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Studies from M. Schikorra et al in the area of mechanical science described
January 7th, 2008
"Microstructure and material flow of aluminum alloys have a significant influence on the mechanical properties and surface quality. In extrusion of aluminum billets at high temperatures the microstructure is dependent on the alloy and the forming and temperature history," scientists in Dortmund, Germany report.
"A prediction of grain size and precipitation is of increasing importance in order to design the process by adjustment of parameters such as punch speed, temperatures, and quenching. To give references for microstructure prediction based on material flow, and with it strain and strain rate history, this paper deals with the microstructure during the extrusion...
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Source: VerticalNews Technology (2008-01-07)