Study on Crystallization Performance of Mold Flux for Casting

孙丽枫; 宋智芳; 刘承军; 姜茂发

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Study on Crystallization Performance of Mold Flux for Casting

更新时间：2026-01-21

- Study on Crystallization Performance of Mold Flux for Casting
- Special Steel Vol. 28, Issue 2, Pages: 34-35(2007)
- 作者机构：
  
  东北大学材料与冶金学院，沈阳4,H000
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：16 October 2006，
  
  Online First：09 March 2023，
  
  Published：09 March 2007
- 稿件说明：
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孙丽枫, 宋智芳, 刘承军, et al. Study on Crystallization Performance of Mold Flux for Casting[J]. Special Steel, 2007, 28(2): 34-35.
DOI：

孙丽枫, 宋智芳, 刘承军, et al. Study on Crystallization Performance of Mold Flux for Casting[J]. Special Steel, 2007, 28(2): 34-35. DOI：

摘要

实验研究了结晶器保护渣(％:37CaO、2MgO、40SiO

、5Al

、5Na

O、11CaF

)在1 300-1 000℃的结晶过程和性能。结果表明

冷却速率≤2℃／s时

该渣的结晶化率达100％。在冷却速率0．1℃／s时

保护渣首先析出树枝状晶体

然后以片状晶体形态析出

直到结晶终止。通过X-射线衍射分析

得出析出的晶体主要有枪晶石(Ca

)镁黄长石(Ca

MgSi

)、硅灰石(CaSiO

)及镁铝尖晶石(Al

MgO

)。

Abstract

Course and performance of crystallization of mold flux 37 CaO

2MgO

40SiO

5Al

5Na

11CaF

at 1 300 ~ 1 000 °C have tested and studied. Results showed that as cooling rate was ≤2℃／s

crystallization ratio of the flux was 100% ； and as cooling rate was 0. 1 °C/s

dendritic crystal precipitated at first in flux

then lamellar crystal precipitated to last of crystallization. By X- ray analysis

crystal phases of flux consist of cuspidine Ca

akermanite Ca

MgSi

wollastonite CaSiO

and magnesia alumina spinel Al

MgO

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