PRODUCTION OF HEAT INSULATING METALLIC MEMBER

PURPOSE:To form a refractory heat insulating coating having no crack and peeling by coating an inorganic binder on the inside surface of a metallic member, sticking a refractory heat insulating material thereon, heat-treating it and thereafter coating the inorganic binder again to stick the powder o...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KIDO KANESUKE, YANO MITSURU, OCHI TOSHIYUKI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY STEAM ENGINES SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To form a refractory heat insulating coating having no crack and peeling by coating an inorganic binder on the inside surface of a metallic member, sticking a refractory heat insulating material thereon, heat-treating it and thereafter coating the inorganic binder again to stick the powder of the refractory material thereon. CONSTITUTION:After subjecting the inside surface of a metallic member to the degreasing treatment, a soln. of an inorganic binder such as sodium silicate is coated thereon and immediately the powder of a refractory heat insulating material such as 'SHIRASU' (volcanic glass) balloon is stuck and thereafter heat-treated to dry and solidify it. The refractory adiabatic layer is formed by performing this process in one and more times. A soln. of the inorganic binder is coated on the surface of this heat insulating layer and immediately the powder of the refractory this heat insulating layer and immediately the powder of the refractory material such as zirconia is stuck and heat-treated to dry and solidify it. The refractory layer is formed by performing this process of the second in one and more times. By this method, the refractory heat insulating coating having a required thickness can be formed in the excellent operation efficiency.