| 摘要 |
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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