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Volume 8, Issue 3 (March 2011)
The Effect of Si on the Precipitates for Nb Bearing High Purity Ferritic Stainless Steel
(Received 13 July 2010; accepted 23 January 2011)
Published Online: 11 March 2011
CODEN: JAIOAD
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The effect of Si on the precipitation of the Laves phase in high purity 17Cr–0.5Nb ferritic stainless steel was investigated. Precipitation was observed using a scanning electron microscope and transmission electron microscope. Quantitative analysis of the amount of precipitates as Laves phase was performed. The precipitation rate of the Laves phase and the equilibrium amount of precipitates of the Laves phase increased with the amount of Si. A Si peak was detected in the Laves phase in 0.5Si steel by energy dispersive X-ray spectrometer analysis. It was revealed that precipitation of the Laves phase was promoted and the chemical composition of the Laves phase was changed by the addition of Si.
Author Information:
Ito, Masatoshi
Graduate Student, Kyushu Univ., Fukuoka,
Honda, Yuma
Graduate Student, Kyushu Univ., Fukuoka,
Aramaki, Masatoshi
Research Associate, Kyushu Univ., Fukuoka,
Kato, Yasushi
Senior Researcher, JFE Steel Corporation, Chuo-ku, Chiba,
Furukimi, Osamu
Professor, Kyushi Univ., Fukuoka,
Stock #: JAI103250
ISSN:1546-962X
DOI: 10.1520/JAI103250
AuthorTitle The Effect of Si on the Precipitates for Nb Bearing High Purity Ferritic Stainless Steel
Symposium ,
Committee A01