Acta Metall Sin  1998, Vol. 34 Issue (3): 283-287    DOI:

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SOLIDIFICATION PROCESS AND PARTITION COEFFICIENTS OF ALLOYING ELEMENT IN HIGH SPEED STEEL WITH HIGH C, V USED FOR ROLLERS

ZHOU Hong; WANG Jinguo; JIA Shusheng; LIAN Jianshe(Department of Metallic Materials; Jilin University of Technology; Changchun 130025 OGI Keisaku Kyushu University; Fukuoka;Japan )

ZHOU Hong; WANG Jinguo; JIA Shusheng; LIAN Jianshe(Department of Metallic Materials; Jilin University of Technology; Changchun 130025 OGI Keisaku Kyushu University; Fukuoka;Japan ). SOLIDIFICATION PROCESS AND PARTITION COEFFICIENTS OF ALLOYING ELEMENT IN HIGH SPEED STEEL WITH HIGH C, V USED FOR ROLLERS. Acta Metall Sin, 1998, 34(3): 283-287.

Abstract References Related Articles Recommended Metrics Download:  PDF(1089KB)  Export:  BibTeX | EndNote (RIS)       Abstract  The partition coefficients of elements during solidification were measured to investigate the forming mechanism of the solidification structure in Fe-C-5 Cr-5Mo-5W-V alloy. The changing of the alloy liquid composition with solidification process was analysed by calculation and experiment. The partition behaviour of alloy elements during solidification and the relationship between the change of liquid phase composition and solidilication reaction were determiend. After primary crystal had been formed in the alloy the eutectic reactions carried in the sequences of γ+MC, γ+M2C and γ+M7C3 when C content was lower than 3.0%, and in the sequences of γ+MC, γ+M7C3 and γ+M2C when C content was higher than 3.0%. The longer the distance between the alloy composition point and eutectic point, the more the primary crystal phase formed, on the contrary, the more eutectic structures formed. The eutectic reaction L→γ+MC occuring at low C content was beneficial to obtain more eutectic MC. Key words:  high speed steel      solidification      partition eocfficient      C-V alloy      Received:  18 March 1998      Service E-mail this article Add to citation manager E-mail Alert RSS （） Articles by authors URL:  https://www.ams.org.cn/EN/     OR     https://www.ams.org.cn/EN/Y1998/V34/I3/283 1滨日贵成,周宏,村井典子,小野幸德,大城桂作.材料,1993; 6: 1367(Hamada K, Zhou Hong, Murai D, Ono K, Ogi K. Mate, Eng, 1993; 6: 1367) 2周宏.农业机械学报,1997; 28(Suppl):113(Zhou Hong. Trans Chin Soc Agric Mach,1997;28(Suppl):113) 3滨四贵成九州大学硕士学位论文,福冈,日本,1994(Hamada K. Maste,Thesis, Kyushu University, Fukuoka,Japan, 1994) 4山崎健治九州大学硕士学位论文,福罔,日本,1993(Yamasaki K. 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