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A Mathematical Model for Carbon Loss of Blast Furnace Based on Traditional Engineering Method Read chapter Read first chapter

2019 | OriginalPaper | Chapter

Dependency of Microstructure and Inclusions on the Different Growth Rate for Directionally Solidified Non-quenched and Tempered Steel

Authors : Hui Liu, Jianbo Xie, Honggang Zhong, Qijie Zhai, Jianxun Fu

Published in: 10th International Symposium on High-Temperature Metallurgical Processing

Publisher: Springer International Publishing

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Abstract

Using a Bridgman directional solidification furnace, the solidification experiments of a non-quenched and tempered steel were directionally conducted at a temperature ingredient with various growth rates (v = 10–300 μm/s). The values of the dendrite arm spacing and mean diameter of MnS (dMnS) inclusions in the steady uni-solidification zone were measured. Based on these results, dMnS is more directly related to the secondary dendrite arm spacing (λ2) than the primary one. Besides, the values of dMnS and λ2 decrease with increasing growth rate. The relationship between λ2 and dMnS with growth rate was determined by linear regression analysis. Therefore, λ2 = 472.06 v−0.375, dMnS = 4.45 v−0.125, and the linear fitting exponent values obtained in this work were nearly same with the previous data in similar systems.

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Metadata
Title
Dependency of Microstructure and Inclusions on the Different Growth Rate for Directionally Solidified Non-quenched and Tempered Steel
Authors
Hui Liu
Jianbo Xie
Honggang Zhong
Qijie Zhai
Jianxun Fu
Copyright Year
2019
Book
10th International Symposium on High-Temperature Metallurgical Processing

Print ISBN: 978-3-030-05954-5

Electronic ISBN: 978-3-030-05955-2

Copyright Year: 2019

DOI
https://doi.org/10.1007/978-3-030-05955-2_26

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