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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Scandium Extraction and Use in Aluminum Alloys
Presentation Title Effect of Treatment Parameters on Structure, Mechanical and Corrosion Properties of Al-Mg-Sc Alloy Forgings with Reduced Concentration of Scandium
Author(s) Aleksandr Yurievich Krokhin, Viktor Mann, Dmitry Ryabov, Nikolay Babitskiy
On-Site Speaker (Planned) Aleksandr Yurievich Krokhin
Abstract Scope 5XXX series alloy are used for various applications including automotive, marine and space applications due to their good performance during welding and high corrosion resistance. Commercial Al-Mg-Sc alloys typically contain ~0.2 wt. % of Sc and possess improved strength up to 1.5 times. The main limitation for application of these alloys is their high price, so it is necessary to reduce Sc content. Forgings are the popular semi-products for various applications, but depending on scheme of deformation materials can show various structures. This paper deals with the results of investigations of performance of Al-Mg-0.1Sc alloy during hot deformation and further heat treatment. Results of the influence of deformation temperature on mechanical and corrosion properties are introduced. It is shown that even small addition of Sc with proper choice of thermos-mechanical processing can lead to significantly increase of service characteristics with no dramatic reduction of corrosion resistance.
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
Experimental Study on Extracting Scandium from Silicate Containing Rare Earth Minerals with Scandium by Magnetic Separation
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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