Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Electrically conductive/low friction finish for AL (not chromate conv)
I need a electrically conductive and med-low friction finish on AL. Friction of Black Anodise is OK...just not conductive. Chromate conversion is conductive but too soft (galls and sticks with anodised sliding part) Can I ask for help with finishing options?
Drew Phillips- Penang, Malaysia
2001
Have you considered tin plating on aluminum?
Dado Macapagal- Toronto, Ont
2001
Sir,
You may do zincating of aluminium and go in for Nickel-tin alloy plating or nickel undercoat and a thin silver plating with chromatising of silver or only tinning.The cost factor should decide on the type of finish.
Thanks,
Ramajayam- Bangalore, Karnataka, India
2001
I would consider Electroless Nickel mostly for complicated geometries. It is slippery, naturally lubricious and conducts electricity quite well. Also adheres very well to aluminum w/o blisters, peel offs, etc. Good luck!
Guillermo MarrufoMonterrey, NL, Mexico
2001
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