R. Carvalho  M. de Freitas       

Anales de la Mecánica de la Fractura, nº 13 . 1996 . Pág. 281 -286
Ver (.pdf): Anales13-047

Resumen: A study of thc influence of the particlc size and volume fraction on fracture toughness and fatigue crack growth of reinforced metal matrix composites. is presented. A matrix of Al-Mg alloy, 6061, heat trcated at T6. reinforced with partides of silicon carbides SiC. present in three different dimensions and two volume fractions is studied. Results show a very low influence of the partide size and volume fraction on fracture toughness. For a constan! volume fraction, an increase on particle size leads toan improvement of the fatigue life. Results are anal) sed taking into account available models for fracture toughness calculations.

Localización: Luso, Portugal

Academia da Força Aérea. B. A. 1, Granja do Marqués, Sintra, Portugal
Dep. Engenharia Mecanica, Instituto Superior Técnico. Av. Rovisco Pais, 1096, Lisboa, Portugal