Corrosion-resistant structure comprising a metallic surface and

Details Corrosion-resistant structure comprising a metallic surface and Corrosion-resistant structure comprising a metallic surface and

1987-09-18

1989-05-30

Roy, Upendra

Metal treatment

Compositions

Heat treating

148403, 420 79, 420441, C23C 602, B23K 1500, C22C 102

Patent

active

048348066

ABSTRACT:
A corrosion-resistant amorphous surface alloy is disclosed which is 150 .mu.m or less thick and bonded onto a substrate crystalline metal or alloy and processed by irradiation of high energy density beam, such alloy being composed of 8-19 at % Cr, 17-22 at % in the sum of P and 2-7 at % B, and the remainder being Ni, Ni--Co containing Co in an atomoic ratio of Co/Ni of 2/3 or less, or Ni--Fe or Ni--Co--Fe containing Fe in an atomic ratio of Fe/Ni or Fe/Ni+Co of 1/5 or less. Also disclosed is a process for producing such alloy.

REFERENCES:
patent: 4260416 (1981-04-01), Kavesh et al.
patent: 4473401 (1984-09-01), Masumoto et al.
patent: 4517017 (1985-05-01), Inomata et al.
patent: 4612059 (1986-09-01), Mori et al.

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