Process for improving the resistance to corrosion of stainless s

Details Process for improving the resistance to corrosion of stainless s Process for improving the resistance to corrosion of stainless s

1992-05-26

1993-05-04

Pianalto, Bernard

Coating processes

Direct application of electrical, magnetic, wave, or...

Ion plating or implantation

427405, 4274197, 427528, 427530, 427531, C23C 1400

Patent

active

052080790

ABSTRACT:
There is provided a process for improving the resistance to corrosion of stainless steel by ion plating process, the process comprising coating a component-adjusted stainless steel having an Mn/S ratio of less than 100 as substrate with a Ti-layer for surface preparation, coating directly the resulting Ti-layer or indirectly a TiC-layer, which has been coated onto the Ti-layer in advance as intermediate, with a TiN-layer in a total thickness of 1 to 3 .mu.m.
The TiN-coated stainless steel according to the present invention may be widely used as corrosion-resistant metallic materials for preparing articles which can be employed under wet conditions such as tableware.

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