Review of high energy x-ray computed tomography for non-destructive dimensional metrology of large metallic advanced manufactured components

W Sun, DR Symes, CM Brenner… - Reports on Progress …, 2022 - iopscience.iop.org
Advanced manufacturing technologies, led by additive manufacturing, have undergone
significant growth in recent years. These technologies enable engineers to design parts with …

Charting the course towards dimensional measurement traceability by X-ray computed tomography

M Ferrucci, E Ametova - Measurement Science and Technology, 2021 - iopscience.iop.org
Long synonymous with medical imaging, x-ray computed tomography (CT) is proving its
worth in industrial applications such as material characterization, defect analysis, and …

Advances in the metrological traceability and performance of X-ray computed tomography

W Dewulf, H Bosse, S Carmignato, R Leach - CIRP Annals, 2022 - Elsevier
X-ray computed tomography (XCT) is increasingly being used for evaluating quality and
conformance of complex products, including assemblies and additively manufactured parts …

Metrology of scattering distributions

E Molloy - 2023 - openaccess.wgtn.ac.nz
We are continuously making judgements based on the appearance of objects around us.
The appearance of an object depends on the way in which the object's surface reflects …

Tolerance to geometrical inaccuracies in CBCT systems: a comprehensive study

M Abella, C Martinez, I Garcia, P Moreno… - Medical …, 2021 - Wiley Online Library
Purpose The last decades have seen the consolidation of the cone‐beam CT (CBCT)
technology, which is nowadays widely used for different applications such as micro‐CT for …

Effects of rotation errors on goniometric measurements

E Molloy, P Saunders, A Koo - Metrologia, 2022 - iopscience.iop.org
Goniometric measurements are essential for the determination of many optical quantities,
and quantifying the effects of errors in the rotation axes on these quantities is a complex …

Measurement of sample stage error motions in cone-beam x-ray computed tomography instruments by minimization of reprojection errors

M Ferrucci, W Dewulf, A Dönmez - Precision Engineering, 2021 - Elsevier
Reconstruction algorithms in X-ray computed tomography assume a particular geometrical
alignment of the instrument components: X-ray source, sample stage, and detector. Motion …

Mechanism Analysis on Carbonation of Hardened Cement Paste with XCT

Y Wang, F Chen, Z Li, W Yang, B Zhan, D Li… - Journal of Materials in …, 2023 - ascelibrary.org
X-ray computed tomography (XCT) was used to monitor microstructure changes of hardened
cement paste, with different water/cement ratios during a one-dimensional carbonation …

ASME B89. 4.23 performance evaluation tests and geometry errors in X-ray computed tomography systems

B Muralikrishnan, M Shilling… - Journal of Research of the …, 2022 - pmc.ncbi.nlm.nih.gov
A documentary standard produced by the American Society of Mechanical Engineers
(ASME) for performance evaluation of industrial X-ray computed tomography (XCT) systems …

Type A standard uncertainty evaluation in one measurement through uncertainty propagation from voxel values' distribution for computed tomography metrology

D Ou, Y Xiao, D Lan, Y Wang - Measurement Science and …, 2024 - iopscience.iop.org
According to the guide to the expression of uncertainty in measurement,'type A
evaluation'generally requires repeated measurements, which are time-consuming for CT …