Effects of oxygen concentration on the recrystallization behavior of copper wire

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A detailed study has been conducted on continuously cast copper rod to determine the effects of oxygen content, in the range of 10-1000 parts per million, upon annealing behavior of drawn wire. The half-hard annealing temperature, annealing kinetics, spiral elongation values, hardness annealability results, activation energy for recrystallization, times to achieve softening, and final mechanical properties have been determined as a function of prior cold work and oxygen content.

Description

A detailed study has been conducted on continuously cast copper rod to determine the effects of oxygen content, in the range of 10-1000 parts per million, upon annealing behavior of drawn wire. The half-hard annealing temperature, annealing kinetics, spiral elongation values, hardness annealability results, activation energy for recrystallization, times to achieve softening, and final mechanical properties have been determined as a function of prior cold work and oxygen content.

Additional information

Author(s)

Horace Pops and James Holloman, Essex Group, Inc. USA.

Publication/Event/Pages

Paper presented at WAI European Technical Conference, Berlin, Germany. Paper published in Wire Journal International, May 1994, pg. 70.

Year

1993