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Non-uniform distributions of moisture inside the porous materials during drying results in compressive stresses inside the material and tensional ones close to the surface. The tensional stresses together with brittleness of dry material are the reasons of fracturing of the material. In the paper the model describing the fracturing is used to examine the influence of the drying rate on fracturing...
Głównym celem pracy były badania nad określeniem współczynnika krytycznej intensywności naprężeń KIc mas ceramicznych. Porównano dwie metody wyznaczenia KIc: testy trójpunktowego zginania próbki z naciętym karbem oraz pomiary parametrów odcisku wgłębnikiem Vickersa. Badania przeprowadzono na kaolinie KOC i glinie POZ. Przeanalizowano korelacje pomiędzy współczynnikiem KIc i wytrzymałością na rozerwanie...
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