Packing quality of powder layer during counter-rolling-type powder spreading process in additive manufacturing
Powder spreading is an essential procedure in powder-bed-based additive manufacturing,
and the resultant packing quality of the powder layer has important effects on the quality of …
and the resultant packing quality of the powder layer has important effects on the quality of …
[HTML][HTML] Laser-matter interactions in additive manufacturing of stainless steel SS316L and 13-93 bioactive glass revealed by in situ X-ray imaging
Laser-matter interactions in laser additive manufacturing (LAM) occur on short time scales
(10− 6–10− 3 s) and have traditionally proven difficult to characterise. We investigate these …
(10− 6–10− 3 s) and have traditionally proven difficult to characterise. We investigate these …
[HTML][HTML] Volumetric heat source calibration for laser powder bed fusion
AJ Ross, I Bitharas, KG Perkins, AJ Moore - Additive Manufacturing, 2022 - Elsevier
Computationally efficient models that consider only conduction are increasingly used in
powder bed fusion (PBF) to predict the thermal history for relatively large build volumes. We …
powder bed fusion (PBF) to predict the thermal history for relatively large build volumes. We …
Tracking and controlling the morphology evolution of 3D powder-bed fusion in situ using inline coherent imaging
TG Fleming, SGL Nestor, TR Allen, MA Boukhaled… - Additive …, 2020 - Elsevier
Inconsistent part quality is a challenge to the widespread adoption of powder-bed fusion
additive manufacturing. Previous efforts to monitor the PBF process in situ have been mostly …
additive manufacturing. Previous efforts to monitor the PBF process in situ have been mostly …
A laboratory-scale binder jet additive manufacturing testbed for process exploration and material development
Binder jet additive manufacturing (BJAM) is capable of fabricating complex three-
dimensional components from a variety of material classes. Understanding the …
dimensional components from a variety of material classes. Understanding the …
[HTML][HTML] Visualisation and numerical analysis of laser powder bed fusion under cross-flow
I Bitharas, A Burton, AJ Ross, AJ Moore - Additive Manufacturing, 2021 - Elsevier
As well as preventing oxidation, a cross-flow of inert gas over the powder bed extracts
process by-products, making it critical for process repeatability and build quality during the …
process by-products, making it critical for process repeatability and build quality during the …
Powder plasma spheroidization treatment and the characterization of microstructure and mechanical properties of SS 316L powder and L-PBF builds
A plasma spheroidization treatment was applied to stock stainless steel 316L powder for
additive manufacturing. The normal and treated powders were compared both in the powder …
additive manufacturing. The normal and treated powders were compared both in the powder …
[PDF][PDF] Laser-matter interactions in additive manufacturing of stainless steel SS316L and 13-93 bioactive glass revealed by in situ X-ray imaging
CLA Leunga, S Marussib, M Towrieb… - tissue …, 2018 - academia.edu
Laser-matter interactions in laser additive manufacturing (LAM) occur on short time scales
(10− 6–10− 3 s) and have traditionally proven difficult to characterise. We investigate these …
(10− 6–10− 3 s) and have traditionally proven difficult to characterise. We investigate these …
Testbeds for Advancement of Powder Bed Additive Manufacturing with Application to Reactive Binder Jetting of Ceramics
D Oropeza Gomez - 2021 - dspace.mit.edu
Binder jet additive manufacturing (BJAM) offers design flexibility and compatibility with a
variety of materials due to material processing in the solid state. The formation of the powder …
variety of materials due to material processing in the solid state. The formation of the powder …