National Repository of Grey Literature 177 records found  beginprevious177 - 177  jump to record: Search took 0.00 seconds. 
Lomové chování kompozitů s křehkou (skelnou) matricí
Dlouhý, Ivo ; Chlup, Zdeněk ; Boccaccini, A. R.
A number of examples exist that indicate the potential for increasing the toughness of brittle matrix by dispersing different reinforcements. For further development of these advanced materials the real material response during mechanical loading under presence of flaws appears to be important. Theoretical and experimental knowledge sampled on different kinds of brittle matrix composites is summarised in the paper. These include glass matrix with metallic particles, alumina platelets, continuous Nicalon fibres, both the chopped fibres and ZrO2 particles (hybrid composite). Almost all of these composites were tested in as received state but also after thermal exposition and/or thermal shocking applied according to supposed composite application. Chevron notch technique was mainly used for the fracture toughness evaluation. Damage will be explained on base of fracture micromechanism

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