4.
    发明专利
    未知

    公开(公告)号:BR9405233A

    公开(公告)日:1995-08-01

    申请号:BR9405233

    申请日:1994-12-23

    Applicant: MINTEK

    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 DEG 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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