Currently only two rapidly solidified al alloys are beyond the experimental state the 7090 and 7091 alloy powders are commercially produced by several companies alcoa relatively recently announced the first production quantity commercial orders for wrought aluminum powder metallurgy parts made from alloy x7090. Characterization of rapidly solidified materials rapid solidification of highly undercooled aluminum powders al 3 li precipitate modification in an al li zr alloy hardening mechanism in rapidly solidified al 8fe alloy a comparative evaluation of aluminum alloy powders used for fabricating high strength powder metallurgy extrusions. Characteristics of hot extruded p m aluminum alloy when using the rapidly solidified powder swap process 2 time a decrease of peak intensities of precipitates such as mgzn2 al2cu and mg2si is detected here the shifting of 2of aluminum peak is due to the solution of each intermetallic during heating fig9 shows the dependence. Consolidation of rapidly solidified aluminum alloy powder was carried out using a high pressure torsion hpt process at room temperature the fabricated powders were al 95zn 3mg 15cu 004 ag meso10 and meso10 13zr mz13 in mass each powder was strained by 10 rotations of an anvil and consolidated into disks with a diameter of 10 mm. The microstructure and mechanical properties of the rapidly solidified 2024 aluminum alloy consolidated by hot hydrostatic extrusion were experimentally investigated with special emphasis on finding out the influence of both the two main consolidation parameters extrusion ratio and temperature and the solution aging treatments on the mechanical properties of the alloy
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