Creep Rupture of 1100 Series Al/SiC Particulate MMC’S
The temperature dependence of creep in Al/20% SiC composite has been studied at 150°C to 350°C. The material shows a high stress sensitivity and large temperature dependence of creep strength. The stress levels required for creep rates of 10−6s−1 – 10−7s−1 lie above the first deviation from linearity of the tensile stress strain curve. High temperature creep rupture occurs by failure of the Al matrix. Voiding about the SiC reinforcement is seen at lower temperatures.
KeywordsCreep Rate Creep Curve Creep Strength Primary Creep Creep Specimen
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