Composite body and method for production thereof

A composite body has a base body made from steel and has a heating coating applied thereto. The base body is produced from a precipitation-hardened steel and has a round or arched surface for the heating coating when used as a distribution or material pipe in a heating channel system. The heating co...

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Bibliographische Detailangaben
Hauptverfasser:	GUNTHER, HERBERT, OTSCHIK, PETER, KRETSCHMAR, CHRISTEL, PARTSCH, UWE
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:	A composite body has a base body made from steel and has a heating coating applied thereto. The base body is produced from a precipitation-hardened steel and has a round or arched surface for the heating coating when used as a distribution or material pipe in a heating channel system. The heating coating is embodied as a layer composite with several layers and/or layer elements which are serially applied as thick layer pastes or films, dried and baked. A pressurized pre-stressing produced thus in the heating coating can be selectively increased by means of precipitation hardening of the base body.