C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
319/107, 148/25,
C23C 14/48 (2006.01) C23C 10/02 (2006.01) C23C 28/02 (2006.01) H01M 4/66 (2006.01)
Patent
CA 1222662
CORROSION-RESISTANT COATED FERROUS BODY Abstract of the Disclosure A ferrous metal body having a diffusion bonded coating which is corrosion resistant and free of any significant polarization, the bulk of said coating being comprised an alloy of at least about 70% by weight molybdenum, up to about 5% by weight iron balance chromium, the outside surface or surface portion of said coating being comprised of an alloy of at least about 30% by weight chromium, up to about 1% by weight iron, balance molybdenum, said outside surface or outside surface portion of said coating being significantly richer in chromium than said bulk portion, and a diffusion bonding layer comprised of MoCrFe alloy extending from said bulk portion into the surface of said ferrous body, said dif- fusion bonding layer being comprised of at least about 10% by weight molybdenum, at least about 5% by weight chromium and at least about 10% by weight iron.
461637
Park Dong-Sil
Zabala Robert J.
Company General Electric
Eckersley Raymond A.
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