CATALYST MEMBERS HAVING ELECTRIC ARC SPRAYED SUBSTRATES AND METHODS OF MAKING THE SAME
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United States of America Patent
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app pub date -
Apr 29, 1999
filing date -
May 1, 1998
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Abstract
Electric arc spraying a metal onto a substrate produces an anchor layer on the substrate that serves as a surprisingly superior intermediate layer for a catalytic material deposited thereon. Spalling of catalytic material is resisted even when subjected to the harsh conditions imposed by small engines or in a close-coupled position for a larger engine.
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