A Finite Element Analysis on Thermal Transformation and Thermal-Mechanical Deformation during 230 mm x 1500 mm Slab Casting and Solidifying Process

詹美珠

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A Finite Element Analysis on Thermal Transformation and Thermal-Mechanical Deformation during 230 mm x 1500 mm Slab Casting and Solidifying Process

更新时间：2026-01-21

- A Finite Element Analysis on Thermal Transformation and Thermal-Mechanical Deformation during 230 mm x 1500 mm Slab Casting and Solidifying Process
- Special Steel Vol. 35, Issue 2, Pages: 5-8(2014)
- 作者机构：
  
  首钢京唐钢铁联合有限责任公司制造部,唐山,063200
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：05 September 2013，
  
  Online First：06 September 2022，
  
  Published：06 September 2014
- 稿件说明：
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詹美珠. A Finite Element Analysis on Thermal Transformation and Thermal-Mechanical Deformation during 230 mm x 1500 mm Slab Casting and Solidifying Process[J]. Special Steel, 2014, 35(2): 5-8.
DOI：

詹美珠. A Finite Element Analysis on Thermal Transformation and Thermal-Mechanical Deformation during 230 mm x 1500 mm Slab Casting and Solidifying Process[J]. Special Steel, 2014, 35(2): 5-8. DOI：

摘要

根据Q235B低碳钢230 mm×1500 mm板坯凝固和高温力学特性

建立铸坯凝固过程温度场和应力场热-力耦合有限元分析模型

采用有限元分析软件MSC.Marc进行耦合计算。结果表明

在当前工况下

铸坯冶金长度约33 m

两相区长度16 m;坯壳由压缩向拉伸过渡

在坯壳内侧前沿为完全拉伸状态

铸坯存在展宽现象;计算值和实测值均表明

Q235B钢在模拟工况下

实际铸坯尺寸比公称尺寸大10 mm左右。

Abstract

According to solidifying and mechanical characteristics of low carbon steel Q235B 230 mm x 1500 mm slab at elevated temperature

a couple thermal and mechanical finite element analysis model for temperature field and stress field of slab during casting process has been established

and the coupling calculation is carried out by using definite element software MSC. Marc. Results show that at present situation the metallurgical length is about 33 m and the length of two- phase region is 16 m； the slab shell transits from compression status to tension status and the complete tension status is at front of inside of shell ； there is spread phenomenon of slab； and the calculated value and measured value all indicate that in simulation condition the real dimension of Q235B steel slab is larger than normal dimension by about 10 mm.

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