Sample cutting-free pole figure measuring method for centreless diffractometers in modified X mode

Sepsi, Máté and Mertinger, Valéria and Benke, Márton (2019) Sample cutting-free pole figure measuring method for centreless diffractometers in modified X mode. MATERIALS CHARACTERIZATION, 151. pp. 351-357. ISSN 1044-5803

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Abstract

Conventional X-ray diffraction-based pole figure measurements are realized with dedicated equipment which are accompanied with certain limitations such as sample size, geometry, and no option for on-site measurements. These restrictions limit the availability of texture measurements in cases when sample cutting from the object of interest is not allowed. Within this manuscript, a novel method is described with which pole figure measurements can be realized using centreless diffractometers originally developed for residual stress measurements. The theoretical background of the proposed method is presented in detail. Instances of pole figures obtained with the described method are presented and compared to conventional ones. It was concluded that the presented method is applicable to measure pole figures in a reliable manner with all the benefits of centreless diffractometers: no need for sample cutting, large geometrical freedom and the possibility for on-site measurements.

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