COMPOSITE PRODUCED FROM INTERMETALLIC PHASES AND METAL
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United States of America Patent
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Issued Date -
Aug 18, 2011
app pub date -
Mar 29, 2007
filing date -
Mar 30, 2006
priority date (Note) -
Abandoned
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Abstract
A method is provided for producing a wire or tape, especially for use as an electrode or electrode tip in spark plugs. The method includes the following steps: (a) producing an intermetallic compound having a melting point above 1700° C.; (b) grinding the intermetallic compound; (c) mixing the intermetallic compound with metal powder; (d) introducing the mixture obtained in step (c) in a tube produced from ductile material; and (e) shaping the tube filled in step (d) to give a wire or tape. Also provided are a wrapped wire or wrapped tape, especially a semifinished product for producing electrodes or electrode tips of spark plugs.
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