Surface Treatment Specs: dissimilar_metal_protection_noble_metals
Electroplating and surface treatment specifications covering thickness ranges, hardness, corrosion resistance (salt spray hours), wear resistance, operating temperature limits, substrate compatibility, applicable standards, and finish appearance. Processes include zinc plating (clear/yellow/black chromate), zinc-nickel, bright electrolytic nickel, electroless nickel (mid/high phosphorus), hard chrome (hexavalent and trivalent), decorative chrome, tin, silver, gold, cadmium, anodizing (Type I/II/III per MIL-A-8625), zinc/manganese phosphate, black oxide, stainless steel passivation, and electropolishing.
| treatment category | treatment variant | dissimilar coupling context | notes | process type | standard | substrate compatibility |
|---|---|---|---|---|---|---|
| dissimilar_metal_protection_noble_metals | rank1_bare_with_compound_sealant | true | Rank 1 (only option listed): Use bare with compound sealant at edges of dissimilar metal joint, or by enveloping dissimilar metal joint in conformal coatings where feasible | sealant at edges or conformal coating | (none specific) | rhodium, palladium, gold, platinum and alloys |
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