Abstract
The effect of isothermal exposure at 500° C on the transverse mechanical properties of 30 and 50 vol % continuous boron-fibre reinforced 1100 aluminium composites has been investigated. Experimental results indicate that the fibre-matrix interfacial reaction gives rise to an increase in the fibre-matrix bond strength. Consequently, the fracture mode undergoes a transition from interfacial debonding to fibre splitting with increasing exposure time. The fracture surfaces and fibre-matrix interfaces have been studied by scanning electron microscopy and the observations coincide with the above interpretation of the mechanical test results. Finally, a new theoretical model using Eshelby's theory is developed to analyse the stress-strain behaviour of a continuous fibre reinforced metal matrix composite subjected to transverse tensile loading.
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On leave from Pioneering R & D Laboratories, Toray Industries, Inc., 2-1, 3-chome, Sonoyama, Otsu, Shiga 520, Japan.
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Kyono, T., Hall, I.W. & Taya, M. The effect of isothermal exposure on the transverse properties of a continuous fibre metal-matrix composite. J Mater Sci 21, 4269–4280 (1986). https://doi.org/10.1007/BF01106541
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DOI: https://doi.org/10.1007/BF01106541