Effects of low-frequency electromagnetic field on nucleation during the pure aluminium solidification process. (3rd May 2016)

• Record Type: Journal Article
• Authors: Ma, Q. M.; Wang, X. J.; Sun, G.; Zhang, Z. L.; Wang, L. J.; Cui, J. Z.
• Is Part Of: International journal of cast metals research. Volume 29:Number 3(2016)
• Page Start: 174
• Page End: 178
• Publication Date: 2016-05-03
• Subjects: Pure aluminium -- Low-frequency electromagnetic field -- Primary structure -- Nucleation; Metal castings -- Periodicals; Founding -- Periodicals; Foundry research -- Periodicals; Foundry chemistry -- Periodicals; 671.2
• DOI: 10.1080/13640461.2015.1121959
• Languages: English
• ISSNs: 1364-0461

Abstract

Abstract : The effects of low-frequency electromagnetic field (LFEF) on nucleation during the pure aluminium solidification process are investigated. The experimental results show that the primary structure cannot be refined by applying LFEF on high-temperature liquid phase. The LFEF can dissociate the nuclei from the mould wall and disperse them uniformly when The LFEF is applied during the nucleation stage. However, the temperature at the middle of mould is higher than the liquidus temperature of pure aluminium, and the crystal nuclei cannot be preserved and grow up.