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Title: Corrosion Protection of Aluminum

Abstract

Treatment of aluminum-base metal surfaces in an autoclave with an aqueous chromic acid solution of 0.5 to 3% by weight and of pH below 2 for 20 to 50 hrs at 160 to 180 deg C produces an extremely corrosion-resistant aluminum oxidechromium film on the surface. A chromic acid concentration of 1 to 2% and a pH of about 1 are preferred.

Inventors:
;
Issue Date:
Research Org.:
Originating Research Org. not identified
Sponsoring Org.:
USDOE
OSTI Identifier:
4701739
Patent Number(s):
3,096,220
Assignee:
U.S. Atomic Energy Commission DTIE; NSA-17-030945
NSA Number:
NSA-17-030945
Resource Type:
Patent
Resource Relation:
Other Information: Orig. Receipt Date: 31-DEC-63
Country of Publication:
United States
Language:
English
Subject:
METALS, CERAMICS, AND OTHER MATERIALS; ACIDITY; ACIDS; ALUMINUM; CHROMIUM COMPOUNDS; CORROSION PROTECTION; PATENT; PRESSURE VESSELS; SOLUTIONS; ALUMINUM OXIDES; CHROMIUM OXIDES; FILMS; SURFACES

Citation Formats

Dalrymple, R. S., and Nelson, W. B. Corrosion Protection of Aluminum. United States: N. p., 1963. Web.
Dalrymple, R. S., & Nelson, W. B. Corrosion Protection of Aluminum. United States.
Dalrymple, R. S., and Nelson, W. B. Mon . "Corrosion Protection of Aluminum". United States. https://www.osti.gov/servlets/purl/4701739.
@article{osti_4701739,
title = {Corrosion Protection of Aluminum},
author = {Dalrymple, R. S. and Nelson, W. B.},
abstractNote = {Treatment of aluminum-base metal surfaces in an autoclave with an aqueous chromic acid solution of 0.5 to 3% by weight and of pH below 2 for 20 to 50 hrs at 160 to 180 deg C produces an extremely corrosion-resistant aluminum oxidechromium film on the surface. A chromic acid concentration of 1 to 2% and a pH of about 1 are preferred.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1963},
month = {7}
}

Patent:

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