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Vacancy-scandium interaction in quenched copper

A S Berger and R W Siegel

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The effects of the addition of trace amounts (12-96 at PPM) of Sc upon the annealing of otherwise high-purity Cu quenched from 600-700 degrees C has been investigated. The Sc solute was observed to suppress the normal post-quench vacancy annealing in Cu, apparently by the formation of highly stable vacancy-Sc complexes which subsequently annealed only at temperatures in excess of approximately 300 degrees C.


PACS

61.72.Yx Interaction between different crystal defects; gettering effect

61.72.Cc Kinetics of defect formation and annealing

Subjects

Condensed matter: structural, mechanical & thermal

Dates

Issue 4 (April 1979)



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