[HTML][HTML] Effects of defects on mechanical properties in metal additive manufacturing: A review focusing on X-ray tomography insights

A Du Plessis, I Yadroitsava, I Yadroitsev - Materials & Design, 2020 - Elsevier
X-ray tomography has emerged as a uniquely powerful and non-destructive tool to analyze
defects in additive manufacturing. Defects include unintended porosity, rough surfaces and …

[HTML][HTML] High resolution pore size analysis in metallic powders by X-ray tomography

K Heim, F Bernier, R Pelletier, LP Lefebvre - Case Studies in …, 2016 - Elsevier
The deployment of additive manufacturing processes relies on part quality, specifically the
absence of internal defects. Some of those defects have been associated with porosities in …

Investigation of pore structure in cobalt chrome additively manufactured parts using X-ray computed tomography and three-dimensional image analysis

FH Kim, SP Moylan, EJ Garboczi, JA Slotwinski - Additive Manufacturing, 2017 - Elsevier
Pore structures of additively manufactured metal parts were investigated with X-ray
Computed Tomography (XCT). Disks made of a cobalt-chrome alloy were produced using …

Synchrotron-based X-ray microtomography characterization of the effect of processing variables on porosity formation in laser power-bed additive manufacturing of Ti …

R Cunningham, SP Narra, C Montgomery, J Beuth… - Jom, 2017 - Springer
The porosity observed in additively manufactured (AM) parts is a potential concern for
components intended to undergo high-cycle fatigue without post-processing to remove such …

[图书][B] Literature review of metal additive manufacturing defects

FH Kim, FH Kim, SP Moylan - 2018 - nvlpubs.nist.gov
Additive manufacturing (AM) is a revolutionary manufacturing technique, which is expected
to reshape the future of manufacturing industries. While various materials are used in AM …

X-ray microcomputed tomography in additive manufacturing: a review of the current technology and applications

A Du Plessis, I Yadroitsev, I Yadroitsava… - 3D Printing and …, 2018 - liebertpub.com
X-ray microcomputed tomography (microCT) has become an established method of testing
and analyzing additively manufactured parts in recent years, being especially useful and …

Standardized X-ray tomography testing of additively manufactured parts: A round robin test

A du Plessis, SG le Roux - Additive Manufacturing, 2018 - Elsevier
Micro computed tomography (microCT) allows non-destructive insights into the quality of
additively manufactured parts and the processes that produce them. MicroCT has been used …

Scanning optical microscopy for porosity quantification of additively manufactured components

P Wang, X Tan, C He, MLS Nai, R Huang, SB Tor… - Additive …, 2018 - Elsevier
Electron beam melting (EBM) is a representative powder-bed fusion additive manufacturing
technology, which is suitable for producing near-net-shape metallic components with …

Not all scans are equal: X-ray tomography image quality evaluation

A Du Plessis, M Tshibalanganda… - Materials Today …, 2020 - Elsevier
X-ray microtomography is widely used in materials science and engineering applications for
imaging and analysis of material structure and morphology. For this purpose, and especially …

Physics-informed machine learning and mechanistic modeling of additive manufacturing to reduce defects

Y Du, T Mukherjee, T DebRoy - Applied Materials Today, 2021 - Elsevier
In the past few decades, additive manufacturing has evolved for the one-step fabrication of
various complex, customized metallic components that cannot be easily and economically …