FLUID-CONTACTING MEMBER AND METHOD FOR MANUFACTURING FLUID-CONTACTING MEMBER

To provide a fluid contact member whose corrosion resistance is particularly further improved than that in the related art. In order to solve this problem, a fluid contact member 10 includes a fluid contact portion 1 configured to be in contact with a fluid, the fluid contact portion 1 has a cobalt-...

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Bibliographische Detailangaben
Hauptverfasser:	KAWANAKA Hirotsugu, HIRASAWA Daisuke, KANEDA Junya, HIRANO Sei, KIYOTOKI Yoshihisa
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACTUATING-FLOATS ALLOYS BLASTING CASTING CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COCKS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS FERROUS OR NON-FERROUS ALLOYS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MACHINE TOOLS MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY PERFORMING OPERATIONS POWDER METALLURGY SOLDERING OR UNSOLDERING TAPS THERMAL INSULATION IN GENERAL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS VALVES WEAPONS WELDING WORKING BY LASER BEAM WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	To provide a fluid contact member whose corrosion resistance is particularly further improved than that in the related art. In order to solve this problem, a fluid contact member 10 includes a fluid contact portion 1 configured to be in contact with a fluid, the fluid contact portion 1 has a cobalt-based alloy phase 2 having a dendrite, and a compound phase 3 formed in an arm space of the dendrite and containing chromium carbide, and among a plurality of secondary arms 5 extending from one primary arm 4 constituting the dendrite, an average interval between adjacent secondary arms 5 is 5 µm or less. At this time, the average interval is preferably 3 µm or less. Further, the compound phase 3 is preferably formed discontinuously in the dendrite arm space.