Pemberton, SR and Oberg, EK and Dean, J and Tsarouchas, D and Markaki, AE and Marston, L and Clyne, TW (2011) The fracture energy of metal fibre reinforced ceramic composites (MFCs). Composites Science and Technology, 71. pp. 266-275. ISSN 0266-3538Full text not available from this repository.
A model is presented for prediction of the fracture energy of ceramic-matrix composites containing dispersed metallic fibres. It is assumed that the work of fracture comes entirely from pull-out and/or plastic deformation of fibres bridging the crack plane. Comparisons are presented between these predictions and experimental measurements made on a commercially-available composite material of this type, containing stainless steel (304) fibres in a matrix predominantly comprising alumina and alumino-silicate phases. Good agreement is observed, and it's noted that there is scope for the fracture energy levels to be high (~20kJm-2). Higher toughness levels are both predicted and observed for coarser fibres, up to a practical limit for the fibre diameter of the order of 0.5mm. Other deductions are also made concerning strategies for optimisation of the toughness of this type of material. © 2010 Elsevier Ltd.
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|Date Deposited:||15 Dec 2015 13:03|
|Last Modified:||08 Feb 2016 00:14|