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Electrodeposition of High Quality Nickel Phosphorous Alloys for Pollution Reduction and Energy ConservationNASA and the University of Alabama in Huntsville have developed ecologically friendly, versatile nickel and nickel cobalt phosphorous electroplating processes. Solutions show excellent performance with high efficiency for vastly extended throughput. Properties include, clean, low temperature operation (40 - 60 C), high Faradaic efficiency, low stress and high hardness. A variety of alloy and plating speed options are easily achieved from the same chemistry using soluble anodes for metal replacement with only 25% of the phosphorous additions required for electroless nickel. Thick deposits are easily achieved unattended, for electroforming freestanding shapes without buildup of excess orthophosphate or stripping of equipment.
Document ID
20040068061
Acquisition Source
Marshall Space Flight Center
Document Type
Preprint (Draft being sent to journal)
Authors
Engelhaupt, Darell
(Alabama Univ. Huntsville, AL, United States)
Ramsey, Brian
(NASA Marshall Space Flight Center Huntsville, AL, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2004
Subject Category
Metals And Metallic Materials
Meeting Information
Meeting: American Electroplaters and Surface Finishers Society''s Aerospace/Airline Plating and Metal Finishing Forum
Location: Tulsa, OK
Country: United States
Start Date: March 29, 2004
End Date: April 1, 2004
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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