THE DETERMINATION OF ORIENTATION-DEPENDENT STORED ENERGY USING NEUTRON-DIFFRACTION

A knowledge of the orientation-dependent stored energy is extremely im portant in understanding the evolution of texture during the recrystal lization of materials. Neutron diffraction line-broadening measurement s were made on a composite spherical specimen made from the sheets of 80% cold-rolled, interstitial-free (IF) steel. Using the stored energy calculated from the line-broadening measurements, the stored energy d istribution function (SEDF) was derived and represented in the Euler a ngle space. However, the error in the computed energies for a particul ar orientation, is strongly dependent on how well that orientation is represented in the orientation distribution function (ODF). The Taylor factor, which is often considered as a measure of slip system activit y during the deformation, is compared with the measured stored energy. (C) 1998 Elsevier Science B.V. All rights reserved.