Purification and hypercooling of Fe-B eutectic alloy

Changlin Yang; Gencang Yang; Feng Liu; Yaohe Zhou

Purification and hypercooling of Fe-B eutectic alloy

Changlin Yang, Gencang Yang, Feng Liu, Yaohe Zhou

School of Materials Sience and Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

Adopting the molten glass denucleating technology combined with high frequency vacuum melting and cycle superheating, the main factors affecting purifying of the bulk Fe-rich side Fe-B eutectic alloy melt were investigated. The optimized purification and parameters for high undercooling and hypercooling were given out. The hypercoolings of 300-460 K have been obtained successfully in bulk Fe₈₃B₁₇ eutectic alloy melts, and 485 K in Fe₈₀B₂₀ hypereutectic alloy melts. So the primary nucleation undercoolings of 0.3T_m-0.4T_m were obtained in bulk Fe-B eutectic system alloy melts. The thermodynamic characters of hypercooling rapid solidification were also discussed by analyzing the cooling curves.

Original language	English
Pages (from-to)	956-960
Number of pages	5
Journal	Jinshu Xuebao/Acta Metallurgica Sinica
Volume	44
Issue number	8
State	Published - Aug 2008

Keywords

Fe-B eutectic alloy
Glass purifying
Hypercooling
Undercooling

Cite this

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T1 - Purification and hypercooling of Fe-B eutectic alloy

AU - Yang, Changlin

AU - Yang, Gencang

AU - Liu, Feng

AU - Zhou, Yaohe

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Y1 - 2008/8

N2 - Adopting the molten glass denucleating technology combined with high frequency vacuum melting and cycle superheating, the main factors affecting purifying of the bulk Fe-rich side Fe-B eutectic alloy melt were investigated. The optimized purification and parameters for high undercooling and hypercooling were given out. The hypercoolings of 300-460 K have been obtained successfully in bulk Fe83B17 eutectic alloy melts, and 485 K in Fe80B20 hypereutectic alloy melts. So the primary nucleation undercoolings of 0.3Tm-0.4Tm were obtained in bulk Fe-B eutectic system alloy melts. The thermodynamic characters of hypercooling rapid solidification were also discussed by analyzing the cooling curves.

AB - Adopting the molten glass denucleating technology combined with high frequency vacuum melting and cycle superheating, the main factors affecting purifying of the bulk Fe-rich side Fe-B eutectic alloy melt were investigated. The optimized purification and parameters for high undercooling and hypercooling were given out. The hypercoolings of 300-460 K have been obtained successfully in bulk Fe83B17 eutectic alloy melts, and 485 K in Fe80B20 hypereutectic alloy melts. So the primary nucleation undercoolings of 0.3Tm-0.4Tm were obtained in bulk Fe-B eutectic system alloy melts. The thermodynamic characters of hypercooling rapid solidification were also discussed by analyzing the cooling curves.

KW - Fe-B eutectic alloy

KW - Glass purifying

KW - Hypercooling

KW - Undercooling

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JF - Jinshu Xuebao/Acta Metallurgica Sinica

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Purification and hypercooling of Fe-B eutectic alloy

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Keywords

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