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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Scandium Extraction and Use in Aluminum Alloys
Presentation Title Electrochemical Formation of Alloys of Scandium in Molten Salts
Author(s) Çağlar Polat, Metehan Erdoğan, Ali Safder İplikçioğlu, İshak Karakaya
On-Site Speaker (Planned) Çağlar Polat
Abstract Scope Alloys of Sc and Al with or without magnesium are considered promising materials of future. The reinforcement effect of scandium on the properties of aluminum was the primary reason for this study. In addition to improvements on the mechanical strength, resistance to recrystallization, resistance to intergranular fracture and corrosion and thermal stability of aluminum alloys were greatly affected by the presence of small concentrations of scandium. The main source of scandium is the Sc2O3 by-product obtained during uranium,tungsten or tantalum production. It has been deemed possible to produce Sc by the molten salt electrolysis method by dissolution of Sc2O3 in Na3ScF6 as in the Hall-Héroult process. Al-Sc alloy formation by the reduction of other Sc bearing compounds in a molten salt containing CaCl2 was observed in this study. According to XRD, SEM-EDS and optical microscopy analyses,it was seen that Al3Sc intermetallic was successfully formed and distributed homogeneously throughout Al matrix
Proceedings Inclusion? Planned: Light Metals

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

An Examination of the Effect of Solidification Processing upon the Strengthening of AlMgSc Alloys
Commercial Scandium Oxide Production by Sumitomo Metal Mining Co., Ltd.
Design and Processing Conditions of Hypoeutectic Al-Cu-Sc Alloys for Maximum Benefit of Scandium
Direct Method for Producing Scandium Metal and Scandium-aluminium Intermetallic Compounds from the Oxides
Effect of Treatment Parameters on Structure, Mechanical and Corrosion Properties of Al-Mg-Sc Alloy Forgings with Reduced Concentration of Scandium
Electrochemical Formation of Alloys of Scandium in Molten Salts
Extraction of Scandium from Lateritic Nickel-cobalt Ore Leach Solution by Ion Exchange: A Special Study and Literature Review on Previous Works
Influence of the Al3(Sc,Zr) Dispersoids and the Stretching on the Natural Ageing Behavior of a Binary Al-4wt%Cu Alloys
Mechanical Properties and Applications of Aluminum Scandium Alloys at Elevated Temperatures
Novel Heat Treatments for Scandium Containing Al-Si Alloys (Including 6xxx Series Alloys)
Sc Applications in Aluminum Alloys: Overview of Russian Research in the 20th Century
Scandium-enriched Nano-precipitates in Aluminum Provide Enhanced Coarsening and Creep Resistance
Scandium Recovery from the Nyngan Laterite Project in NSW
The Effect of Scandium and Zirconium on the Microstructure, Mechanical Properties and Formability of a Model Al-Cu Alloy
The Effect of Scandium on the Electrical Conductivity and Mechanical Properties of Al-Sc Alloys

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