X-ray computed tomography

PJ Withers, C Bouman, S Carmignato… - Nature Reviews …, 2021 - nature.com
X-ray computed tomography (CT) can reveal the internal details of objects in three
dimensions non-destructively. In this Primer, we outline the basic principles of CT and …

Quantitative X-ray tomography

E Maire, PJ Withers - International materials reviews, 2014 - Taylor & Francis
X-ray computer tomography (CT) is fast becoming an accepted tool within the materials
science community for the acquisition of 3D images. Here the authors review the current …

Recent developments in X-ray diffraction/scattering computed tomography for materials science

NE Omori, AD Bobitan… - … of the Royal …, 2023 - royalsocietypublishing.org
X-ray diffraction/scattering computed tomography (XDS-CT) methods are a non-destructive
class of chemical imaging techniques that have the capacity to provide reconstructions of …

The imaging of failure in structural materials by synchrotron radiation X-ray microtomography

SC Wu, TQ Xiao, PJ Withers - Engineering Fracture Mechanics, 2017 - Elsevier
The initiation and propagation of short cracks are critical to the detailed understanding of the
failure mechanisms of engineering materials and structures. Therefore, for a safety critical …

Effect of manufacturing parameters on mechanical properties of 316L stainless steel parts fabricated by selective laser melting: A computational framework

A Ahmadi, R Mirzaeifar, NS Moghaddam, AS Turabi… - Materials & Design, 2016 - Elsevier
This paper presents a computational framework to model the mechanical response of
selective laser melting processed 316L stainless steel by considering both the grain and …

[HTML][HTML] FFT based approaches in micromechanics: fundamentals, methods and applications

S Lucarini, MV Upadhyay… - Modelling and Simulation …, 2021 - iopscience.iop.org
FFT methods have become a fundamental tool in computational micromechanics since they
were first proposed in 1994 by Moulinec and Suquet for the homogenization of composites …

Observations of intergranular stress corrosion cracking in a grain-mapped polycrystal

A King, G Johnson, D Engelberg, W Ludwig, J Marrow - Science, 2008 - science.org
Nondestructive three-dimensional mapping of grain shape, crystallographic orientation, and
grain boundary geometry by diffraction contrast tomography (DCT) provides opportunities for …

Nanostructure surveys of macroscopic specimens by small-angle scattering tensor tomography

M Liebi, M Georgiadis, A Menzel, P Schneider… - Nature, 2015 - nature.com
The mechanical properties of many materials are based on the macroscopic arrangement
and orientation of their nanostructure. This nanostructure can be ordered over a range of …

Three-dimensional grain mapping by x-ray diffraction contrast tomography and the use of Friedel pairs in diffraction data analysis

W Ludwig, P Reischig, A King, M Herbig… - Review of scientific …, 2009 - pubs.aip.org
X-ray diffraction contrast tomography (DCT) is a technique for mapping grain shape and
orientation in plastically undeformed polycrystals. In this paper, we describe a modified DCT …

Solidification-driven orientation gradients in additively manufactured stainless steel

AT Polonsky, WC Lenthe, MLP Echlin, V Livescu… - Acta Materialia, 2020 - Elsevier
A sample of 304L stainless steel manufactured by Laser Engineered Net Shaping (LENS)
was characterized in 3D using TriBeam tomography. The crystallographic, structural, and …