$Multi-layer refractory structure and a wall provided with such a refractory structure$

Multi-layer refractory structure and a wall provided with such a refractory structure

A multi-layer refractory structure is provided capable of withstanding high temperatures of the order of 2000 DEG C. to 2500 DEG C. for hundreds of hours. This structure comprises at least two layers, the first of which, subjected directly to said high temperatures and formed by a simple or composit...

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Bibliographische Detailangaben
Hauptverfasser:	PINEAU, DIDIER
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 MANUFACTURE OF IRON OR STEEL METALLURGY METALLURGY OF IRON SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION
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Beschreibung
Zusammenfassung:	A multi-layer refractory structure is provided capable of withstanding high temperatures of the order of 2000 DEG C. to 2500 DEG C. for hundreds of hours. This structure comprises at least two layers, the first of which, subjected directly to said high temperatures and formed by a simple or composite metal oxide or a zirconate, has a thickness between about 1 mm and 4 mm and a specific gravity between about 2.2 and 4.8 and the second layer of which, which serves as support for said first layer, is of the same nature as this latter and has a thickness between about 5 mm and 12 mm and a specific gravity between about 2.2 and 4.2.