Warpage Behavior of 7075 Aluminum Alloy Extrusions
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- Es-Said, O., Ruperto, T., Vasquez, S. et al. J. of Materi Eng and Perform (2007) 16: 242. doi:10.1007/s11665-007-9044-0
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Extruded I sections of 7075-T6 aluminum were machined into four different sections shapes: L, short depth L, T, and short depth T. The furnace was preheated to 416 °C (780 °F) and the samples were placed inside. The temperature was raised to 471 °C (880 °F) and then the samples were quenched in either a 30% polyalkylene Glycol solution or water, both at 15 °C (59 °F). Points on the distorted samples were recorded before and after the solution treatment; the difference between the measurements indicated the extent of warpage.