Wire electrode and process for producing a wire electrode, particular for a spark erosion process
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United States of America Patent
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Sep 10, 2002
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app pub date -
Feb 11, 1998
filing date -
Mar 24, 1995
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Abstract
In order to produce a wire electrode having a core consisting of a copper/zinc alloy and to produce a specific sheath layer, the sheath layer is coated onto the core at a temperature at which no diffusion occurs. The wire electrode is subsequently heated at a heating speed higher than 10.degree. C. per second, briefly annealed at temperatures above 500.degree. C. and subsequently cooled again very rapidly at cooling speeds higher than 10.degree. C. per second.
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