AM-SC1™ is a high temperature Mg alloy that was originally developed as a sand casting alloy for automotive powertrain applications. The alloy has been selected as the engine block material for both the AVL Genios LE and the USCAR lightweight magnesium engine projects. The present work assesses the potential of this alloy for permanent-mould die cast applications. Thermo-physical and mechanical properties of AM-SC1 were determined for material derived from a permanent-mould die casting process. The mechanical properties determined included: tensile, creep, bolt load retention/relaxation and both low and high cycle fatigue. To better assess the creep performance, a comparative analysis of the normalized creep properties was carried out using the Mukherjee-Dorn parameter, which confirmed the high viscoplastic performance of AM-SC1 compared with common creep resistant high pressure die cast (HPDC) Mg-alloys.These investigations revealed excellent thermo-physical and mechanical properties that are, somewhat superior to the properties of the sand cast alloy, significantly superior to other HPDC magnesium alloys and comparable to pressure die cast aluminum alloy A380.
Mechanical Property Evaluation of Permanent-Mould Cast AM-SC1™ Mg-Alloy
Sae Int. J. Mater. Manf
Sae International Journal of Materials and Manufacturing
SAE World Congress & Exhibition ; 2008
Sae International Journal of Materials and Manufacturing ; 1 , 1 ; 111-121
2008-04-14
11 pages
Aufsatz (Konferenz)
Englisch
Magnesium alloys , Fatigue , Pressure , Magnesium , Alloys , Casting alloys , Casting , Soils , Tensile strength
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