Effect of melting rate on the Ti-Riched segregation in NbTi alloy ingot

Baoquan Fu; Pingxiang Zhang; Jinshan Li; Kai Fan; Yongjian Zheng; Yongsheng He; Yi Zhang; Xianghong Liu; Yong Feng

Effect of melting rate on the Ti-Riched segregation in NbTi alloy ingot

Baoquan Fu, Pingxiang Zhang, Jinshan Li, Kai Fan, Yongjian Zheng, Yongsheng He, Yi Zhang, Xianghong Liu, Yong Feng

材料学院

科研成果: 期刊稿件 › 文章 › 同行评审

摘要

The melting rate can influence the content of Ti at the solid/liquid interface according to the classic solidification theory; then, the Ti-riched segregation has been researched in the NbTi alloy ingots prepared at different melting rates. The results indicate that the Ti-riched segregation in grain boundary is restrained by decreasing the melting rate. It is advantageous to improve the macro- and micro-elements homogeneity for NbTi ingot. The Φ 520 mm NbTi ingot, whose surface and homogeneity are very good, is fabricated at 9 kg/min melting rate and it reaches the standard of WahChang of U.S. Finally, the appropriate melting rate of fabricating NbTi alloy ingot is obtained for engineering application.

源语言	英语
页（从-至）	3143-3148
页数	6
期刊	Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering
卷	43
期	12
出版状态	已出版 - 1 12月 2014

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title = "Effect of melting rate on the Ti-Riched segregation in NbTi alloy ingot",

abstract = "The melting rate can influence the content of Ti at the solid/liquid interface according to the classic solidification theory; then, the Ti-riched segregation has been researched in the NbTi alloy ingots prepared at different melting rates. The results indicate that the Ti-riched segregation in grain boundary is restrained by decreasing the melting rate. It is advantageous to improve the macro- and micro-elements homogeneity for NbTi ingot. The Φ 520 mm NbTi ingot, whose surface and homogeneity are very good, is fabricated at 9 kg/min melting rate and it reaches the standard of WahChang of U.S. Finally, the appropriate melting rate of fabricating NbTi alloy ingot is obtained for engineering application.",

keywords = "Black spot, Melting rate, NbTi, Tree ring",

author = "Baoquan Fu and Pingxiang Zhang and Jinshan Li and Kai Fan and Yongjian Zheng and Yongsheng He and Yi Zhang and Xianghong Liu and Yong Feng",

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TY - JOUR

T1 - Effect of melting rate on the Ti-Riched segregation in NbTi alloy ingot

AU - Fu, Baoquan

AU - Zhang, Pingxiang

AU - Li, Jinshan

AU - Fan, Kai

AU - Zheng, Yongjian

AU - He, Yongsheng

AU - Zhang, Yi

AU - Liu, Xianghong

AU - Feng, Yong

PY - 2014/12/1

Y1 - 2014/12/1

N2 - The melting rate can influence the content of Ti at the solid/liquid interface according to the classic solidification theory; then, the Ti-riched segregation has been researched in the NbTi alloy ingots prepared at different melting rates. The results indicate that the Ti-riched segregation in grain boundary is restrained by decreasing the melting rate. It is advantageous to improve the macro- and micro-elements homogeneity for NbTi ingot. The Φ 520 mm NbTi ingot, whose surface and homogeneity are very good, is fabricated at 9 kg/min melting rate and it reaches the standard of WahChang of U.S. Finally, the appropriate melting rate of fabricating NbTi alloy ingot is obtained for engineering application.

AB - The melting rate can influence the content of Ti at the solid/liquid interface according to the classic solidification theory; then, the Ti-riched segregation has been researched in the NbTi alloy ingots prepared at different melting rates. The results indicate that the Ti-riched segregation in grain boundary is restrained by decreasing the melting rate. It is advantageous to improve the macro- and micro-elements homogeneity for NbTi ingot. The Φ 520 mm NbTi ingot, whose surface and homogeneity are very good, is fabricated at 9 kg/min melting rate and it reaches the standard of WahChang of U.S. Finally, the appropriate melting rate of fabricating NbTi alloy ingot is obtained for engineering application.

KW - Black spot

KW - Melting rate

KW - NbTi

KW - Tree ring

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AN - SCOPUS:84920896802

SN - 1002-185X

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JO - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

JF - Xiyou Jinshu Cailiao Yu Gongcheng/Rare Metal Materials and Engineering

IS - 12

ER -

Effect of melting rate on the Ti-Riched segregation in NbTi alloy ingot

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