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Meeting 2019 TMS Annual Meeting & Exhibition
Symposium TMS-DGM Symposium on Lightweight Metals: A Joint US-European Symposium on Challenges in Light Weighting the Transportation Industry
Presentation Title A Novel Flexible SSM and HPDC Equipment to Process Secondary Aluminium Alloys for Decarbonising Lightweight Parts in Automotive Sector
Author(s) Fabrizio D'Errico, Guido Perricone, Mattia Alemani
On-Site Speaker (Planned) Fabrizio D'Errico
Abstract Scope LCA approach guidelines for automotive sector recently introduced [TMS Conference 2015, IMA Conference 2015] highlighted how much important is working on decarbonisation of Al casting processes to produce vehicle components. Broadening use of secondary aluminium alloys, instead of high energy intensive primary aluminium alloys, is key for environment preservation. Unfortunately, primary aluminium alloys are preferred by automotive OEMs because impurities (mainly Fe) present in secondary aluminium alloys can cause mechanical performance decrease. Semisolid-state process route is still thought to drastically reduce some physiologic casting defects, thus positively balancing decrease by impurities. Basing on these premises, a pre-industrial prototype 4-columns 700kN clamping force vertical casting machine has been designed and constructed to cast secondary aluminium in two modes: medium-pressure die casting and semisolid state. Investigation on A356 secondary alloys samples obtained by both process routes have been investigated in order to compare microstructure integrity and key-features impacting on final mechanical properties.
Proceedings Inclusion? Planned: Light Metals

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Novel Flexible SSM and HPDC Equipment to Process Secondary Aluminium Alloys for Decarbonising Lightweight Parts in Automotive Sector
A Theory for Designing Ductile Materials with Anisotropy
Assessing the Impact of Texture and its Gradients on the Forming Limits of an AA6xxx Sheet Alloy
D-35: Development of New Magnesium Alloy Strengthened by Nano Second Phase Precipitation
D-36: Issues of Castability of Magnesium Alloys
Effect of Split Sleeve Cold Expansion on the Residual Stress, Texture and Fatigue Life of Rolled AZ31B Magnesium Alloy
Increasing the Strength and Electrical Conductivity of AA6101 Aluminum by Nanostructuring
Influences of SiC Particle Additions on the Grain Refinement of Mg-Zn Alloys
Mechanical and Microstructural Characterization of Ultrasonic Metal Welded Large Cross Section Aluminum Wire/Copper Terminal Joints
The Dependence of Local Strain Distribution on Quench Rate for Extruded Al-Mg-Si-Mn-Fe Alloys
The Effect of through Thickness Texture Variation on the Anisotropic Mechanical Response of an Extruded Al-Mn-Fe-Si Alloy
The Effects of Strontium Addition on the Microstructures and Mechanical Properties of Al-7Si Alloy Reinforced with In-situ Al3Ti Particulates

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