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公开(公告)号：CA2138732A1
公开(公告)日：1995-06-24
申请号：CA2138732
申请日：1994-12-21
Applicant: MINTEK
Inventor： DE VILLIERS STEYN HERMANUS , WOLFF IRA M , COETZEE RUDOLPH , CORTIE MICHAEL B
Abstract: A spark plug or other spark igniter is provided in which at least an operative part of one, both or all electrodes thereof is made of a material including an intermetallic compound having a melting point above 1400.degree.C and chosen to exhibit adequate toughness, resistance to thermal shock, and electrical conductivity. The intermetallic compound may form one phase of a multi-phase material. Ruthenium aluminide is disclosed as a preferred intermetallic compound.
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