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Updated: Dec 31, 2025

Determining the Mechanical Strength of Ultra-Fine-Grained Metals
Published on: November 22, 2021
A real-space approach to the analysis of stacking faults in close-packed metals: G(r) modelling and Q-space feedback
Alessandro Longo1, Francesco Giannici2, Luisa Sciortino2
1XMI, Department of Chemistry, Ghent University, Krijgslaan 281 S12, Ghent, East Flanders, 9000, Belgium.
Abstract:
An R-space approach to the simulation and fitting of a structural model to the experimental pair distribution function is described, to investigate the structural disorder (distance distribution and stacking faults) in close-packed metals. This is carried out by transferring the Debye function analysis into R space and simulating the low-angle and high-angle truncation for the evaluation of the relevant Fourier transform. The strengths and weaknesses of the R-space approach with respect to the usual Q-space approach are discussed.
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