... population, surface integrity and mechanical performance of SS316L/Inconel 625 FGMs produced by laser powder bed fusion ( LPBF ), and to provide guidance on process selection for multi-material LPBF parts. Design/methodology/approach SS316L/IN625 FGMs with a height-aligned composition gradient were...

...Sean D. Dobson; Ashley E. Paz y Puente; Matthew A. Steiner Purpose The volumetric energy density ( VED ) equation in laser powder bed fusion serves as an elementary model of the laser energy delivered to the powder bed. This metric, composed of critical process parameters, is often correlated...

...Madison Wooldridge; Martin Holzweissig; Kay-Peter Hoyer; Mirko Schaper Purpose The adoption of laser powder bed fusion ( LPBF ) as an additive manufacturing technique has been slow in the oil and gas (O&G) industry because of the uncertainty regarding material performance and the lack...

... to fabricate gas-permeable mold steel. Design/methodology/approach Gas-permeable mold steel was fabricated by incorporating CrNx foaming agents into the 18Ni300 alloy using Laser Powder Bed Fusion ( LPBF ) technology. Findings By adjusting the volumetric laser energy from 31 to 57 J/mm³, the fabricated...

... Surface roughness Laminar flow Flow resistance Laser powder bed fusion Federal Economic Development Agency for Southern Ontario (FedDev Ontario) under the Waterloo Institute for Sustainable Aeronautics (WISA) FedDev Ontario grant 814654 The authors gratefully acknowledge Sagar...

... manufacturing. Corresponding author Iván La Fé-Perdomo ivan.lafe@pucv.cl 10 08 2025 15 10 2025 08 01 2026 © 2026 Emerald Publishing Limited 2026 Emerald Publishing Limited Licensed re-use rights only Relative density Laser powder bed fusion Printing parameters Machine...

...Marichamy M; Chockalingam K; Arunachalam N; Velkannan V Purpose The application of laser powder bed fusion ( LPBF ) for manufacturing Ti-6Al-4V biomedical implants requires a precise understanding of how specific process parameters affect the material’s corrosion resistance. This study aims...

... 07 2025 14 10 2025 20 11 2025 © 2025 Emerald Publishing Limited 2025 Emerald Publishing Limited Licensed re-use rights only Laser powder bed fusion In situ processing monitoring Multiview learning Recurrent neural network A challenge with laser powder bed fusion...

...Lalitha Radhakrishnan; Arumaikkannu Ganesan Purpose The Laser Powder-Bed Fusion (L-PBF) process has shown growing potential in fabricating high-quality patterns for casting. This study aims to optimize L-PBF process parameters for Polystyrene (PS200) to enhance dimensional accuracy and Ultimate...

... (Fashu et al., 2020), reactive nature at high temperatures (Dai et al., 2016) and limited machinability (Veiga et al., 2013). These challenges can be addressed with laser powder bed fusion (LPBF), which is considered an innovative manufacturing method and one of the additive...

...Zhiwen Wang; Hongli Fan; Jun Zhang; Rihong Han; Haibo Qi Purpose This study aims to develop a high-fidelity discrete element method–finite element method (DEM-FEM) model for the laser powder bed fusion process, successfully enabling the fabrication of AlSi10Mg samples with outstanding mechanical...

... optimisation method using a hybrid continuum-beam finite element model to improve energy absorption in metal lattice structures. Impact testing occurs on laser powder bed fusion (PBF-LB) fabricated aluminium alloy (AlSi10Mg) lattices specimens to validate the approach. Findings The study provides both...

...Minhalina Ahmad Buhairi; Farhana Mohd Foudzi; Fathin Iliana Jamhari; Abu Bakar Sulong; Norhamidi Muhamad; Nabilah Afiqah Mohd Radzuan; Intan Fadhlina Mohamed; Izhar Abd Aziz Purpose This research aims to develop a processing window for manufacturing Ti6Al4V using laser powder bed fusion (LPBF...

...Yao Wang; Shouzhen Zhou; Yajun Wang; Xiaona Ren; Xinggang Li; Fengyu Lv; Weifeng Qi; Wenchang Wang; Wenxing Huo; Zhipei Chen; Changchun Ge Purpose Most research on Laser powder bed fusion (L- PBF ) has focused on using virgin metal powders. Meanwhile, the microstructure and mechanical properties...

... the hypothesis that AM is a viable choice, a set of samples was produced using the laser powder bed fusion (L-PBF) technique. These samples were analyzed to study the part’s characteristics and undergo quality control inspection to verify their applicability. In this paper, metal AM is proposed as a suitable...

...Sean D. Dobson; Ashley E. Paz y Puente Purpose Laser powder bed fusion additive manufacturing constructs layered parts, with each layer consisting of a series of laser tracks. Track and layer surface roughness are primarily governed by laser parameters, which also control the formation of other...

...Lalitha Radhakrishnan; Arumaikkannu Ganesan; Prithvirajan Rajendran; Sudhakar Gingadey Purpose The laser powder bed fusion (L-PBF) process has gained increasing interest in investment casting (IC) due to its suitability for small-batch production. This study aims to optimize L-PBF process...

...Yong Rong Chan; Sankaranarayanan Seetharaman; Jerry Y.H. Fuh; Heow Pueh Lee Purpose This study aims to assess the feasibility of laser powder bed fusion (LPBF) processing using as-received gas-atomized spherical Neodymium-Iron-Boron (NdFeB) powder (17–68 µm), compared to literature methods...

...Sunghyun Sung; Yeonghwan Song; Wonrae Kim; Ohyung Kwon; Kyung-Young Jhang Purpose This study aims to investigate the relationship between melt pool dimensions and acoustic emission (AE) signal magnitudes obtained during laser powder bed fusion (L-PBF) process of austenitic stainless steel...

... was fabricated with three fundamentally different metal additive processes, laser-directed energy deposition (L-DED), laser powder bed fusion (L-PBF) and metal extrusion (MEX). These resulting parts were then analysed, thereby allowing common defects and limitations of each process to be identified, namely...