B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
204/96.36
B23K 35/32 (2006.01) B23K 9/04 (2006.01) C23C 4/06 (2006.01) C23C 4/12 (2006.01) C23C 26/00 (2006.01)
Patent
CA 1284782
ABSTRACT OF THE INVENTION The present invention describes coating processes and the resultant coated articles for use in high tempera- ture sodium environments, such as those found in liquid metal fast breeder reactors and their associated systems. The substrate to which the coating is applied may be either an iron base or nickel base alloy. The coating itself is applied to the substrate by electro-spark deposition techniques which result in metallurgical bonding between the coating and the substrate. One coating according to the present invention involves electro-spark depositing material from a cemented chromium carbide electrode and an aluminum electrode. Another coating according to the present invention involves electro-spark depositing materi- al from a cemented chromium carbide electrode and a nickel-base hardfacing alloy electrode.
493438
Johnson Roger N.
Bereskin & Parr
Johnson Roger N.
Westinghouse Electric Corporation
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