Analysis of Corrosion Behavior of ZrO2-C Slag-line Materials in Continuous Casting

Analysis of Corrosion Behavior of ZrO2-C Slag-line Materials in Continuous Casting

In view of the service failure and low continuous casting production efficiency due to the corrosion of refractories at the slag-line in submerged entry nozzles,a submerged entry nozzle for low-carbon aluminum killed steel continuous casting in one steel plant was sampled and taken as the research o...

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Veröffentlicht in:中国耐火材料（英文版） 2023, Vol.32 (3), p.10-13
Hauptverfasser: TIAN Chen, ZHI Jianjun, GAN Feifang, FAN Zhengjie, GAO Hua, YUAN Lei, LIU Guoqi, YU Jingkun, LI Hongxia
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container_issue 3
container_start_page 10
container_title 中国耐火材料（英文版）
container_volume 32
creator TIAN Chen
ZHI Jianjun
GAN Feifang
FAN Zhengjie
GAO Hua
YUAN Lei
LIU Guoqi
YU Jingkun
LI Hongxia
description In view of the service failure and low continuous casting production efficiency due to the corrosion of refractories at the slag-line in submerged entry nozzles,a submerged entry nozzle for low-carbon aluminum killed steel continuous casting in one steel plant was sampled and taken as the research object to analyze the causes and the mechanism of refractory corrosion at the slag-line.The results show that the core issue of the corrosion and necking of the slag-line materials is that the slag-line material are eroded,dissolved,and reacted by the mold flux gradually.Therefore,it is important to suppress or avoid the contact and reaction between the mold flux and slag-line materials.
doi_str_mv 10.19691/j.cnki.1004-4493.2023.03.003
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title Analysis of Corrosion Behavior of ZrO2-C Slag-line Materials in Continuous Casting
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