Open AccessGeneralized pole figures from post‐processing whole Debye–Scherrer patterns for microstructural analysis on deformed materials
Author(s) -
Benatti Emanuel Alejandro,
De Vincentis Natalia Soledad,
Al-Hamdany Nowfal,
Schell Norbert,
Brokmeier Heinz-Günter,
Avalos Martina,
Bolmaro Raúl Eduardo
Publication year - 2022
Publication title -
journal of synchrotron radiation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.172
H-Index - 99
ISSN - 1600-5775
DOI - 10.1107/s160057752200220x
Subject(s) - diffraction , debye , substructure , electron backscatter diffraction , materials science , reciprocal lattice , x ray crystallography , optics , physics , computational physics , geometry , condensed matter physics , mathematics , structural engineering , engineering
Debye–Scherrer patterns, obtained from X‐ray diffraction experiments using synchrotron light in transmission geometry, were analysed to construct generalized pole figures, and further used as input for an orientation distribution function inversion algorithm. By using Langford's method for separating strain and size contributions to peak broadening, it was possible, for the first time, to obtain full domain size and dislocation density generalized distribution functions (GDFs). This method was applied to cold‐rolled and annealed interstitial‐free steel. The predictions made using GDFs were corroborated by electron backscatter diffraction measurements and were also consistent with what was previously known for this kind of material under these conditions.