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 …

Artificial neural network algorithms for 3D printing

MA Mahmood, AI Visan, C Ristoscu, IN Mihailescu - Materials, 2020 - mdpi.com
Additive manufacturing with an emphasis on 3D printing has recently become popular due
to its exceptional advantages over conventional manufacturing processes. However, 3D …

A state-of-the-art digital factory integrating digital twin for laser additive and subtractive manufacturing processes

U Tariq, R Joy, SH Wu, MA Mahmood… - Rapid Prototyping …, 2023 - emerald.com
Purpose This study aims to discuss the state-of-the-art digital factory (DF) development
combining digital twins (DTs), sensing devices, laser additive manufacturing (LAM) and …

[HTML][HTML] On the laser additive manufacturing of high-entropy alloys: a critical assessment of in-situ monitoring techniques and their suitability

MA Mahmood, FG Alabtah, Y Al-Hamidi, M Khraisheh - Materials & Design, 2023 - Elsevier
High-entropy alloys (HEAs) have gained increasing attention from the industrial and
scientific communities due to their extraordinary thermo-physical properties. Introducing the …

[HTML][HTML] Laser coatings via state-of-the-art additive manufacturing: A review

MA Mahmood, A Bănică, C Ristoscu, N Becherescu… - Coatings, 2021 - mdpi.com
Ceramics and ceramic-reinforced metal matrix composites (CMMCs) demonstrate high wear
resistance, excellent chemical inertness, and exceptional properties at elevated …

Spatter formation and splashing induced defects in laser-based powder bed fusion of AlSi10Mg alloy: a novel hydrodynamics modelling with empirical testing

A Ur Rehman, MA Mahmood, P Ansari, F Pitir… - Metals, 2021 - mdpi.com
Powder spattering and splashing in the melt pool are common phenomena during Laser-
based Powder Bed Fusion (LPBF) of metallic materials having high fluidity. For this purpose …

Multi-physics field coupling and microstructure numerical simulation of laser cladding for engine crankshaft based on CA-FE method and experimental study

L Wang, D Zhang, C Chen, H Fu, X Sun - Surface and Coatings Technology, 2022 - Elsevier
During engine operation, the crankshaft journals are prone to wear, resulting in a decrease
in surface matching accuracy and abnormal vibration and noise. Therefore, it is important to …

3D printing in drug delivery and biomedical applications: a state-of-the-art review

MA Mahmood - Compounds, 2021 - mdpi.com
Personalized medicines are gaining popularity day by day as they empower patient
genomics and assist in improved drug design with minimum side effects. Various dosages …

Online detection of powder spatters in the additive manufacturing process

Z Wu, Z Xu, W Fan - Measurement, 2022 - Elsevier
With high power or high brightness laser as a heat source, metal additive manufacturing
technology has developed rapidly in recent years. Although this technology is promising in …

Keyhole formation by laser drilling in laser powder bed fusion of Ti6Al4V biomedical alloy: Mesoscopic computational fluid dynamics simulation versus mathematical …

A Ur Rehman, MA Mahmood, F Pitir, MU Salamci… - Nanomaterials, 2021 - mdpi.com
In the laser powder bed fusion (LPBF) process, the operating conditions are essential in
determining laser-induced keyhole regimes based on the thermal distribution. These …