CORROSION RESISTANT ALUMINUM ALLOY SUBSTRATES AND METHODS OF PRODUCING THE SAME

• US 20100200415A1
• Filed: 04/23/2010
• Published: 08/12/2010
• Est. Priority Date: 08/28/2007
• Status: Abandoned Application

• Current Assignee: Alcoa Incorporated (Howmet Aerospace, Inc.)
• Original Assignee: Alcoa Incorporated (Howmet Aerospace, Inc.)
• Inventors: Vega, Luis Fanor, Zediak, Clinton, Levendusky, Thomas L., Robare, Kevin M., Guthrie, Joseph D., Askin, Albert
• Application Number:
  US12/766,733
• Publication Number:
  US 20100200415A1
• Time in Patent Office: Days
• US Class Current: 205/201
• CPC Class Codes: C23C 18/122 Inorganic polymers, e.g. silanes, polysilazanes, polysiloxanes
• CPC Class Codes: C25D 11/08 containing inorganic acids
• CPC Class Codes: C25D 11/16 Pretreatment , e.g. desmutting
• CPC Class Codes: C25D 11/24 Chemical after-treatment
• CPC Class Codes: Y10T 428/12569 Synthetic resin
• CPC Class Codes: Y10T 428/249953 Composite having voids in a component [e.g., porous, cellular, etc.]
• CPC Class Codes: Y10T 428/264 Up to 3 mils
• CPC Class Codes: Y10T 428/265 1 mil or less

Abstract

Aluminum alloy products comprising an aluminum alloy base and a sulfate-phosphate oxide zone integral therewith are disclosed. Methods of making the same are also disclosed.

Claims