Method of forming an aluminum oxide coating

Details Method of forming an aluminum oxide coating Method of forming an aluminum oxide coating

1976-08-13

1978-09-12

Kendall, Ralph S.

Metal treatment

Compositions

Heat treating

427409, C23F 706

Patent

active

041135202

ABSTRACT:
This invention relates to a method of forming an oxide coating on an aluminum surface having a controlled surface resistance and if sufficiently thick have an integral color by treating the aluminum surface with a neutral or slightly basic aqueous solution containing at least 0.001 gm/liter of a difficultly soluble magnesium compound expressed as MgCO.sub.3. The temperature of the bath should exceed 65.degree. C and the pH should range from about 7 to 9.

REFERENCES:
patent: 2987426 (1961-06-01), Shaw
patent: 3247026 (1966-04-01), Switzer
patent: 3380860 (1968-04-01), Tipinski
patent: 3982055 (1976-09-01), Howard

Affiliated with

Also associated with

Rating

Method of forming an aluminum oxide coating does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method of forming an aluminum oxide coating, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of forming an aluminum oxide coating will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2382559