Advances in the metrological traceability and performance of X-ray computed tomography
X-ray computed tomography (XCT) is increasingly being used for evaluating quality and
conformance of complex products, including assemblies and additively manufactured parts …
conformance of complex products, including assemblies and additively manufactured parts …
[HTML][HTML] Performance testing of dimensional X-ray computed tomography systems
Abstract X-ray Computed Tomography (XCT) has become a common tool for dimensional
analysis as it allows for non-destructive internal and external measurements. Manufacturers …
analysis as it allows for non-destructive internal and external measurements. Manufacturers …
[HTML][HTML] X-Ray Computed Tomography performance in metrological evaluation and characterisation of polymeric additive manufactured surfaces
Surface characterisation has always been an important aspect in quality control for industrial
parts. With the development of additive manufacturing (AM) technologies and the design …
parts. With the development of additive manufacturing (AM) technologies and the design …
Measurement systems analysis for beam compensation, scaling factors and geometric dimensioning for a metallic additively manufactured test artifact
Freedom of design is a major tenant of additive manufacturing (AM); however, this
necessitates the evaluation of advanced measurement systems for comprehensive part …
necessitates the evaluation of advanced measurement systems for comprehensive part …
Beam hardening correction based on image noise statistics
S Burkhard, A Küng - Measurement Science and Technology, 2024 - iopscience.iop.org
Beam hardening artefacts in x-ray computed tomography (CT) result from energy-dependent
attenuation of x-rays in matter and cause inaccuracies in reconstructed 3D volume data …
attenuation of x-rays in matter and cause inaccuracies in reconstructed 3D volume data …
A straightforward and analytical method for precise X-ray CT magnification correction
Abstract X-ray Computed Tomography (XCT) has evolved over the last two decades from a
medical imaging device to an industrial tool for dimensional metrology and quality control …
medical imaging device to an industrial tool for dimensional metrology and quality control …
A resin gauge for performance testing of X-ray CT and its calibration by multiple orientation measurements
M Watanabe, O Sato, K Matsuzaki, S Telada… - Precision …, 2023 - Elsevier
An accurate and traceable performance testing of the X-ray computed tomography (XCT) is
crucial for the application of the XCT in various industrial fields. For the performance testing …
crucial for the application of the XCT in various industrial fields. For the performance testing …
Dimensional XCT comparison campaign on an aluminium object
AF Obaton, A Tanich, N Fischer, S Antona… - Measurement …, 2023 - iopscience.iop.org
An x-ray computed tomography (XCT) interlaboratory comparison campaign, involving an
aluminium-machined object, whose dimensions (92× 78× 63 mm 3) are significant for a 225 …
aluminium-machined object, whose dimensions (92× 78× 63 mm 3) are significant for a 225 …
Reference standard for the uncertainty estimation of X–ray Computed Tomography measurements of complex macro-and micro-geometries
Traditionally, measuring both macro and micro geometries with a single device has been
challenging in metrology. Coordinate Measuring Machines (CMM) are common devices for …
challenging in metrology. Coordinate Measuring Machines (CMM) are common devices for …
CT-Based Dimensional Metrology for Quality Assessment of the Internal Structure of Additive Manufactured Aluminum Parts
Two common types of internal defects of additively manufactured (AM) samples are lack-of-
fusion and gas-entrapped porosities. These internal defects can have different physical …
fusion and gas-entrapped porosities. These internal defects can have different physical …