Comprehensive model for a slag bath in electroslag remelting process with a current-conductive mould

被引：17

作者：

Liu, Fu-bin ^{[1
]}

Zang, Xi-min ^{[2
]}

Jiang, Zhou-hua ^{[1
]}

Geng, Xin ^{[1
]}

Yao, Man ^{[3
]}

机构：

[1] Northeastern Univ, Sch Met & Mat, Shenyang 110819, Peoples R China

[2] Univ Sci & Technol Liaoning, Sch Met & Mat, Anshang 114051, Peoples R China

[3] Dalian Univ Technol, Sch Mat Sci & Engn, Dalian 116024, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2012年 / 19卷 / 04期

基金：

中国博士后科学基金;

关键词：

electroslag remelting; mathematical models; slag bath; temperature distribution;

D O I：

10.1007/s12613-012-0555-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A mathematical model was developed to describe the interaction of multiple physical fields in a slag bath during electroslag remelting (ESR) process with a current-conductive mould. The distributions of current density, magnetic induction intensity, electromagnetic force, Joule heating, fluid flow and temperature were simulated. The model was verified by temperature measurements during remelting 12CrMoVG steel with a slag of 50wt%-70wt% CaF2, 20wt%-30wt% CaO, 10wt%-20wt% Al2O3, and <= 10wt% SiO2 in a 600 mm diameter current-conductive mould. There is a good agreement between the calculated temperature results and the measured data in the slag bath. The calculated results show that the maximum values of current density, electromagnetic force and Joule heating are in the region between the corner electrodes and the conductivity element. The characteristics of current density distribution, magnetic induction intensity, electromagnetic force, Joule heating, velocity patterns and temperature profiles in the slag bath during ESR process with current-conductive mould were analyzed.

引用

页码：303 / 311

页数：9

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