- Song Yulai. 1
Song Yulai.
Key Laboratory of Ecological Metallurgy of Multi–metal Intergrown Ores of Ministry of Education,Shenyang
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Search for this author on this site - Dou Zhihe. 2,1
Dou Zhihe.
School of Metallurgy,Northeastern University,Shenyang,;Key Laboratory of Ecological Metallurgy of Multi–metal Intergrown Ores of Ministry of Education,Shenyang
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Search for this author on this site - Zhang Ting-an 2,1
Zhang Ting-an
School of Metallurgy,Northeastern University,Shenyang,;Key Laboratory of Ecological Metallurgy of Multi–metal Intergrown Ores of Ministry of Education,Shenyang
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Search for this author on this site - Liu Yan 2,1
Liu Yan
School of Metallurgy,Northeastern University,Shenyang,;Key Laboratory of Ecological Metallurgy of Multi–metal Intergrown Ores of Ministry of Education,Shenyang
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Search for this author on this site - Niu Liping 2,1
Niu Liping
School of Metallurgy,Northeastern University,Shenyang,;Key Laboratory of Ecological Metallurgy of Multi–metal Intergrown Ores of Ministry of Education,Shenyang
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1.Key Laboratory of Ecological Metallurgy of Multi–metal Intergrown Ores of Ministry of Education,Shenyang;2.School of Metallurgy,Northeastern University,Shenyang,
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The low cost preparation of TiAl master alloy is an important direction of current research. In this paper, TiO2 as raw material, KClO3 as heating agent, Al as reducing agent and alloying agent, Ca as deep reducing agent were used for the preparation of TiAl master alloy by metallothermic reduction method. The heat effect per unit mass, the proportion of slag-making agent, the amount and composition of reducing agent on the stability of the reaction process, the composition and yield of alloy were investigated. The results showed that when Ca and Al were used as reducing agents, the adiabatic temperature of the system was 2426 K and 1806 K, respectively. The TiAl master alloy was composed of TiAl, Ti3Al and a small amount of Al2O3 inclusions. The contents of Ti, Al and O in the alloy were 58.36%, 40.19% and 1.41%, respectively.
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[Song Yulai.,Dou Zhihe.,Zhang Ting-an, Liu Yan, Niu Liping. Preparation of TiAl Alloy by Metallothermic Reduction[J]. Rare Metal Materials and Engineering,2020,49(3):1015~1019.]
DOI：10.12442/j. issn.1002-185X.17Ti2019124
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History
- Received:January 17,2019
- Revised:July 12,2019
- Adopted:July 30,2019
- Online: April 08,2020