Wire electrode for electrical discharge cutting
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United States of America Patent
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Oct 7, 2014
Grant Date -
Dec 1, 2011
app pub date -
Nov 26, 2009
filing date -
Dec 3, 2008
priority date (Note) -
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Abstract
A wire electrode for cutting by electrical discharge machining may include a core and a covering. The core may include a metal or a metal alloy. The covering may surround the core and may include one or more covering layers, of which at least one contains a mixture of phases including at least one of β or β′ brass and including γ brass. In the at least one covering layer that contains the mixture, the phases are present next to one another in a fine-grained microstructure having a mean grain size of 5 μm or less in section perpendicular to the longitudinal axis of the wire electrode.
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