SURFACE TREATMENT METHOD FOR METALLIC MATERIAL

PROBLEM TO BE SOLVED: To provide a metallic material that is remarkably excellent in heat- exchanging ability and steam condensing ability as compared with the conventional material by reforming a highly heat-conductive metallic material to have an ideal surface form for heat exchange and water cond...

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Bibliographische Detailangaben
1. Verfasser:	SUDA SEIJIRO
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING 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 DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OFGENERAL APPLICATION DIFFUSION TREATMENT OF METALLIC MATERIAL HEAT EXCHANGE IN GENERAL HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING 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 WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a metallic material that is remarkably excellent in heat- exchanging ability and steam condensing ability as compared with the conventional material by reforming a highly heat-conductive metallic material to have an ideal surface form for heat exchange and water condensation. SOLUTION: An extremely fine groove structure which accelerates water condensation or heat transfer is formed on the surface of the metallic material composed of Al, an Al alloy, Cu, an Cu alloy, etc., by treating the material by bringing an oversaturated aqueous solution of a metal fluoride into contact with the material.