VERFAHREN ZUR BEHANDLUNG EINER METALLOXIDSCHICHT, VERFAHREN ZUM VERBINDEN EINES MIT EINER METALLOXIDSCHICHT VERSEHENEN METALLGEGENSTANDES UND DARAUS HERGESTELLTE ANORDNUNGEN.

摘要

The naturally occurring metal oxide layer in contact with a metal in the bulk state is treated with a solution of a salt of yttrium or the lanthanide metals. The treatment is applied in order to increase the adhesive strength of bonds between the metal and subsequently applied adhesives and to enhance the durability of such bonds in aqueous environments. The concentration of the applied solution is preferably in the range 10<-><2> to 10<-><6>M. Yttrium or samarium nitrate is the preferred salt. The treatment is preferably used in conjunction with epoxy resin adhesives.