Application of Technology of Vibration-Excited Nucleation in Liquid during Ingot and Casting Slab Solidifying Process

陶红标; 张慧; 王超; 王明林; 王玫; 赵沛

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Application of Technology of Vibration-Excited Nucleation in Liquid during Ingot and Casting Slab Solidifying Process

更新时间：2026-01-21

- Application of Technology of Vibration-Excited Nucleation in Liquid during Ingot and Casting Slab Solidifying Process
- Special Steel Vol. 33, Issue 6, Pages: 18-21(2012)
- 作者机构：
  
  钢铁研究总院连铸技术国家工程研究中心,北京,100081
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：28 May 2012，
  
  Online First：27 September 2022，
  
  Published：27 September 2012
- 稿件说明：
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陶红标, 张慧, 王超, et al. Application of Technology of Vibration-Excited Nucleation in Liquid during Ingot and Casting Slab Solidifying Process[J]. Special Steel, 2012, 33(6): 18-21.
DOI：

陶红标, 张慧, 王超, et al. Application of Technology of Vibration-Excited Nucleation in Liquid during Ingot and Casting Slab Solidifying Process[J]. Special Steel, 2012, 33(6): 18-21. DOI：

摘要

叙述了研发的振动激发金属液形核技术的工作原理、技术特点以及在实验室对金属锌、1Cr7铁素体不锈钢铸锭处理效果

并进行了开发的220 mm×1 600 mm板坯连铸机振动激发金属液形核技术装置对16Mn系列钢种应用的工业化试验。结果表明

未经振动激发形核处理的板坯等轴晶率≤10%

中心疏松和偏析为1.5级

经振动激发形核处理的板坯等轴晶率≥30%

中心疏松和偏析为0.5级。分析表明

对大型铸锭使用振动激发金属液形核技术便于在线控制钢锭的凝固组织

有利于提高钢锭凝固组织的等轴晶率和改善内部质量。

Abstract

The work principle and technology characteristics of developed technology of vibration-excited nucleation in liquid and the treated effect on ingot of metal zinc ingot and 1Cr17 ferrite stainless steel ingot in lab are presented. And the commercial pilot production for application of developed device using the technology of vibration-excited nucleation in liquid for 220 mm x 1 600 mm slab caster on 16Mn series steel grades is carried out. Application results show that for the cast slab non-treated by vibration-excited nucleation the equiaxed zone rate of slab is ≤ 10% with center porosity and segregation rating 1.5

but for the cast slab treated by vibration-excited nucleation the equiaxed zone rate of slab is ≥ 30% with center porosity and segregation rating 0. 5. Analysis shows that for large-scale ingot

application of technology of vibration-excited nucleation in liquid is available to control solidification structure of ingot in line

increase equiaxed zone rate of ingot and improve its inner quality.

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