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オージェ電子分光分析法による鉄構材料の分析

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川崎製鉄技報 KAWASAKI STEEL GIHO

Vol.8 (1976) No.2

オージェ電子分光分析法による鉄構材料の分析

Application of Auger Electron Spectroscopy to Analysis of Iron and Steel 大橋 善治(Yoshiharu Ohashi) 角山 浩三(Kozo Tsunoyama)

要旨 : オージェ電子スペクトロスコピーの鉄鋼材料への応用について述べた。試料破断装置を用 いることにより,P-Cr-Mo 鋼における合金元素の粒界偏析と脆化の関係を明らかにした。 Fe-0.02%B 合金の加熱による合金元素の自由表面への偏析を調べ,B,Nが相伴って偏析 することを認めた。また,AES によって Fe 酸化物の形態分析を行い,M2,3VV ピークの シフトおよびL2,3MM の3本のピークの相対強度の変化を形態分析に利用しうることを示 した。 Synopsis :

Application of Auger electron spectroscopy to the iron and steel analysis has been studied. The apparatus for fracturing specimen in vacuum is used successfully for the study of segregation of P to the grain boundaries of Fe-Cr-Mo alloys: the concentration of P can be related to the temper embrittlement of the alloys. Surface segregation of alloy elements in Fe-0.02%B is investigated by heating the specimen in vacuum up to 950℃: it is found that B and N segregate to free surface simultaneously. It is shown that the energy shifts and the changes of relative intensities of Fe Auger peaks of oxidized iron can be used for chemical state analysis of Fe.

(c)JFE Steel Corporation, 2003

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