Abstract
AbstractFibre‐reinforced composites were produced by the modification of the static horizontal Bridgman method. The single‐crystalline composite matrix consisted of the tetragonal T phase (Al72Cu27Co1). Decagonal quasi‐crystal D phase (Al64Cu20Co16) was the reinforcement in the form of fibres parallel to the solidification direction. These fibres were surrounded by the tetragonal Θ phase (Al66Cu31Co3). The composite specimens in the shape of plates were studied by tensile tests and X‐ray topography. The specimens deformed up to rupture and, from the X‐ray topographs, the dependence of the composite structure defects on deformation was examined. It was found that the rupture of specimens is related to low‐angle boundaries created during deformation. The influence of defects on the strength of the composites is discussed. (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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