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 …

Role of porosity defects in metal 3D printing: Formation mechanisms, impacts on properties and mitigation strategies

S Wang, J Ning, L Zhu, Z Yang, W Yan, Y Dun, P Xue… - Materials Today, 2022 - Elsevier
Abstract Metal 3D printing (3DP), a state-of-the-art manufacturing technology that brings the
potential to fabricate complex structures at low cost and reduced energy consumption, has …

A review of Laser Powder Bed Fusion Additive Manufacturing of aluminium alloys: Microstructure and properties

HR Kotadia, G Gibbons, A Das, PD Howes - Additive Manufacturing, 2021 - Elsevier
Additive manufacturing (AM) of metallic alloys for structural and functional applications has
attracted significant interest in the last two decades as it brings a step change in the …

Recent progress on the additive manufacturing of aluminum alloys and aluminum matrix composites: Microstructure, properties, and applications

Z Zhu, Z Hu, HL Seet, T Liu, W Liao… - International Journal of …, 2023 - Elsevier
Whilst the adoption of additive manufacturing (AM) of aluminum alloys is relatively slower
compared with that of steels and titanium alloys, it has undergone a flourishing trend in the …

Keyhole fluctuation and pore formation mechanisms during laser powder bed fusion additive manufacturing

Y Huang, TG Fleming, SJ Clark, S Marussi… - Nature …, 2022 - nature.com
Keyhole porosity is a key concern in laser powder-bed fusion (LPBF), potentially impacting
component fatigue life. However, some keyhole porosity formation mechanisms, eg, keyhole …

Additive manufacturing of oxide-dispersion strengthened alloys: Materials, synthesis and manufacturing

MB Wilms, SK Rittinghaus, M Goßling… - Progress in Materials …, 2023 - Elsevier
Oxide dispersion strengthened (ODS) alloys are characterized by nanoscale oxide particles
homogeneously dispersed in a metallic matrix. They have been developed driven by …

Mechanism of keyhole pore formation in metal additive manufacturing

L Wang, Y Zhang, HY Chia, W Yan - npj Computational Materials, 2022 - nature.com
During metal additive manufacturing, the porosity of the as-built part deteriorates the
mechanical property and even hinders the further application of metal additive …

[HTML][HTML] Metal vaporization and its influence during laser powder bed fusion process

J Liu, P Wen - Materials & Design, 2022 - Elsevier
Laser powder bed fusion (LPBF) is a key metal additive manufacturing process and has
attracted increasing attention both in academia and industry. An essential physical issue …

In-situ monitoring of sub-surface and internal defects in additive manufacturing: A review

Y AbouelNour, N Gupta - Materials & Design, 2022 - Elsevier
Abstract Additive Manufacturing (AM), or 3D printing, processes depend on a user-defined
set of optimized process parameters to create a component. Monitoring and control of AM …

Laser melting modes in metal powder bed fusion additive manufacturing

C Zhao, B Shi, S Chen, D Du, T Sun, BJ Simonds… - Reviews of Modern …, 2022 - APS
In the laser powder bed fusion additive manufacturing of metals, extreme thermal conditions
create many highly dynamic physical phenomena, such as vaporization and recoil …