Abstract
A systematic exploratory development study of the mechanical behaviour of pyrolyzed organic resin matrices reinforced with high performance carbonaceous fibres was performed. Fourteen combinations of fibre and precursor matrices in unidirectional composite form were fabricated and tested. Physical, thermal, and mechanical properties were determined at various process stages. A principal conclusion was that it is the very poor interfacial bond which is typically achieved between fibres and matrix that accounts for the low mechanical properties which are commonly observed. This poor bond was attributed primarily to the mismatch between the transverse thermal expansion coefficient of the graphite fibres and the thermal expansion coefficient of the surrounding matrix. Among the recommendations made is that the carbonization/graphitization conditions be modified to promote better interfacial bonding.
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References
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Consultant, Philco-Ford Corporation.
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Perry, J.L., Adams, D.F. An experimental study of carbon-carbon composite materials. J Mater Sci 9, 1764–1774 (1974). https://doi.org/10.1007/BF00541744
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DOI: https://doi.org/10.1007/BF00541744