Protective alloy coatings comprising Cr-Al-Ru containing one or

Details Protective alloy coatings comprising Cr-Al-Ru containing one or Protective alloy coatings comprising Cr-Al-Ru containing one or

1989-04-24

1990-12-25

Roy, Upendra

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

420425, 420462, 428660, B32B 1501

Patent

active

049802445

ABSTRACT:
Alloy compositions suitable for use in protecting refractory base alloy compositions are disclosed. The coating is formed of an alloy containing chromium, ruthenium and aluminum and which may contain iron, cobalt and nickel. The coating is found to be highly resistant to oxidation.

REFERENCES:
patent: 3817793 (1974-06-01), Kuhlman et al.
patent: 3918139 (1975-11-01), Felten
patent: 4123595 (1978-10-01), Chang
patent: 4371589 (1983-02-01), Warner et al.
patent: 4459263 (1984-07-01), Prasad
patent: 4477538 (1984-10-01), Clarke
Wopersnow et al., Metell 33 (Dec. 1979) 1261.
Chakravorty et al. Tour. Mat. Sc. 21 (1986) 2721.

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