Defects and anomalies in powder bed fusion metal additive manufacturing

A Mostafaei, C Zhao, Y He, SR Ghiaasiaan… - Current Opinion in Solid …, 2022 - Elsevier
Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …

[HTML][HTML] A review of multi-scale and multi-physics simulations of metal additive manufacturing processes with focus on modeling strategies

M Bayat, W Dong, J Thorborg, AC To, JH Hattel - Additive Manufacturing, 2021 - Elsevier
Numerical simulations have recently shown their potential as a robust, cheap and reliable
tool for predicting the quality of components produced by metal additive manufacturing …

[HTML][HTML] Review on residual stresses in metal additive manufacturing: formation mechanisms, parameter dependencies, prediction and control approaches

S Chen, H Gao, Q Wu, Z Gao, X Zhou - Journal of materials research and …, 2022 - Elsevier
Metal additive manufacturing (MAM) technology has great application potential in the
aerospace, medical and energy fields with its high material utilization efficiency to achieve …

[HTML][HTML] Holistic computational design within additive manufacturing through topology optimization combined with multiphysics multi-scale materials and process …

M Bayat, O Zinovieva, F Ferrari, C Ayas… - Progress in Materials …, 2023 - Elsevier
Additive manufacturing (AM) processes have proven to be a perfect match for topology
optimization (TO), as they are able to realize sophisticated geometries in a unique layer-by …

Temperature-dependent modified inherent strain method for predicting residual stress and distortion of Ti6Al4V walls manufactured by wire-arc directed energy …

W Dong, XA Jimenez, AC To - Additive Manufacturing, 2023 - Elsevier
As an additive manufacturing (AM) process, wire-arc directed energy deposition (DED) has
drawn increasing attention due to its ability to print large metal parts. However, the heat …

A new procedure for implementing the modified inherent strain method with improved accuracy in predicting both residual stress and deformation for laser powder bed …

W Dong, X Liang, Q Chen, S Hinnebusch, Z Zhou… - Additive …, 2021 - Elsevier
As a metal additive manufacturing (AM) process, laser powder bed fusion (L-PBF) has been
widely used to produce parts with complex geometries. The large thermal gradient caused …

Additive manufacturing of titanium alloys via selective laser melting: fabrication, microstructure, post-processing, performance and prospect

J Lu, L Zhuo - International Journal of Refractory Metals and Hard …, 2023 - Elsevier
Growing maturity of SLM has enabled the use of rapid manufacturing technology on hard-to-
machine Ti alloys. In this review, selective laser melted titanium alloys are reviewed based …

Residual stress constrained self-support topology optimization for metal additive manufacturing

S Xu, J Liu, Y Ma - Computer Methods in Applied Mechanics and …, 2022 - Elsevier
This paper proposes a topology optimization method to design self-support structures for
metal additive manufacturing. Constraining the process-induced residual stresses is …

[HTML][HTML] Process parameter optimization of metal additive manufacturing: A review and outlook

HY Chia, J Wu, X Wang, W Yan - Journal of Materials Informatics, 2022 - oaepublish.com
The selection of appropriate process parameters is crucial in metal additive manufacturing
(AM) as it directly influences the defect formation and microstructure of the printed part. Over …

On incorporating scanning strategy effects into the modified inherent strain modeling framework for laser powder bed fusion

X Liang, W Dong, Q Chen, AC To - Additive Manufacturing, 2021 - Elsevier
Laser powder bed fusion (L-PBF) has been the most popular metal additive manufacturing
(AM) process thus far. However, residual deformation of the metal builds has been a …