DTIC ADA197711: Hydrogen Free Electrodeposition of Cadmium pdf

DTIC ADA197711: Hydrogen Free Electrodeposition of Cadmium

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A raw method of electroplating cadmium onto high-strength steel has been developed at Argonne National Laboratory. The method has three aspects: (1) high-rate electrodeposition by pulsed currents in a flow cell that uses a flowing electrolyte; (2) an optimized pulse-nucleation step, followed by pulse or DC current growth of the electrodeposit; and (3) the use of aqueous fluoborate electrolyte. The electrolyte flow/pulse-plating method with aqueous fluoborate provides a unique approach for high-speed, hydrogen-free cadmium plating of steel in engineering shapes and sizes. A second method, which is based on electrodeposition from a molten salt, has also been investigated and shows promise as yet another hydrogen-free cadmium-plating technique. Keywords: Electrodeposition, Pulse current, High current density pulse-nucleation, Hydrogen-free cadmium, Flow call fluoborate, Molten salt

• Creator/s: Defense Technical Information Center
• Date: 2/29/1988
• Year: 1988
• Book Topics/Themes: DTIC Archive, Varma, R, ARGONNE NATIONAL LAB IL, *ELECTRODEPOSITION, *ELECTROPLATING, *STEEL, *CORROSION INHIBITION, *COATINGS, CADMIUM, SALTS, DIRECT CURRENT, CURRENTS, PLATING, HIGH STRENGTH, PULSES, HYDROGEN, MELTS, CELLS, SHAPE

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