Abstract

The effects of strain rate and temperature on the flow curves of Al single crystals were investigated systematically by using many single crystals with same orientaion. These effects on each of the three stages of the flow curves were discussed separately.During the differential test on the effect of strain rate, the specimen prestrained by impact loading showed a remarkable yield drop during the subsequent static loading in the same way as reported by Cottrell during the differential test on the effect of temperature. Temperature seemed to give a more profound effect on the flow curves and the work softening process than the strain rate.

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