| dc.description.abstract | The study of anisotropic properties of polycrystalline materials, which are related to structural and
microstructural aspects of them, have gained importance in recent times by two factors, the increase
in the use of low-symmetry materials that are intrinsic anisotropic materials and the production of
materials with strong microstructural effects due to micro and nano dimension of the structure.
The Generalized Pole Figure, GPF, is an approach developed for this type of study, the GPF is the
spatial representation of a physical property or a system descriptor anisotropic, , according to
the directions on the sample space, (stereographic projection), properties such like
grain size, subgrain size, lattice deformations, crystallographic texture, etc., and the particular case,
the stored energy, are some examples of this methodology.
This work the GPF measurement methodology was implemented, which involved the development
of software to control a texture goniometer to perform -2 scans in particular positions from
stereographic projection, preparation of an axial divergence slit, and the development of processing
software GPF and Stored Energy Distribution Function (SEDF) determination.
The developed methodology was applied to a metal alloy of Fe-50%Ni, where GPF crystallite size,
shift the positions of the peaks of X-ray diffraction, stored energy, and SEDF was determined. | |
