Modelling the behaviour of ceramics under various modes of mechanical loading with movable cellular automata

The Movable Cellular Automata (MCA) method is used to modelling a behaviour of ceramics under various modes of mechanical loading. Ceramics have many advantages, such as high strength, chemical stability and low density, which are accompanied with low fracture toughness compared to metallic materials. The majority of ceramic strength and fracture investigations take place under uniaxial loading, but according to engineering practice ceramic materials are subjected to the multiaxial loading. Therefore it is important to investigate fracture behaviour of ceramics under multiaxial loading. The paper presents results of simulations of ceramic samples under compression, torsion and combined compression/torsion.