Hard and corrosion-resistant overlaying alloys were experimentally developed by adding vanadium carbide in Ni30Crl0Mo alloy, and its localized corrosion resistance was evaluated by conducting the pitting potential measurements in 3.5% NaCl solution at 80°C and by immersion in a tank containing seawater. Some of the experimentally developed alloys had a pitting potential equivalent to that of UNS R30021 and did not develop any crevice corrosion ever after immersion for 6 months.

Subject
Materials, Carbides, Corrosion resistant alloys, Nickel based alloys, Structures, Potential measurements, Seawater, Silicon, Crevice corrosion, Pitting, Immersion, Corrosion resistance, Hardness
Keywords:
coating, overlay, crevelloy, stellite, pitting corrosion, pitting potential, crevice corrosion
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2004
Association for Materials Protection and Performance (AMPP)
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