EPJ Web Conf.
Volume 221, 2019XXVI Conference on Numerical Methods for Solving Problems in the Theory of Elasticity and Plasticity (EPPS-2019)
|Number of page(s)||4|
|Published online||30 October 2019|
Computational analysis of deformation and fracture in composite materials and coatings
Institute of Strength Physics and Materials Science, SB, RAS, 634055 Tomsk, Russia
2 Doppelmayer Seilbahnen GmbH, 6922 Wolfurt, Austria
* Corresponding author: email@example.com
Published online: 30 October 2019
Deformation and fracture of metal-ceramic composites and coatings under quasistatic tension, compression, shear, and during cooling from the melt to room temperatures are numerically investigated. Dynamic and quasistatic boundary-value problems are solved in twoand three-dimensional formulations by the finite-difference and finite-element methods. Constitutive models include the isotropic hardening of aluminum and fracture of ceramic particles. Composite microstructure is taken into account explicitly. Analysis of the fracture in composites is carried out, with the residual stresses being not taken into consideration. Origination of cracks in the near-interface regions of bulk tension and their propagation in ceramic particles are investigated. Residual stresses formed during cooling of the composites are calculated for different volume fractions of particles.
© The Authors, published by EDP Sciences, 2019
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