DENSIFICATION OF HARD CHROME PLATED SURFACES

Porous chrome plated surfaces are densified by treating the surface with a chromic acid solution and heating the part to cure and bring about the conversion of the chromic acid to chromic oxide. The procedure may be repeated as required until the pores and cracks have been filled.

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Bibliographische Detailangaben
1. Verfasser:	JACOBS, LOUIS J
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	Porous chrome plated surfaces are densified by treating the surface with a chromic acid solution and heating the part to cure and bring about the conversion of the chromic acid to chromic oxide. The procedure may be repeated as required until the pores and cracks have been filled.