ROLL FOR CONVEYING HIGH-TEMPERATURE MEMBER, ITS MANUFACTURING METHOD, AND THERMAL SPRAYING MATERIAL

PROBLEM TO BE SOLVED: To provide a technology for forming a highly durable coating with respect to a roll for conveyance, such as a hot run table roller, for conveying a high-temperature member, such as a hot-rolled steel material, at high speed; a method capable of forming a uniform quench-hardened...

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Bibliographische Detailangaben
Hauptverfasser:	HARADA YOSHIO, SHIGEMURA SADATO
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CASTING 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 CONVEYING DIFFUSION TREATMENT OF METALLIC MATERIAL FERROUS OR NON-FERROUS ALLOYS HANDLING THIN OR FILAMENTARY MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL METALLURGY PACKING PERFORMING OPERATIONS PNEUMATIC TUBE CONVEYORS POWDER METALLURGY PUNCHING METAL ROLLING OF METAL SHOP CONVEYOR SYSTEMS STORING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING ORTIPPING TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a technology for forming a highly durable coating with respect to a roll for conveyance, such as a hot run table roller, for conveying a high-temperature member, such as a hot-rolled steel material, at high speed; a method capable of forming a uniform quench-hardened layer on a roll surface, maintaining effects of the layer over a long time, inexpensively forming a sprayed coating with excellent durability and advantageously forming the sprayed coating; and a thermal spraying material used in this method. SOLUTION: On the surface of a roll base material for conveying the high-temperature member, the sprayed coating which contains cast iron powder in an Ni-based self-fluxing alloy matrix after remelting dispersed therein is formed. COPYRIGHT: (C)2007,JPO&INPIT