Technique for Preparing Laminated Pole Figure Samples

Abstract

A new method is described for making composite samples for the x-ray diffraction, back reflection pole figure technique. Considerable savings, in material and machining costs, are realized by cutting strips, for lamination, at 45° to the rolling direction. The required reference surface is obtained, during lamination, by maintaining an angle of 54.7° between the strips and the surface developed by the cut edges. The advantages of the composite technique (better averaging, minimization of errors, and evaluation of random intensity from the pole figure data) are retained by this modification.

A Composite Sample Method for Determination of Global TextureWithout Sample Symmetry

“…To predict some physical properties of a polycrystalline material, it requires the knowledge of its global texture. Several composite sample methods have been developed for this purpose (Meieran, 1962; Lopata and Kula, 1962;Leber, 1965; Elias and Heckler, 1967; Welch, 1980). Those methods were aimed to get complete pole figures merely by the Schulz back-reflection technique.…”