Pressurization alkali-boiling method for removing ceramic layer in thermal barrier coating

The invention discloses a pressurization alkali-boiling method for removing a ceramic layer in a thermal barrier coating. According to the pressurization alkali-boiling method for removing the ceramiclayer in the thermal barrier coating, alkali liquor is used for removing the ceramic layer in the th...

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Hauptverfasser:	ZHANG PENG, LIU HAILANG, ZHAO YANHUI, GUO YUE'E, WANG YUFENG, YANG PENG, KOU LUWEN, ZHANG HUA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS 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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY
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creator	ZHANG PENG LIU HAILANG ZHAO YANHUI GUO YUE'E WANG YUFENG YANG PENG KOU LUWEN ZHANG HUA
description	The invention discloses a pressurization alkali-boiling method for removing a ceramic layer in a thermal barrier coating. According to the pressurization alkali-boiling method for removing the ceramiclayer in the thermal barrier coating, alkali liquor is used for removing the ceramic layer in the thermal barrier coating; when the ceramic layer is removed, an alpha-Al2O3 layer on the interface ofthe ceramic layer and a metal layer chemically reacts with an alkali solution under a high temperature and a high pressure, so that the ceramic layer is tripped, damage to the metal bottom layer is avoided, and the metal bottom layer does not need to be repaired, so that the procedures are simple, and re-coating of the ceramic layer is facilitated. The pressurization alkali-boiling method can be implemented conveniently and rapidly, the equipment structure is simple, and operation is easy. Compared with a traditional mechanical sand blasting method, the process parameters can be accurately controlled, and the consisten
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According to the pressurization alkali-boiling method for removing the ceramiclayer in the thermal barrier coating, alkali liquor is used for removing the ceramic layer in the thermal barrier coating; when the ceramic layer is removed, an alpha-Al2O3 layer on the interface ofthe ceramic layer and a metal layer chemically reacts with an alkali solution under a high temperature and a high pressure, so that the ceramic layer is tripped, damage to the metal bottom layer is avoided, and the metal bottom layer does not need to be repaired, so that the procedures are simple, and re-coating of the ceramic layer is facilitated. The pressurization alkali-boiling method can be implemented conveniently and rapidly, the equipment structure is simple, and operation is easy. Compared with a traditional mechanical sand blasting method, the process parameters can be accurately controlled, and the consisten</abstract><oa>free_for_read</oa></addata></record>
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subjects	CHEMICAL SURFACE TREATMENT CHEMISTRY CLEANING OR DEGREASING OF METALLIC MATERIAL BY CHEMICALMETHODS OTHER THAN ELECTROLYSIS 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 INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY
title	Pressurization alkali-boiling method for removing ceramic layer in thermal barrier coating
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