Thermo-mechanical simulation of annealing heat treatment of Ni-based GH4099 superalloy made by laser powder bed fusion
Laser powder bed fusion (LPBF) additive manufacturing (AM) unavoidably generates
residual stresses due to sharp thermal gradients and the strong mechanical constraints of …
residual stresses due to sharp thermal gradients and the strong mechanical constraints of …
[HTML][HTML] An experimental and modeling study on warping in additively manufactured overhang structures
X Gao, F Okigami, N Avedissian, W Zhang - Additive Manufacturing, 2024 - Elsevier
Printing overhang structures by laser-powder bed fusion (L-PBF) additive manufacturing
remains challenging due to warping distortion. This paper studies the warping formation of …
remains challenging due to warping distortion. This paper studies the warping formation of …
Speeding up mesoscale thermal simulations of powder bed additive manufacturing thanks to the forward Euler time-integration scheme: A critical assessment
This work addresses the mesoscale conduction-based modelling of Powder Bed Fusion for
metallic materials. The forward Euler (explicit) time integration strategy is thoroughly …
metallic materials. The forward Euler (explicit) time integration strategy is thoroughly …
Prediction and validation of melt pool dimensions and geometric distortions of additively manufactured AlSi10Mg
A finite element–based thermomechanical modeling approach is developed in this study to
provide a prediction of the mesoscale melt pool behavior and part-scale properties for …
provide a prediction of the mesoscale melt pool behavior and part-scale properties for …
Electron-optical in situ imaging for the assessment of accuracy in electron beam powder bed fusion
The current study evaluates the capabilities of electron-optical (ELO) in situ imaging with
respect to monitoring and prediction of manufacturing precision in electron beam powder …
respect to monitoring and prediction of manufacturing precision in electron beam powder …
Improving component dimensional accuracy in electron beam powder bed fusion by addressing nonlinear deformations with 3D compensation strategies
Electron beam powder bed fusion (EB-PBF) is effective for producing complex geometrical
components with minimal residual stress because of elevated powder bed temperatures; …
components with minimal residual stress because of elevated powder bed temperatures; …
A high-confidence geometric compensation approach for improving downward surface accuracy
W Pan, Y Yang, WF Lu, Y Wang, M Li, H Wu - Additive Manufacturing, 2024 - Elsevier
Overhangs are usually inevitable in Additive Manufacturing (AM). Moreover, making their
downward surfaces reach higher accuracy after printing has an imperative impact on …
downward surfaces reach higher accuracy after printing has an imperative impact on …
Mechanical and microstructural characterization of titanium gr. 5 parts produced by different manufacturing routes
D Campanella, G Buffa, A El Hassanin… - … International Journal of …, 2022 - Springer
Since a few decades, the aircraft industry has shifted its preference for metal parts to titanium
and its alloys, such as the high-strength titanium grade 5 alloy. Because of titanium grade 5 …
and its alloys, such as the high-strength titanium grade 5 alloy. Because of titanium grade 5 …
Effect of electron beam energy density on the microstructure and properties of CuCrZr alloy prepared by electron beam powder bed fusion (EB-PBF)
Y Li, S Liu, Y Wang, Y Wei, J Wang, L Zhang… - Materials …, 2024 - Elsevier
The preparation of CuCrZr alloy parts by traditional material processing methods usually
requires solution and aging treatment to precipitate Cr phase to improve the mechanical …
requires solution and aging treatment to precipitate Cr phase to improve the mechanical …
Geometrical defect analysis of overhang geometry produced by electron beam melting: experimental and statistical investigations
While electron beam melting is used to produce near net shape parts, it is still important to
study geometrical defects since the final parts may include a serious change of geometry or …
study geometrical defects since the final parts may include a serious change of geometry or …