An electroplated article is provided comprising a polymeric substrate bearing an electroplated metal layer comprising copper and tin in an atomic ratio of less than 96:4, in some embodiments less than 87:13 and in some embodiments less than 82:18; wherein the atomic ratio of copper to tin is greater than 55:45, and wherein the electroplated metal layer comprises at least 3.5 weight % tin. The electroplated metal layer comprises an alloy having a melting point of less than 1050° C. and in some cases less than 800° C. The electroplated metal layer has a Young's Modulus of less than 15.0 GPa, in some embodiments less than 13.0 GPa, and in some less than 10.0 GPa. In addition, an electroplating solution is provided comprising Cu(II) ions, Sn (II) ions, Zn(II) ions, 1-methionine, and no cyanide anion.
PLATING BRONZE ON POLYMER SHEETS
PLATTIERUNG VON BRONZE AUF POLYMERFOLIEN
BRONZE DE PLACAGE SUR FEUILLES DE POLYMÈRE
2020-09-02
Patent
Electronic Resource
English
IPC: | C22C Legierungen , ALLOYS / C23C Beschichten metallischer Werkstoffe , COATING METALLIC MATERIAL / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / C25D Verfahren für die elektrolytische oder elektrophoretische Herstellung von Überzügen , PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS |