X線光電子スペクトルによる鋼板表面被膜の分析 : 電解クロム酸処理鋼板

概要

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X-ray photoelectron spectrometry (XPS or ESCA), a new technique of physical analysis, was applied to the analysis of surface film (thickness;about300Å) of an electrolytic chromic acid conversion coating steel (Tin Free Steel);it is estimated that the film is made up of a hydrated chromium oxide and a metallic chromium layers.Photoelectron spectrum was measured for each new surface obtained by sputtering the film, in order to obtain analytical information of the depth direction for the film.The state of the sputtered surface of the film was compared to each other after making to replica, using an electron microscopic observation.The variation of the peak intensities for CrL<SUB>3</SUB>, FeL<SUB>3</SUB> and OK with each sputtering time of the film showed an interesting behavior, by which the structure of the film was discussed.This investigation suggests that new analytical information may be obtained for the surface of steel by an X-ray photoelectron spectrometric analysis.
社団法人日本分光学会の論文