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Digitale Medien

High-strain-rate superplasticity of SiC p /8090 aluminum composite (1996)

Han, B. Q. ; Chan, K. C. ; Yue, T. M. ; [weitere]

Springer

Applied composite materials 3 (1996), S. 369-378

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Details

ISSN: 1573-4897

Schlagwort(e): high strain rate ; superplasticity ; metal matrix composites ; 8090 aluminum composite

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau

Notizen: Abstract Superplastic tensile tests of a 17 vol.% SiC p /8090 Al-Li composite were carried out at strain rates ranging from 7.25 × 10-4 s-1 to 3.46 × 10-1 s-1 and at temperatures from 773 K to 873 K. A maximum elongation of 300% was obtained at a strain rate of 1.83 × 10-1 s-1 when tested at a temperature of 848 K which was slightly above the solidus temperature of the composite. The effect of a small fraction of liquid phase on high-strain-rate superplasticity was discussed. Finally, the activation energy of high-strain-rate superplastic deformation was calculated and high-strain-rate superplastic mechanism was discussed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00133680

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