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Interfaces in β–SiC whiskers/6061 aluminum composites

  • Katsuaki Suganuma (a1)

Abstract

6061 alloy matrix composites reinforced with β–SiC whiskers were fabricated both by squeeze casting and by hot-pressing and were heat-treated in the temperature range between 600 °C and 800 °C. The changes in interface microstructure were observed by transmission electron microscopy. In all treatment conditions, no special reaction product, e.g., Al4C3, were observed except for fine γ–Al2O3 particles adhering to the whiskers. A direct lattice connection at the whiskers/matrix interfaces was observed in all composites. β–SiC whiskers were proved to be quite stable in the 6061 matrix.

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Interfaces in β–SiC whiskers/6061 aluminum composites

  • Katsuaki Suganuma (a1)

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