Wear and corrosion resistance of Fe-N based micrograin soft magnetic thin films

Author

Katori, Kenji ; Ohmori, Hiroyuki ; Shoji, Mitsuharu ; Hayashi, Kazuhiko

Author_Institution

Res. Center, Sony Corp., Yokohama, Japan

Volume

30

Issue

2

fYear

1994

fDate

3/1/1994 12:00:00 AM

Firstpage

331

Lastpage

336

Abstract

Wear resistance of Fe-N based micrograin and other soft magnetic thin films was measured using commercial 8 mm VCR and tapes. Fe-Ta-N and Fe-Al-N films which contain ceramics phase such as Ta-N show a high Vickers hardness, but their wear resistance was not the highest one. Fe-Ru-Ga-Si and Fe-Al-V-Nb-O-N films showed low wear loss when they were rubbed by ME tapes. Corrosion properties were estimated by measuring the quantity of Fe dissolved into salt water after dipping a surface lapped thin film specimen. Nitrogen showed a remarkable effect in reducing the corrosion of Fe-N films. Cu was round to be an attractive additional element to increase the corrosion resistance without decreasing magnetic properties for Fe-Al-V-Nb-O-N films

Keywords

corrosion testing; hardness testing; iron alloys; magnetic recording; wear testing; Fe-Al-N films; Fe-Al-V-Nb-O-N; Fe-N based micrograin; Fe-Ru-Ga-Si; Fe-Ta-N films; FeAlN; FeAlVNbON; FeRuGaSi; FeTaN; ME tapes; VCR; Vickers hardness; corrosion resistance; magnetic properties; soft magnetic thin films; surface lapped thin film specimen; wear loss; wear resistance; Ceramics; Corrosion; Electrical resistance measurement; Iron; Magnetic films; Nitrogen; Surface resistance; Transistors; Video recording; Water;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.312282

Filename

312282