ANALYSIS OF DEFORMATION TEXTURE INHOMOGENEITY AND STABILITY CONDITIONOF SHEAR COMPONENTS IN FCC METALS

The texture of cold rolled aluminum sheet has been known to vary throu gh the thickness due to inhomogeneous deformation during rolling. The copper texture is obtained in the center layer that is plane strain co mpressed while the shear texture in the surface layer, which is approx imated by {111}[112] and {111}[110] components. The stability conditio n of these components was calculated based on the full constraint Tayl or-Bishop-Hill theory and could be described by a parameter d epsilon( 13)/d epsilon(11) with the suffixes 1 and 3 indicating the rolling and thickness directions, respectively. (C) 1997 Acta Metallurgica Inc.