ALLOYS FOR SPARK IGNITION DEVICE ELECTRODE SPARK SURFACES
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United States of America Patent
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Issued Date -
Mar 29, 2012
app pub date -
Sep 23, 2011
filing date -
Mar 7, 2008
priority date (Note) -
Abandoned
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Abstract
An electrode for a spark ignition device, including a spark plug, which includes an alloy consisting essentially of, in weight percent, at least 15% Ni and the balance substantially Pt, and more particularly 15-45% Ni and the balance substantially Pt; 5-35% W, and the balance substantially Pd; and 5-15% Ni, 5-15% Pt, less than 10% Ir, and the balance substantially Pd.
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