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Journal of the Brazilian Society of Mechanical Sciences

Print version ISSN 0100-7386

Abstract

PARDINI, Luiz Claudio; LEVY NETO, Flamínio  and  MCENANEY, Brian. Modelling of mechanical properties of CRFC composites under flexure loading. J. Braz. Soc. Mech. Sci. [online]. 2000, vol.22, n.2, pp.203-216. ISSN 0100-7386.  http://dx.doi.org/10.1590/S0100-73862000000200006.

Carbon Fibre Reinforced Carbon (CFRC) Composites are increasing their applications due to their high strength and Young’s Modulus at high temperatures in inert atmosphere. Although much work has been done on processing and structure and properties relationship, few studies have addressed the modelling of mechanical properties. This work is divided in two parts. In the first part, a modelling of mechanical properties was carried out for two bi-directional composites using a model based on the Bernoulli-Euler theory for symmetric laminated beams. In the second part, acoustic emission (AE) was used as an auxiliary technique for monitoring the failure process of the composites. Differences in fracture behaviour are reflected in patterns of AE.

Keywords : Carbon-Carbon Composites; mechanical properties; acoustic emission.

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