Additive manufacturing-oriented concurrent robust topology optimization considering size control

Z Li, L Wang, T Lv - International Journal of Mechanical Sciences, 2023 - Elsevier
With the continuous improvement of the demand level for advanced equipment, the trend of
material structure integration and design and manufacturing integration is strengthening …

High-power laser powder bed fusion of 316L stainless steel: Defects, microstructure, and mechanical properties

G Huang, K Wei, J Deng, M Liu, X Zeng - Journal of Manufacturing …, 2022 - Elsevier
Low build rate has always been the bottleneck problem of the application and development
of laser powder bed fusion (LPBF) metal 3D printing technology. Although increasing laser …

Residual stresses in thin walled-structures manufactured by directed energy deposition: In-situ measurements, fast thermo-mechanical simulation and buckling

D Weisz-Patrault, P Margerit, A Constantinescu - Additive Manufacturing, 2022 - Elsevier
Manufacturing strains and subsequent residual stresses are key elements in the behavior of
thin-walled structures, as they induce buckling, warping, and failure. This work proposes a …

Microstructure, deformation and fracture mechanisms in Al-4043 alloy produced by laser hot-wire additive manufacturing

GL Knapp, M Gussev, A Shyam, T Feldhausen… - Additive …, 2022 - Elsevier
High deposition rate additive manufacturing (AM) processes with minimal feedstock costs
are desirable to reduce part fabrication times and minimize the cost of implementation. Wire …

[HTML][HTML] Ti-containing 316L stainless steels with excellent tensile properties fabricated by directed energy deposition additive manufacturing

SB Han, YS Lee, SH Park, H Song - Materials Science and Engineering: A, 2023 - Elsevier
Additive manufacturing is used to produce complex shapes, and it has been actively
investigated. In this study, 316L stainless steels with various amounts of Ti were fabricated …

Comparison of different additive manufacturing methods for 316l stainless steel

J Bedmar, A Riquelme, P Rodrigo, B Torres, J Rams - Materials, 2021 - mdpi.com
In additive manufacturing (AM), the technology and processing parameters are key elements
that determine the characteristics of samples for a given material. To distinguish the effects …

A framework for predicting residual mechanical response fields for laser powder bed fusion at the polycrystalline length scale

L Kuna, AJ Birnbaum, K Teferra - Additive Manufacturing, 2023 - Elsevier
A framework is developed to directly model the effect of processing parameters utilized
during laser powder bed fusion additive manufacturing (LPBF AM) on material …

Process-induced mechanical property heterogeneity along the building direction of directed energy deposited IN718 thin-walled parts

J Ning, Z Yan, L Zhu, J Zhao, Z Yang, S Wang… - International Journal of …, 2022 - Elsevier
Directed energy deposition (DED) makes fabrication of large technological components
more achievable; however, the process-induced heterogeneity of mechanical properties …

[HTML][HTML] Directed energy deposition GRCop-42 copper alloy: Characterization and size effects

G Demeneghi, B Barnes, P Gradl, D Ellis, JR Mayeur… - Materials & Design, 2022 - Elsevier
Abstract Laser Powder Direct Energy Deposition (LP-DED) allows for manufacturing of large
components while still maintaining internal thin walls for heat exchanger applications. The …

[HTML][HTML] Multi-phase flow simulation of powder streaming in laser-based directed energy deposition

L Wang, S Wang, Y Zhang, W Yan - International Journal of Heat and Mass …, 2023 - Elsevier
As a promising additive manufacturing technique, laser-based directed energy deposition
has been widely applied in part fabrication, surface cladding, and part restoration. During …