Review of Computer-Aided Manufacturing (CAM) strategies for hybrid directed energy deposition

T Feldhausen, L Heinrich, K Saleeby, A Burl, B Post… - Additive …, 2022 - Elsevier
Hybrid additive manufacturing intertwines both additive and subtractive manufacturing layer
by layer to digitally fabricate parts with complex geometries, improved surface finish and …

[HTML][HTML] Calibrated closed-loop control to reduce the effect of geometry on mechanical behaviour in directed energy deposition

F Freeman, L Chechik, B Thomas, I Todd - Journal of Materials Processing …, 2023 - Elsevier
Directed energy deposition (DED) is an emerging technology with significant industrial
potential in the repair of critical aerospace components, however its adoption has been …

Support equilibrium design for laser additive manufacturing of lightweight component based on geometric deformation minimization

J Xu, L Wang, Z Tu, K Wang, S Zhang… - 3D Printing and Additive …, 2024 - liebertpub.com
This article proposes a support equilibrium design methodology for laser additive
manufacturing of lightweight components based on geometric deformation minimization …

[HTML][HTML] Investigation of residual stresses of multi-layer multi-track components built by directed energy deposition: experimental, numerical, and time-series machine …

SE Mirazimzadeh, B Mohajernia, S Pazireh… - … International Journal of …, 2024 - Springer
In the process of manufacturing various components using direct energy deposition (DED)
with multiple layers and tracks, the accumulation of heat can result in high residual tensile …

Simulation Study on the Energy Utilization Efficiency of a Turbine Impeller Based on a Selective Laser Melting Process

J Guo, Y Wang, Y Wang, S Peng, F Wang - Applied Sciences, 2023 - mdpi.com
In this paper, a simulation model for Selective Laser Melting (SLM) technology is established
to simulate the additive manufacturing process of a turbine impeller for an aerospace …

[HTML][HTML] Unsupervised clustering approach for recognizing residual stress and distortion patterns for different parts for directed energy deposition additive …

SE Mirazimzadeh, S Pazireh, J Urbanic… - The International Journal …, 2023 - Springer
Data obtained from additive manufactured components can be analyzed to gain a better
understanding of the manufacturing physics and to improve the quality of the parts …

[HTML][HTML] Efficient reduced-order thermal modelling of scanning laser melting for additive manufacturing

G Chen, J Ding, Y Sun, X Chen, C Wang… - Journal of Materials …, 2023 - Elsevier
Additive manufacturing (AM) with a scanning laser (SL) to independently control melt pool
shape has the potential to achieve part building with high geometric accuracy and …

The thermal history of the directed energy deposition process monitored by pyrometer and camera

J Li, T Liu, K Zhang, Z Zou, X Lu… - … Science and Technology, 2024 - iopscience.iop.org
In the process of directed energy deposition (DED), the local thermal history of a component
can change significantly owing to its complex heat transfer characteristics. The main …

[HTML][HTML] Application of Linear Mixed-Effects Model, Principal Component Analysis, and Clustering to Direct Energy Deposition Fabricated Parts Using FEM Simulation …

S Pazireh, SE Mirazimzadeh, J Urbanic - Materials, 2024 - mdpi.com
The purpose of this study is to investigate the effects of toolpath patterns, geometry types,
and layering effects on the mechanical properties of parts manufactured by direct energy …

[HTML][HTML] Exploring computational techniques for simulating residual stresses for thin wall multi-joint hexagon configurations for a laser directed energy deposition …

B Mohajernia, J Urbanic - The International Journal of Advanced …, 2023 - Springer
Laser cladding is a directed energy deposition process and can lead to high residual
stresses, which can compromise the quality of the specimen. As a result, it is crucial to …