Thermodynamic Analysis of Chemical Reaction in Melting Process of Mg-Li Alloy and Microstructure of Ingot

Cao Furong1; Ding Hua1; Li Yinglong1; Chen Yanbo1; Cui Jianzhong2

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Thermodynamic Analysis of Chemical Reaction in Melting Process of Mg-Li Alloy and Microstructure of Ingot
- role： First author 第一作者
- Affiliation：
  School of Materials and Metallurgy,Northeastern University,Shenyang,China
Cao Furong1
1 ,
- Affiliation：
  School of Materials and Metallurgy,Northeastern University,Shenyang,China
Ding Hua1
1 ,
- Affiliation：
  School of Materials and Metallurgy,Northeastern University,Shenyang,China
Li Yinglong1
1 ,
- Affiliation：
  School of Materials and Metallurgy,Northeastern University,Shenyang,China
Chen Yanbo1
1 ,
- Affiliation：
  Key Laboratory of Electromagnetic Processing of Materials,Ministry of Education,Northeastern University,Shenyang,China
Cui Jianzhong2
2
Vol. 29, Issue 9, Pages: 869-871(2009)
Published： 2009 ，
DOI：

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[1]曹富荣,丁桦,李英龙,陈彦博,崔建忠.Mg-Li合金熔炼反应的热力学分析及铸锭显微组织[J].特种铸造及有色合金,2009,29(09):869-871+783-784.

Cao Furong1, Ding Hua1, Li Yinglong1, et al. Thermodynamic Analysis of Chemical Reaction in Melting Process of Mg-Li Alloy and Microstructure of Ingot. [J]. Special Casting & Nonferrous Alloys 29(9):869-871(2009)
[1]曹富荣,丁桦,李英龙,陈彦博,崔建忠.Mg-Li合金熔炼反应的热力学分析及铸锭显微组织[J].特种铸造及有色合金,2009,29(09):869-871+783-784. DOI：

Cao Furong1, Ding Hua1, Li Yinglong1, et al. Thermodynamic Analysis of Chemical Reaction in Melting Process of Mg-Li Alloy and Microstructure of Ingot. [J]. Special Casting & Nonferrous Alloys 29(9):869-871(2009) DOI：

Abstract

Mg-6.1Li,Mg-8.2 Li and Mg-10.8Li,alloy ingots were prepared by melting in cast-iron crucible and casting in copper mould under the coverage of lithium chloride and lithium fluoride （LiCl:LiF=3:1） and the protection of argon,obtaining desirable ingot microstructure. Chemical reaction thermodynamic analysis reveals that graphite and magnesia are unsuitable as tool materials for melting and casting Mg-Li alloy,while cast iron,low carbon steel,Mo,copper and silicon carbide are suitable as tool materials. Thermodynamic analysis is basically consistent with the experimental results and relevant literatures.

transl

Keywords

Mg-Li Alloy; Melting-casting; Microstructure; Thermodynamic Analysis; Chemical Reaction

transl

摘要

采用LiCl与LiF质量比为3:1的熔剂覆盖和氩气保护

在铸铁坩埚中熔炼

在铜模中浇注制备了Mg-6.1Li、Mg-8.2Li、Mg-10.8Li合金铸锭

获得了满意的铸锭显微组织。化学反应热力学分析表明

石墨、MgO不适合作Mg-Li合金熔铸的工具材质

适合Mg-Li合金熔铸的工具材质是铸铁、低碳钢、Mo、Cu、SiC。对反应进行了热力学分析

与试验结果基本一致。

Abstract

Mg-6.1Li

Mg-8.2 Li and Mg-10.8Li

alloy ingots were prepared by melting in cast-iron crucible and casting in copper mould under the coverage of lithium chloride and lithium fluoride （LiCl:LiF=3:1） and the protection of argon

obtaining desirable ingot microstructure. Chemical reaction thermodynamic analysis reveals that graphite and magnesia are unsuitable as tool materials for melting and casting Mg-Li alloy

while cast iron

low carbon steel

copper and silicon carbide are suitable as tool materials. Thermodynamic analysis is basically consistent with the experimental results and relevant literatures.

关键词

Mg-Li合金熔铸显微组织热力学分析化学反应

Keywords

Mg-Li AlloyMelting-castingMicrostructureThermodynamic AnalysisChemical Reaction

references

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Microstructure and Compressive Behavior of Mg-5Li-3Al-2Zn-2.1Ce Alloy

Effect of Cold Rolling on Microstructure and Properties of Solution-aged Mg-Li Alloy

Effects of Solid Solution Treatment on Microstructure and Mechanical Properties of As-Extruded Mg-11Li-3Al-xZr Alloy

Influence of Ca and Mn Microalloying on Microstructure and Mechanical Properties of Mg-14Li-3Al-0.5Y Alloy

Effects of Ti-Al Intermediate Alloy on Microstructure and Corrosion Performance of AZ91D Alloy

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