Claims
- 1. A corrosion-resistant aluminum alloy consisting essentially of 91%-95.7% by weight aluminum, 0.5%-1% by weight scandium, 3%-5% by weight magnesium, 0.5%-2% by weight nickel, and 0.3%-1% by weight chromium.
- 2. The alloy of claim 1, containing no appreciable amount of zinc or copper.
- 3. A method of providing corrosion resistance in an article, comprising making a part of the article which is designed to be in contact with halide-containing water of the alloy of claim 1.
- 4. The method of claim 3, wherein the water contains chloride.
- 5. Apparatus made of the alloy of claim 1 for use in halide-containing water.
- 6. The apparatus of claim 5, wherein the water contains chloride.
- 7. The apparatus of claim 5, comprising a ship, aircraft, or marine structure.
CROSS-REFERENCE TO RELATED APPLICATIONS
Priority of our U.S. Provisional Patent Application Serial No. 60/110,233, filed Nov. 30, 1998, incorporated herein by reference, is hereby claimed.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
The government has rights in this invention, as it was made in performance of work under Office of Naval Research Cooperative Agreement No. N00014-94-2-0011.
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Provisional Applications (1)
|
Number |
Date |
Country |
|
60/110233 |
Nov 1998 |
US |