In order to understand the formation of rolling textures in Cu–30Zn it is necessary to consider the deformation modes which operate at different levels of cold reduction. This has involved a combination of optical microscopy, high-voltage electron microscopy, and X-ray diffraction techniques. There are three essential mechanisms, namely slip, twinning, and shear banding, which are mutually interactive. An evolutionary theory of rolling-texture development which refines and extends existing concepts by incorporating detailed information about the microstructure of the cold-worked state is described.
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