PLATING CHARACTERISTICS OF TRIETHANOLAMINE-CADMIUM PLATING BATHS.
NAVAL AIR MATERIAL CENTER PHILADELPHIA PA AERONAUTICAL MATERIALS LAB
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Based on the experimental work described in the report, the following conclusions have been reached Whereas the cadmium plated from a cyanide bath passed the two unspecified adhesion tests and Federal Specification QQ-P-416a, using one of the best commercial pretreatments, the platings from the other baths did not pass the same testing conditions even though the identical pretreatment was used. The aqueous triethanolamine bath seemed to be relatively difficult to prepare and even more difficult to maintain and recondition. The methanol base-triethanolamine bath had a very high resistance and required high voltages to obtain significant current densities. The glycinate and butyrate baths require considerable maintenance and do not produce coatings comparable in performance with those from a cyanide bath. Author
- Coatings, Colorants and Finishes
- Metallurgy and Metallography
- Fabrication Metallurgy