Melt Pool characteristics on surface roughness and printability of 316L stainless steel in laser powder bed fusion

T Zhang, L Yuan - Rapid Prototy** Journal, 2024‏ - emerald.com
Purpose Surface quality and porosity significantly influence the structural and functional
properties of the final product. This study aims to establish and explain the underlying …

Metal Laser-Based Powder Bed Fusion Process Development Using Optical Tomography

R Björkstrand, J Akmal, M Salmi - Materials, 2024‏ - mdpi.com
In this study, a set of 316 L stainless steel test specimens was additively manufactured by
laser-based Powder Bed Fusion. The process parameters were varied for each specimen in …

Copper-graphene nanocomposite fabrication through LP-DED process: Powder preparation, characterization and printability studies

S Sharma, RS Thanumoorthy, S Bontha… - Journal of Manufacturing …, 2024‏ - Elsevier
Copper and its alloys play a crucial role in various engineering applications due to their
excellent conductive properties. However, their poor laser absorptivity and high conductivity …

Insights on grain refinement of Al-Mn-Fe-Si alloy via in situ reaction during laser directed energy deposition

Q Pan, F Zhang, DV Pillai, Z Zhang, Y Zheng… - Journal of Alloys and …, 2025‏ - Elsevier
In the present work, we studied the grain refinement by adding in situ reactants, pure
titanium (Ti) or a combination of Ti and boron (B), and investigated the governing …

Investigations on the Heat Balance of the Melt Pool during PBF-LB/M under Various Process Gases.

S Baehr, F Fritz, S Adami, T Ammann… - Metals (2075 …, 2024‏ - search.ebscohost.com
During the powder bed fusion of metals using a laser beam (PBF-LB/M), an inert
atmosphere is maintained in the build chamber to avoid reactions of the liquid metal with …

[HTML][HTML] Investigation of microstructures produced by metal additive manufacturing using 3D cellular automata finite element modeling

C McElfresh, J Marian - Journal of Materials Research and Technology, 2025‏ - Elsevier
Laser-powder bed fusion additive manufacturing (LPBF-AM) of metals is rapidly becoming
one of the most important materials processing techniques for advanced structural materials …

Evolution of microstructures in laser additive manufactured HT-9 ferritic martensitic steel

M Radhakrishnan, S Sharma, S Palaniappan… - Materials …, 2024‏ - Elsevier
A comparative study to understand the influence of processing conditions on the
microstructural and phase evolution in HT9 ferritic/martensitic (F/M) steels, fabricated using …

A comprehensive study of LPBF parameter influence in 316L stainless steel mechanical properties, macrostructure, and printability

P Lopes, F Zafar, C Costa, J Castro… - Proceedings of the …, 2024‏ - journals.sagepub.com
Additive manufacturing, particularly using Laser Powder Bed Fusion (LPBF) technologies
with 316L stainless steel, has proven highly promising in biomedical engineering due to the …

[HTML][HTML] Effect of Post-Heat Treatment on the Mechanical and Residual Stress Behavior of Pulsed Wave S316L Fabricated by Directed Energy Deposition

Z Yan, J Guo, X Zou - Sensors (Basel, Switzerland), 2024‏ - pmc.ncbi.nlm.nih.gov
The influence of annealing at various temperatures on the phase stability and microstructure
of pulsed-wave laser mode (PW) 316L stainless steel fabricated via Directed Energy …

[PDF][PDF] The effect of beam pulsing on laser beam processing of Ti-6Al-4V using a prototype laser additive manufacturing platform

EV Ayrookuzhy - 2024‏ - open.library.ubc.ca
Recent advancements in additive manufacturing have highlighted the limitations of
conventional beam motion techniques in manipulating cooling rates and melt pool …