologies; dynamic loading; transformation hardening

Subject

Chemistry and Materials Science, Ceramics and Composites

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