Effect of Selective Crystallization of Al2O3 in ANF-6 Slag on Ingredient and Structure of Final Slag and Slag Skin during ESR Process

赵俊学; 李永波; 张振强; 李小明; 崔雅茹; 唐雯聃

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Effect of Selective Crystallization of Al2O3 in ANF-6 Slag on Ingredient and Structure of Final Slag and Slag Skin during ESR Process

更新时间：2026-01-21

- Effect of Selective Crystallization of Al2O3 in ANF-6 Slag on Ingredient and Structure of Final Slag and Slag Skin during ESR Process
- Special Steel Vol. 35, Issue 6, Pages: 9-11(2014)
- 作者机构：
  
  西安建筑科技大学冶金工程学院,西安,710055
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 June 2014，
  
  Online First：19 August 2022，
  
  Published：19 August 2014
- 稿件说明：
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赵俊学, 李永波, 张振强, et al. Effect of Selective Crystallization of Al2O3 in ANF-6 Slag on Ingredient and Structure of Final Slag and Slag Skin during ESR Process[J]. Special Steel, 2014, 35(6): 9-11.
DOI：

赵俊学, 李永波, 张振强, et al. Effect of Selective Crystallization of Al2O3 in ANF-6 Slag on Ingredient and Structure of Final Slag and Slag Skin during ESR Process[J]. Special Steel, 2014, 35(6): 9-11. DOI：

摘要

分析和检测了MC5钢7.6 t锭总渣量310 kg ANF-6渣系（/%:69.14CaF

29.51Al

0.54CaO

0.83SiO

）电渣重熔（ESR）过程中渣头、渣皮形成过程、成分和结构。结果表明

ESR后渣中CaF

和Al

含量明显降低

CaO、SiO

含量明显增高;ESR渣皮最外层是急冷层

中间层是选分结晶层

含量明显高于初始值

第3层是共晶层;渣皮在不同高度的平均成分存在明显差异

其中中部渣皮Al

含量明显高于初始值。

Abstract

The forming process

ingredient and structure of final slag and slag skin during electroslag remelting (ESR) process of 7. 6 t ingot of steel MC5 with 310 kg ANF-6 slag (/% ：69.14CaF

29.51Al

0. 54CaO

0. 83SiO

) are analyzed and examined. Results show that after ESR the CaF

and Al

content in final slag decrease obviously and the CaO and SiO

content increase markedly; the ESR slag skin is divided into three layer from outside to inside of skin

that are the outside-rapid cooling layer

the middle-selective recrystallization layer

in this layer the Al

content is obviously higher than that original value

and the inside thi

rd layer-eutectic layer； the average ingredient content in different height has obvious difference

in it the Al

content in median part is obvious higher than original value.

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