Numerical modelling of the quasi-brittle behaviour of refractory ceramics by considering microcracks effect
Journal of the European Ceramic Society(2022)
摘要
In the steelmaking industry, the inner lining of ladles is made of refractory ceramics, which are constantly subjected to thermal shocks during their service. Experimentally, it is observed that pre-existing microcracks could significantly increase the thermal shock resistance of these ceramics. The presence of such microcracks network within the refractory microstructure could lead to a non-linear quasi-brittle mechanical behaviour.
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关键词
Refractory ceramics,Discrete element method (DEM),Fracture mechanics,Thermal shock resistance,Quasi-brittle mechanical behaviour
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