SAE AMS 2482C-2000(R2006) 铝合金的聚四氟乙烯浸渍共沉积硬镀层

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SAE AMS 2482C-2000(R2006) 铝合金的聚四氟乙烯浸渍的或共沉积的硬镀层
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1.1 Form:
This specification establishes the engineering requirements for producing a hard, teflon-impregnated
or codeposited teflon-aluminum oxide coating on aluminum alloys and the properties of such
coating.
1.2 Application:
This process has been used typically to increase, by the formation of a dense, teflon-impregnated
aluminum oxide or codeposited teflon-aluminum oxide layer, 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.

guduze1983

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