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 …

Material-structure-performance integrated laser-metal additive manufacturing

D Gu, X Shi, R Poprawe, DL Bourell, R Setchi, J Zhu - Science, 2021 - science.org
BACKGROUND Metallic components are the cornerstone of modern industries such as
aviation, aerospace, automobile manufacturing, and energy production. The stringent …

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 …

Review on the correlation between microstructure and mechanical performance for laser powder bed fusion AlSi10Mg

L Zhao, L Song, JGS Macías, Y Zhu, M Huang… - Additive …, 2022 - Elsevier
As important structural materials widely used in aerospace and automotive industries,
aluminum alloys are perfect candidates for development of laser metal additive …

[HTML][HTML] Review of high-strength aluminium alloys for additive manufacturing by laser powder bed fusion

PA Rometsch, Y Zhu, X Wu, A Huang - Materials & Design, 2022 - Elsevier
Laser powder bed fusion (LPBF) is one of the major additive manufacturing techniques that
industries have adopted to produce complex metal components. The scientific and industrial …

Multi-scale defects in powder-based additively manufactured metals and alloys

J Fu, H Li, X Song, MW Fu - Journal of Materials Science & Technology, 2022 - Elsevier
Defect formation is a critical challenge for powder-based metal additive manufacturing (AM).
Current understanding on the three important issues including formation mechanism …

Control of grain structure, phases, and defects in additive manufacturing of high-performance metallic components

T Mukherjee, JW Elmer, HL Wei, TJ Lienert… - Progress in Materials …, 2023 - Elsevier
The properties and serviceability of 3D-printed metal parts depend on a variety of attributes.
These include the chemical composition, phases, morphology, spatial distributions of grain …

Superior mechanical properties of a selective-laser-melted AlZnMgCuScZr alloy enabled by a tunable hierarchical microstructure and dual-nanoprecipitation

Z Zhu, FL Ng, HL Seet, W Lu, CH Liebscher, Z Rao… - Materials Today, 2022 - Elsevier
Achieving high mechanical strength and ductility in age-hardenable Al7000 series (Al–Zn–
Mg) alloys fabricated by selective laser melting (SLM) remains challenging. Here, we show …

Towards high-temperature applications of aluminium alloys enabled by additive manufacturing

RA Michi, A Plotkowski, A Shyam… - International …, 2022 - Taylor & Francis
Research on powder-based additive manufacturing of aluminium alloys is rapidly
increasing, and recent breakthroughs in printing of defect-free parts promise substantial …

New alloy design approach to inhibiting hot cracking in laser additive manufactured nickel-based superalloys

Y Zhao, Z Ma, L Yu, Y Liu - Acta Materialia, 2023 - Elsevier
Avoiding the formation of cracks to ensure a reliable printability and a good stability is crucial
in the laser additive manufacturing of alloys. Contrary to previous studies that have generally …