Experimental Study on High Temperature Rheological Behavior of Commercial Pure Aluminum
In order to find the difference of rheological behavior between continuous roll casting, which combined “casting” and “rolling” processes into one procedure, and casting add hot rolling processes, a series of experimental studies on the rheological behavior of commercial pure aluminum and its influential factors have been carried out on a Gleeble-1500 Thermal-Mechanical Simulation Tester. Rheological curves of commercial pure aluminum under different deformation conditions have been obtained; constitutive equations of it during compression testing have been achieved by multi-linear regression analysis; and hot rolling experimental results are also compared with physical simulation of roll casting, which show that the flow stress in hot rolling process is smaller than in roll casting under the same deformation conditions, and with the increase of stain rate, their difference increase.