MULTILAYER MATERIAL WITH ENHANCED CORROSION RESISTANCE (VARIANTS) AND METHODS FOR PREPARING SAME

The present invention relates to the development of variants of multilayer structural materials with enhanced corrosion resistance, including successively connected outer main layers which directly contact corrosive operating environments on one or both sides of the multilayer material and, disposed...

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Bibliographische Detailangaben
Hauptverfasser:	USATY, SERGEI GENNADIEVICH, PERELYGIN, JURY PETROVICH, GORDOPOLOV, JURY ALEXANDROVICH, ROZEN, ANDREI ANDREEVICH, LOS, IRINA SERGEEVNA, KRYUKOV, DMITRY BORISOVICH, ABRAMOV, PAVEL IVANOVICH, DENISOV, IGOR VLADIMIROVICH, PERVUKHIN, LEONID BORISOVICH, KIRY, GENNADY VLADIMIROVICH, PERVUKHINA, OLGA LEONIDOVNA
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ALLOYS 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 DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM 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 PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	The present invention relates to the development of variants of multilayer structural materials with enhanced corrosion resistance, including successively connected outer main layers which directly contact corrosive operating environments on one or both sides of the multilayer material and, disposed therebetween, alternating internal main and internal sacrificial layers. The main layers are made of metallic materials which are characterized by a state of passivity over a prolonged period with subsequent development therein of pitting-type corrosion, while the internal sacrificial layers, which contact the corrosive operating environment as deep foci of pitting corrosion develop in the preceding outer and internal main layers, are characterized by the development of general corrosion and have a protective action in relation to the outer and internal main layers. Methods for preparing such materials are proposed.