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The creep behavior of a 10vol.% silicon carbide particulate reinforced 6061 Al composite produced by powder metallurgy (PM) has been examined by creep tests in both tension and compression at 400 o C. The tensile creep data covering minimum creep rates of the orders 10 -9 to 10 -4 /s show an apparent stress exponent n app ~13, but a comparison with...
The steady-state creep behavior of 10 vol% spherical Al 2 O 3 particle-reinforced Al-5 at% Mg matrix composites fabricated by ingot metallurgy was investigated in the compression mode. The composites had a moderate diffusional accommodation rate and were free of fine dispersoids, e.g. oxides or precipitates. Threshold stress behavior in the low-strain-rate region below the diffusional...
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