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  Thread 179/11

Zinc Whiskers



2002

Help on Zinc Whiskering required.

1. Is there a standard or preferred coating to prevent/reduce zinc whiskering occurring?

2. What finishes should NOT be used in computer underfloor installations in the prevention of zinc whiskers?

Michael Lette
- NSW, Australia
publicly reply to Michael Lette


Zinc, like tin, forms whiskers when subjected to electromagnetic energy or electrical current. Alloying the zinc is the best way to prevent whiskering. There are several choices: Zinc-nickel (I think it is the best) Zinc-cobalt and zinc-iron.

don baudrand
Don Baudrand
Consultant - Poulsbo, Washington
(Don is co-author of "Plating on Plastics" [on Amazon or AbeBooks affil links]
           and "Plating ABS Plastics" [on Amazon or eBay or AbeBooks affil links])
2002
publicly reply to Don Baudrand



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