Method and coating for protecting against corrosive and erosive

Details Method and coating for protecting against corrosive and erosive Method and coating for protecting against corrosive and erosive

1995-04-05

1996-08-20

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

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

148518, 148531, 148537, 416241R, B32B 1518, C22F 104, F01D 528

Patent

active

055477690

ABSTRACT:
A method and a coating are provided for attaining protection of a substrate being formed of chromium steel for a component of a turbomachine, against at least one of corrosive and erosive attack at a temperature up to approximately 500.degree. C. An aluminum-containing metal coating is applied to the substrate. At least the surface of the metal coating is hardened or age-hardened to form a protective coating containing aluminum.

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