HEAT RESISTANT CORROSION-RESISTANT FILM

PURPOSE: To obtain a heat resistant corrosion-resistant film formed to be adhered to the surface of a high-temperature heat transfer unit like various boilers. CONSTITUTION: A heat resistant corrosion-resistant film comprises a mixture of Al2 O3 , CaCO3 and Na2 SO4 is adhered to the surface of a hig...

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Bibliographische Detailangaben
1. Verfasser:	TOKUNAGA KIKUO
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 MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION DIFFUSION TREATMENT OF METALLIC MATERIAL HEAT EXCHANGE IN GENERAL HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLICMATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASSC23 AND AT LEAST ONEPROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25 NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE: To obtain a heat resistant corrosion-resistant film formed to be adhered to the surface of a high-temperature heat transfer unit like various boilers. CONSTITUTION: A heat resistant corrosion-resistant film comprises a mixture of Al2 O3 , CaCO3 and Na2 SO4 is adhered to the surface of a high-temperature heat transfer unit tube via aluminate binder in such a manner that the CaCO3 /Al2 O3 (molar ratio) of the formed film is 0.07-0.9, and Na2 SO4 /Al2 O3 (molar ratio) is 0.1-0.5.