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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 3    No. 1    March 1993

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SURFACE OXIDATION OF THE AMORPHOUS ALLOY Ni68P18Cr14
Jiang Honggang; Wang Jingtang; Ding.Bingzhe

Instinte of Metal Research.Acudemia Sinica Shenyang 110015.China

Abstract:The surface layer of Ni68P18Cr14 amorphous alloy was studied by AES and XPS associated with ion beam sputtering. It was found that great differences existed between the surface layer and the bulk both in composition and chemical states. The dominant component elements Ni and P were of lower content in the surface laver, while Cr was enriched. Cr was drastically oxidized in the surface layer, but Ni underwent no oxidation. There was a P enriched region just helow the surface oxide layer, which was supposed to enhance the surface segregation of Cr. Ni underwent no oxidation in Ni68P18Cr14 amorphous alloy.

 

Key words: surface layer oxidation amorphous alloy Ni68P18Cr14

ISSN 1672-7029
CN 43-1423/U

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