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View article: A novel experimental–numerical procedure for the rheological characterization of thermoplastic polymers applied to injection molding
A novel experimental–numerical procedure for the rheological characterization of thermoplastic polymers applied to injection molding Open
Products’ quality in injection molding (IM) is affected by several factors, thus motivating the use of numerical models and codes for process optimization. One of the most affecting properties from the modelling perspective is the polymer …
View article: Laser powder bed fusion process optimization for the production of high-performance and efficient high-silicon steel electrical motor components
Laser powder bed fusion process optimization for the production of high-performance and efficient high-silicon steel electrical motor components Open
The increasing demand for high-performance electrical motor components, together with the need for improved energy efficiency and sustainability, is driving the exploration of advanced materials and manufacturing techniques. Iron–silicon a…
View article: Accuracy of fast CT dimensional measurements: a case study on an additively manufactured metal part
Accuracy of fast CT dimensional measurements: a case study on an additively manufactured metal part Open
X-ray computed tomography (CT) has gained significant traction across various industrial sectors as a dimensional metrology tool, providing holistic characterizations and enhancing the development of new industrial products. However, despi…
View article: Improving CT reconstructions of multi-material assemblies by multi-position data fusion: a case study
Improving CT reconstructions of multi-material assemblies by multi-position data fusion: a case study Open
X-ray computed tomography (CT) is widely used for inspecting multi-material assemblies, yet it often suffers from image artifacts caused by the differences in density and X-ray absorption between the materials. This study validates a metho…
View article: Investigating the effects of machine learning generalization for enhancing accuracy in fast X-ray computed tomography for industrial metrology
Investigating the effects of machine learning generalization for enhancing accuracy in fast X-ray computed tomography for industrial metrology Open
Industrial X-ray computed tomography enables comprehensive inspections, but the measurement accuracy can be compromised at high scanning speeds due to reduced image quality. Machine learning shows promise in enhancing tomographic reconstru…
View article: New multi-function building plate for improving metal laser powder bed fusion by enhancing the alignment accuracy of in-process monitoring data, computed tomography measurements, and building volume geometry
New multi-function building plate for improving metal laser powder bed fusion by enhancing the alignment accuracy of in-process monitoring data, computed tomography measurements, and building volume geometry Open
Laser-based powder bed fusion of metals (PBF-LB/M) is an additive manufacturing process enabling the fabrication of parts with highly complex and customizable geometries, enhanced strength-to-weight properties, and minimized material waste…
View article: Pure niobium manufactured by Laser-Based Powder Bed Fusion: influence of process parameters and supports on as-built surface quality
Pure niobium manufactured by Laser-Based Powder Bed Fusion: influence of process parameters and supports on as-built surface quality Open
Niobium (Nb) is a transition metal commonly used as an alloying element for increasing strength, toughness, corrosion resistance, and other properties of steel and superalloys. Pure Nb, however, is a very interesting metal for its excellen…
View article: Electromagnetic Characterization of Silicon–Iron Additively Manufactured Cores for Electric Machines
Electromagnetic Characterization of Silicon–Iron Additively Manufactured Cores for Electric Machines Open
This paper deals with the electromagnetic characterization of a laminated toroidal ferromagnetic core made through additive manufacturing, specifically using the laser powder bed fusion process. The continuing demand for increasingly effic…
View article: Two different experimental approaches for the uncertainty determination of X-ray computed tomography dimensional measurements on lattice structures
Two different experimental approaches for the uncertainty determination of X-ray computed tomography dimensional measurements on lattice structures Open
X-ray computed tomography (CT) is increasingly used in industrial dimensional metrology. However, the establishment of metrological traceability can be challenging for CT dimensional measurements, as the evaluation of their uncertainty is …
View article: Deformations modelling of metal additively manufactured parts and improved comparison of in-process monitoring and post-process X-ray computed tomography
Deformations modelling of metal additively manufactured parts and improved comparison of in-process monitoring and post-process X-ray computed tomography Open
The comparison of potential defects detected through in-process real-time monitoring systems and actual defects measured in the fabricated parts by X-ray computed tomography offers relevant opportunities for improving the understanding, su…
View article: Unravelling the dependency of dross formations in metal additively manufactured channels as a function of channel diameter and inclination angle
Unravelling the dependency of dross formations in metal additively manufactured channels as a function of channel diameter and inclination angle Open
In recent years, the non-destructive characterisation via X-ray computed tomography of internal features, often produced with novel manufacturing methods, has gained increasing attention. Reducing the rate of defects during the production …
View article: Non-Destructive Assessment of the Functional Diameter and Hydrodynamic Roughness of Additively Manufactured Channels
Non-Destructive Assessment of the Functional Diameter and Hydrodynamic Roughness of Additively Manufactured Channels Open
Metal additive manufacturing, particularly laser powder bed fusion, is increasingly used in the gas turbine industry for the fabrication of channels with small diameters for conformal cooling and flow passage applications. A critical chall…
View article: On the possibility of doing reduced order, thermo-fluid modelling of laser powder bed fusion (L-PBF) – Assessment of the importance of recoil pressure and surface tension
On the possibility of doing reduced order, thermo-fluid modelling of laser powder bed fusion (L-PBF) – Assessment of the importance of recoil pressure and surface tension Open
Meso-scale, multi-physics simulations of metal additive manufacturing (MAM) processes have so far proven their capability as a reliable tool for predicting potential defect formations. Nevertheless, there is a large number of uncertainty c…
View article: On the use of X-ray computed tomography for the improvement of metal laser powder bed fusion process monitoring
On the use of X-ray computed tomography for the improvement of metal laser powder bed fusion process monitoring Open
Laser-powder bed fusion (LPBF) is increasingly used as a successful metal additive manufacturing technology in different industrial sectors, such as biomedical and aerospace, especially for the production of parts with high geometrical com…
View article: Case-based reasoning user support for industrial x-ray computed tomography
Case-based reasoning user support for industrial x-ray computed tomography Open
Industrial x-ray computed tomography is increasingly used in the field of dimensional metrology. However, the measurement accuracy is influenced by many factors for which comprehensive expert’s knowledge is still not available. This work p…
View article: CT-based method to measure metal powder characteristics and to study their influence on the quality of additively manufactured parts
CT-based method to measure metal powder characteristics and to study their influence on the quality of additively manufactured parts Open
Laser powder bed fusion (LPBF) is increasingly used to produce metal industrial components for high value-added sectors, such as aerospace, automotive and biomedical. However, mechanical and structural properties of LPBF parts are often hi…