AMS2468B: Hard Anodic Coating Treatment of Aluminum Alloys - SAE International
Browse Standards AMS2468B
Historical REVISED 1976-01-15

Hard Anodic Coating Treatment of Aluminum Alloys AMS2468B

This specification establishes the engineering requirements for producing a hard coating on aluminum alloys and the properties of such coating.

This coating has been used typically to increase, by the formation of a dense aluminum oxide, surface hardness and resistance to abrasion and corrosion of aluminum-alloy parts containing, in general, less than 6% copper or 8% silicon or a total of 8% of both, but usage is not limited to such applications. Alloys with higher silicon content alone can be coated satisfactorily with proper precautions in processing. Careful consideration should be given to the use of this process on highly-stressed parts because of the resultant marked lowering of fatigue performance and on parts with sharp corners and edges where chipping may result.

AMS2468G
1999-09-01
Latest
Canceled
AMS2468F
1998-10-01
Historical
Revised
AMS2468E
1992-07-01
Historical
Revised
AMS2468D
1991-10-01
Historical
Reaffirmed
AMS2468C
1980-01-15
Historical
Revised
AMS2468B
1976-01-15
Historical
Revised
AMS2468A
1964-06-30
Historical
Revised
AMS2468
1957-01-15
Historical
Issued

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