Abstract
AbstractOvershooting in Cu‐15 at% Al single crystals was studied as a function of quenching temperature, testing temperature, and initial tensile axis orientation. Overshooting was found to be independent of orientation and test temperature but the degree of overshoot appeared to increase with increasing quench temperature. It was concluded that the overshoot was not a direct function of the stacking fault energy in the range of 5 to 10 erg/cm2 for a Cu‐15 at% Al alloy. A model for overshoot was developed based on the collapse of Lomer‐Cottrell dislocations under the line tension of bowed out conjugate dislocation segments.
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