Abstract
Effect of hot rolling temperature on cup earing and limited drawing ratios of commercially pure aluminum, 1100, was studied mainly from a view point of textures. The results obtained are as follows:
(1) Cup earing depended strongly on hot rolling temperatures; the lower the hot rolling temperature, the higher earing of 45° direction was produced. Textures also depended remarkably on the rolling temperature. Hot rolling at a low temperature favored formation of (224) planes parallel to a sheet plane while a high tempeature rolling produced more population of (200) planes. Changes of cup earing with hot rolling temperaturewere explained from the relative population of (224) and (200) planes.
(2) The limited drawing ratio was also markedly affected by hot rolling temperatures. The specimens, hot rolled at 500°C, showed the maximum drawing ratio. There was a close relation between the limited drawing ratio and the (100) [001] component of the texture. This component decreased with decreasing hot rolling temperature.
