CORROSION PREVENTION STRUCTURE OF METALLIC STRUCTURE, CORROSION PREVENTION METHOD AND CORROSION-PREVENTING BODY

PROBLEM TO BE SOLVED: To provide the corrosion prevention structure of a metallic structure with which corrosion prevention stable over a long period of time can easily and securely be applied even to a metallic structure having complicated structure. SOLUTION: In the corrosion prevention structure...

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Bibliographische Detailangaben
Hauptverfasser:	NAKAYA NOBUTO, WAKANA KAZUYUKI, TOMIMATSU YASUHIDE, IMAMURA KEIJI
Format:	Patent
Sprache:	eng
Schlagworte:	ASSEMBLY OF BRIDGES 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 CONSTRUCTION OF BRIDGES CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES DIFFUSION TREATMENT OF METALLIC MATERIAL FIXED CONSTRUCTIONS 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 OR VIADUCTS PERFORMING OPERATIONS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide the corrosion prevention structure of a metallic structure with which corrosion prevention stable over a long period of time can easily and securely be applied even to a metallic structure having complicated structure. SOLUTION: In the corrosion prevention structure of the metallic structure, the surface of the metallic structure 2 to be subjected to corrosion prevention is provided with a liquid-permeable layer 3, further, the outside of the liquid-permeable layer 3 is provided with a corrosion prevention layer 4, wherein the corrosion prevention layer 4 consists of a composite containing: a galvanic-anodic metal with a potential lower than that of the metal composing the metallic structure 2 to be subjected to corrosion prevention; and an electrolyte forming material. The outside of the corrosion prevention layer 4 is preferably provided with a covering layer 6. The corrosion prevention structure is preferably provided with an electrically conductive material 5 arranged in such a manner that one end part thereof is joined to the metallic structure 2 to be subjected to corrosion prevention and the other end part reaches the corrosion prevention layer 4. COPYRIGHT: (C)2005,JPO&NCIPI