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1993•Acta Metallurgica SinicaRequires access

EFFECT OF INTERFACIAL PRECIPITATION ON PROPERTIES OF SiC WHISKER REINFORCED Al ALLOY COMPOSITES

Bi Jin

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Abstract

Tensile tests and fractograph of SiC whisker reinforced 2124Al and 2024Al composites, fabricated by powder metallurgy, were carried out. The chain-like discontinuous θ(Al_2Cu) precipitates and transitionary layer between SiC whisker and precipitates are re- vealed to distribute on the interfaces. These precipitates may decrease strengthening effect of SiC whisker and ductility of the composite as whole.

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What this paper is about

Tensile tests and fractograph of SiC whisker reinforced 2124Al and 2024Al composites, fabricated by powder metallurgy, were carried out. The chain-like discontinuous θ(Al_2Cu) precipitates and transitionary layer between SiC whisker and precipitates are re- vealed to distribute on the interfaces. These precipitates may decrease strengthening effect of SiC whisker and ductility of the composite as whole.

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Available abstract

Tensile tests and fractograph of SiC whisker reinforced 2124Al and 2024Al composites, fabricated by powder metallurgy, were carried out. The chain-like discontinuous θ(Al_2Cu) precipitates and transitionary layer between SiC whisker and precipitates are re- vealed to distribute on the interfaces. These precipitates may decrease strengthening effect of SiC whisker and ductility of the composite as whole.

Key concepts: Whisker, Materials science, Ductility (Earth science), Alloy, Composite material, Monocrystalline whisker, Ultimate tensile strength, Precipitation

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EFFECT OF INTERFACIAL PRECIPITATION ON PROPERTIES OF SiC WHISKER REINFORCED Al ALLOY COMPOSITES — Research Paper | ScholarLens