Historical

SAE AMS 2482C-2000 (SAE AMS2482C-2000)

Hard Coating Treatment of Aluminum Alloys Teflon-Impregnated or Codeposited ( Reaffirmed: Apr 2006 )

This specification establishes the engineering requirements for producing a hard, teflon-impregnated or codeposited coating on aluminum alloys and the properties of such coating. This process has been used typically to increase, by the formation of a dense, teflon-impregnated aluminum oxide, surface hardness and resistance to abrasion and corrosion of aluminum alloy parts containing, in general, less than 5% copper or 8% silicon or a total of 8% of both. 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.

CONTENT PROVIDER
Society of Automotive Engineers [sae]

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