Abstract
Evolution of microstructures and textures during cold rolling of AA3104 aluminum alloy were investigated by means of three dimensional Orientation Distribution Functions(ODFs), Electron Back Scattered Diffraction(EBSD) and Transmission Electron Microscopy(TEM). Detailed experimental results have confirmed that the deformed microstructure can be classified into five types according to the grain subdivision pattern and the characteristics of dislocation boundaries. Simultaneously, a correlation has been established between each types of deformed microstructure and grain orientations. Thereinto, Type(Ⅰ) with two different sets of dislocation boundaries consisted of Copper and Brass orientations mostly; Type(Ⅱ) contained only one set of dislocation boundary were constituted majority of S orientation; Type(Ⅲ) with nearly equiaxial cell blocks were composed of Cube orientation; Type(IV) with “S” curve shearing bands and Type(V) with lamellar boundaries were both comprised of Brass orientation.
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