Al-Al2O3 in situ particle composites by reaction of CuO particles in molten pure Al

Al-Al2O3 in situ particle composites by reaction of CuO particles in molten pure Al

CuO particles were incorporated into pure Al melt to produce Al-Al2O3 in situ particle composites. Alpha-Al2O3 and Cu particles were identified in the particles extracted from the composites. Part of the reduced Cu dissolved in the matrix of the composites and increased its microhardness. The hardne...

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Veröffentlicht in:Materials letters 1997-02, Vol.30 (2-3), p.147-151
Hauptverfasser: MAITY, P. C, CHAKRABORTY, P. N, PANIGRAHI, S. C
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Dispersion hardening metals
Exact sciences and technology
Metals. Metallurgy
Powder metallurgy. Composite materials
Production techniques
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Zusammenfassung:CuO particles were incorporated into pure Al melt to produce Al-Al2O3 in situ particle composites. Alpha-Al2O3 and Cu particles were identified in the particles extracted from the composites. Part of the reduced Cu dissolved in the matrix of the composites and increased its microhardness. The hardness and tensile strength of the composites were improved significantly as compared to those of pure Al. 21 refs.
ISSN:0167-577X
1873-4979
DOI:10.1016/S0167-577X(96)00188-7