Skip to main content
OSTI.GOVU.S. Department of Energy Office of Scientific and Technical Information
U.S. Department of Energy
Office of Scientific and Technical Information
 

Method for sealing an aluminum oxide film

Patent ·
OSTI ID:5275758
The corrosion resistance and coating adhesion characteristics of an aluminum oxide film produced by anodization is improved by contacting the film with a dilute aqueous solution of an oxidizing composition, for example chromic acid, and a pH altering substance that maintains the pH of the solution between 3.0 and 5.0. Exemplary pH altering compositions are respectively chromic acid and sodium or magnesium chromate.
Assignee:
The Boeing Co.
Patent Number(s):
US 4504325
OSTI ID:
5275758
Country of Publication:
United States
Language:
English

Similar Records

Thin-film sulfuric acid anodizing as a replacement for chromic acid anodizing
Conference · Tue Feb 28 23:00:00 EST 1995 · OSTI ID:102019
Corrosion Protection of Aluminum
Patent · Mon Jul 01 00:00:00 EDT 1963 · OSTI ID:4701739
CORROSION PROTECTION OF ALUMINUM
Patent · Mon Jul 01 00:00:00 EDT 1963 · OSTI ID:4702065

Related Subjects

36 MATERIALS SCIENCE
360105* -- Metals & Alloys-- Corrosion & Erosion
ALKALINE EARTH METAL COMPOUNDS
ALLOYS
ALUMINIUM ALLOYS
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
ANODIZATION
CHALCOGENIDES
CHEMICAL COATING
CHEMICAL REACTIONS
CHROMATES
CHROMIC ACID
CHROMIUM COMPOUNDS
COATINGS
CORROSION PROTECTION
CORROSION RESISTANCE
DEPOSITION
ELECTROCHEMICAL COATING
ELECTROLYSIS
FILMS
HYDROGEN COMPOUNDS
INORGANIC ACIDS
LYSIS
MAGNESIUM COMPOUNDS
OXIDATION
OXIDES
OXYGEN COMPOUNDS
PH VALUE
PROTECTIVE COATINGS
SURFACE COATING
TRANSITION ELEMENT COMPOUNDS