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Standard

Hard Anodic Coating Treatment of Aluminum Alloys

1976-01-15
HISTORICAL
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.
Standard

Hard Anodic Coating Treatment of Aluminum Alloys

1964-06-30
HISTORICAL
AMS2468A
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.
Standard

Hard Anodic Coating Treatment of Aluminum Alloys

1957-01-15
HISTORICAL
AMS2468
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.
Standard

HARD COATING TREATMENT OF ALUMINUM ALLOYS

1992-07-01
HISTORICAL
AMS2468E
This specification establishes the engineering requirements for producing a hard coating on aluminum alloys and the properties of such coating.
Standard

Hard Anodic Coating Treatment of Aluminum Alloys

1980-01-15
HISTORICAL
AMS2468C
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.
Standard

Hard Anodic Coating Treatment of Aluminum Alloys

1986-04-01
HISTORICAL
AMS2468D
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.
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