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] Invited review: Machine learning for materials developments in metals additive manufacturing

NS Johnson, PS Vulimiri, AC To, X Zhang, CA Brice… - Additive …, 2020 - Elsevier
In metals additive manufacturing (AM), materials and components are concurrently made in
a single process as layers of metal are fabricated on top of each other in the near-final …

The significance of spatial length scales and solute segregation in strengthening rapid solidification microstructures of 316L stainless steel

T Pinomaa, M Lindroos, M Walbrühl, N Provatas… - Acta Materialia, 2020 - Elsevier
Selective laser melting (SLM) can produce outstanding mechanical properties in 316L
stainless steel. Nonetheless, the technique can lead to considerable variation in quality. This …

[HTML][HTML] Design and tailoring of alloys for additive manufacturing

TM Pollock, AJ Clarke, SS Babu - Metallurgical and Materials Transactions …, 2020 - Springer
Additive manufacturing (AM) promises a major transformation for manufacturing of metallic
components for aerospace, medical, nuclear, and energy applications. This perspective …

A comparison of Selective Laser Melting with bulk rapid solidification of AlSi10Mg alloy

S Marola, D Manfredi, G Fiore, MG Poletti… - Journal of Alloys and …, 2018 - Elsevier
Abstract In Selective Laser Melting (SLM) layers of atomized powder are spread sequentially
on a building platform and melted locally by a laser beam. The melt pool is quenched by the …

Microstructural pattern formation during far-from-equilibrium alloy solidification

K Ji, E Dorari, AJ Clarke, A Karma - Physical Review Letters, 2023 - APS
We introduce a new phase-field formulation of rapid alloy solidification that quantitatively
incorporates nonequilibrium effects at the solid-liquid interface over a very wide range of …

[HTML][HTML] Powder bed fusion additive manufacturing of Ni-based superalloys: a review of the main microstructural constituents and characterization techniques

MP Haines, VV Rielli, S Primig, N Haghdadi - Journal of Materials Science, 2022 - Springer
Metal additive manufacturing (AM) has unlocked unique opportunities for making complex
Ni-based superalloy parts with reduced material waste, development costs, and production …

Finite interface dissipation phase field modeling of Ni–Nb under additive manufacturing conditions

K Karayagiz, L Johnson, R Seede, V Attari, B Zhang… - Acta Materialia, 2020 - Elsevier
During laser powder bed fusion (L-PBF) parts undergo multiple rapid heating-cooling cycles,
leading to complex microstructures with nonuniform properties. In the present work, a …

[HTML][HTML] Morphological stability of solid-liquid interfaces under additive manufacturing conditions

D Tourret, J Klemm-Toole, AE Castellanos, B Rodgers… - Acta Materialia, 2023 - Elsevier
Understanding rapid solidification behavior at velocities relevant to additive manufacturing
(AM) is critical to controlling microstructure selection. Although in-situ visualization of …

[HTML][HTML] Laser-matter interactions in additive manufacturing of stainless steel SS316L and 13-93 bioactive glass revealed by in situ X-ray imaging

CLA Leung, S Marussi, M Towrie, J del Val Garcia… - Additive …, 2018 - Elsevier
Laser-matter interactions in laser additive manufacturing (LAM) occur on short time scales
(10− 6–10− 3 s) and have traditionally proven difficult to characterise. We investigate these …