PASSIVATION TREATMENT METHOD AND PASSIVATION TREATMENT LIQUID AND PASSIVATION TREATED VESSEL

To provide an easier passivation treatment for stainless steel component in a passivation treatment method for the stainless steel component.SOLUTION: A passivation treatment method for a stainless steel component comprises a passivation treatment process (S12) in which the stainless steel component...

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Hauptverfasser:	TAMURA HIROMITSU, FUKUSHIMA NORIAKI, FUKUOKA MARI, YAKABE NATSUKI, ASANO TORU, AKAMINE KENICHI, IAI YUICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY 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 DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	To provide an easier passivation treatment for stainless steel component in a passivation treatment method for the stainless steel component.SOLUTION: A passivation treatment method for a stainless steel component comprises a passivation treatment process (S12) in which the stainless steel component is immersed in or applied with a passivation treatment liquid including a photocatalyst active material and water, and then passivation-treated by irradiating at least either of ultraviolet light or visible light.SELECTED DRAWING: Figure 1 【課題】ステンレス鋼部品の不動態化処理方法において、ステンレス鋼部品をより簡易に不動態化処理することである。【解決手段】ステンレス鋼部品の不動態化処理方法は、ステンレス鋼部品を、光触媒活性物質と、水とを含む不動態化処理液に浸漬または塗布し、紫外線及び可視光線の少なくとも一方を照射して不動態化処理する不動態化処理工程（Ｓ１２）を備える。【選択図】図１