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 …

Simulation of melt pool behaviour during additive manufacturing: Underlying physics and progress

PS Cook, AB Murphy - Additive Manufacturing, 2020 - Elsevier
Reliable computational models of metal additive manufacturing will assist in optimising part
quality, and are likely to play a role in component qualification. A key component of these …

New aluminum alloys specifically designed for laser powder bed fusion: a review

A Aversa, G Marchese, A Saboori, E Bassini… - Materials, 2019 - mdpi.com
Aluminum alloys are key materials in additive manufacturing (AM) technologies thanks to
their low density that, coupled with the possibility to create complex geometries of these …

Investigation of metal mixing in laser keyhole welding of dissimilar metals

W Huang, H Wang, T Rinker, W Tan - Materials & design, 2020 - Elsevier
Laser keyhole welding of dissimilar metals has broad applications in various industrial
fields. However, dissimilar metal mixing in the molten pool often causes the formation of …

Light–matter interaction empowered by orbital angular momentum: Control of matter at the micro-and nanoscale

A Porfirev, S Khonina, A Kuchmizhak - Progress in Quantum Electronics, 2023 - Elsevier
Orbital angular momentum (OAM) of light is an important feature of structured
electromagnetic fields exhibiting non-uniform spatial distribution. In contrast to a spin …

From ripples to spikes: A hydrodynamical mechanism to interpret femtosecond laser-induced self-assembled structures

GD Tsibidis, C Fotakis, E Stratakis - Physical Review B, 2015 - APS
Materials irradiated with multiple femtosecond laser pulses in subablation conditions are
observed to develop various types of self-assembled morphologies that range from …

Effect of laser-matter interaction on molten pool flow and keyhole dynamics

N Kouraytem, X Li, R Cunningham, C Zhao, N Parab… - Physical Review …, 2019 - APS
Laser-induced keyholing occurs in additive manufacturing and welding processes, but the
keyhole dynamics have not been well understood. A multiphase and multiphysics numerical …

Dynamics of ripple formation on silicon surfaces by ultrashort laser pulses in subablation conditions

GD Tsibidis, M Barberoglou, PA Loukakos… - Physical Review B …, 2012 - APS
An investigation of ultrashort pulsed laser–induced surface modification due to conditions
that result in a superheated melted liquid layer and material evaporation are considered. To …

Supervised deep learning for real-time quality monitoring of laser welding with X-ray radiographic guidance

S Shevchik, T Le-Quang, B Meylan, FV Farahani… - Scientific reports, 2020 - nature.com
Laser welding is a key technology for many industrial applications. However, its online
quality monitoring is an open issue due to the highly complex nature of the process. This …

Effects of laser oscillation on metal mixing, microstructure, and mechanical property of Aluminum–Copper welds

W Huang, W Cai, TJ Rinker, J Bracey, W Tan - International Journal of …, 2023 - Elsevier
Laser welding of dissimilar metals is important in many industrial applications. However, as
dissimilar metals get mixed during the melting process, intermetallic compounds are often …