Technical note Some factors affecting corrosion resistance of eleetroless nickel

Abstract

Electroless nickel has been the subject of some concern in recent years because of an increased number of premature failures, particularly in chloride containing environments. Failure is usually associated with corrosion at defects present in the coating caused by improper pretreatment of the substrate and/or poor quality plating procedures. The present paper provides a summary of the principal results obtained in a group sponsored research programme carried out by CAPCIS and assisted by the University of Nottingham. The project was designed to investigate the role of several plating parameters in controlling the formation of defects within the electro less nickel coating.