The metallurgy of the direct-resistance annealing of copper

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The physical and mechanical metallurgy of the copper wire annealing response have been traditionally related to isothermal anneals, that is times at a given temperature. In line, direct-resistance annealing is not clearly isothermal, however, and in some cases may involve a heating ramp with a very short or poorly defined time at peak temperature. Moveover, the actual thermal cycle including peak temperature, is rarely measurable.

Description

The physical and mechanical metallurgy of the copper wire annealing response have been traditionally related to isothermal anneals, that is times at a given temperature. In line, direct-resistance annealing is not clearly isothermal, however, and in some cases may involve a heating ramp with a very short or poorly defined time at peak temperature. Moveover, the actual thermal cycle including peak temperature, is rarely measurable.

Additional information

Author(s)

Frank F. Kraft and Roger N. Wright, Rensselaer Polytechnic Institute, USA.

Publication/Event/Pages

Paper presented at WAI 60th Annual Convention, Boston, MA USA. Paper published in Wire Journal International, July 1991, pg. 55.

Year

1990