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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Scandium Extraction and Use in Aluminum Alloys
Presentation Title Sc Applications in Aluminum Alloys: Overview of Russian Research in the 20th Century
Author(s) Dmitry Eskin
On-Site Speaker (Planned) Dmitry Eskin
Abstract Scope Following the pioneering patent of Wiley on Al-Sc alloys (1971), an extensive research program has started in the USSR in the 1970s, dedicated both to the fundamentals of interaction and mechanisms of Sc in Al and to the development of Sc-containing aluminum alloys. A number of very important phase diagrams of practically important systems have been experimentally studied and laid the foundation for the development of wrought and casting alloys with Sc. The unique equilibrium L12 Al3Sc phase has been characterized and its role in grain refinement, precipitation hardening and preventing recrystallization has been identified and explained. Interaction of Sc with other transition elements, in particular Zr, has been investigated. A number of alloys of Al-Mg, Al-Li-Mg, Al-Zn-Mg, Al-Cu systems with particular properties, e.g. high strength, weldablity, superplasticity, have been developed and commercialized in the 1980-1990s. This presentation gives an overview of those developments.
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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