GLASS-CERAMIC COATINGS FOR USE ON METAL SUBSTRATES

The instant invention is concerned with the preparation of glass-ceramic coatings capable of being fired repeatedly to temperatures in excess of 950.degree.C without thermal deformation and being particularly suitable for application to low carbon and titanium-stabilized stainless steels. The coatin...

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Bibliographische Detailangaben
1. Verfasser:	CHYUNG, KENNETH
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS GLASS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY MINERAL OR SLAG WOOL PRINTED CIRCUITS SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	The instant invention is concerned with the preparation of glass-ceramic coatings capable of being fired repeatedly to temperatures in excess of 950.degree.C without thermal deformation and being particularly suitable for application to low carbon and titanium-stabilized stainless steels. The coatings are substantially free from alkali metal oxides and consist essentially, expressed in terms of weight percent on the oxide basis, of: BaO 10-60 B2O3 5-30 SiO2 25-40 Al2O3 0-15 CaO 0-15 MgO 10-35 ZnO 0-16 Al2O3 + CaC + ZnO 5-20