Method of producing workpieces of non-corrosion-resistant metals

Details Method of producing workpieces of non-corrosion-resistant metals Method of producing workpieces of non-corrosion-resistant metals

1994-10-17

1996-02-27

Utech, Benjamin

Electrolysis: processes, compositions used therein, and methods

Electrolytic coating

Depositing predominantly alloy coating

205241, 427249, 4272551, 427437, C25D 358

Patent

active

054945658

ABSTRACT:
Workpieces of non-corrosion-resistant metals are provided with a wear-resistant, non-metallic layer of a nitride, carbide, boride, oxide or silicide of an element of the fourth to the sixth subgroup applied by PVD (physical vapor deposition) after a corrosion-resistant intermediate layer had been previously applied. An intermediate layer consisting of a copper-tin alloy with 45 to 80% copper, 10 to 55% tin and 0 to 15% zinc proved to be corrosion-resistant and noble and in addition does not cause any skin allergy.

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