Si₃O₄ and Al₂O₃ based ceramic
by Jan Dusza, Pavol Sajgalik
International Journal of Materials and Product Technology (IJMPT), Vol. 23, No. 1/2, 2005

Abstract: The aim of this review paper is to summarise the results of the worldwide investigation in the field of development and characterisation of structural ceramic nanocomposites during the last two decades. The main processing routes are summarised and the principal microstructure parameters are described. The relationships between rupture strength, Weibull modulus and defects-fracture origins are discussed as well as the possibilities of strength improvement through improved processing steps and microstructure design. Possible strengthening and toughening mechanisms are described and the relationships between the fracture toughness, microstructure and fracture micromechanisms are discussed. The residual stresses and their effect on toughness, strength and reliability are analysed. The effect of the temperature on deformation, crack growth and creep failure of the ceramic nanocomposites are characterised.

Online publication date: Wed, 23-Mar-2005

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