A Review on Laser Beam Shaping Application in Laser‐Powder Bed Fusion

AR Bakhtari, HK Sezer, OE Canyurt… - Advanced …, 2024 - Wiley Online Library
Laser‐powder bed fusion (L‐PBF) is extensively adopted in the aerospace and automobile
industries for producing metallic components. The L‐PBF process involves rapid melting …

A Review of In Situ Defect Detection and Monitoring Technologies in Selective Laser Melting

X Peng, L Kong, H An, G Dong - 3D printing and additive …, 2023 - liebertpub.com
The additive manufacturing (AM) technique has received considerable industrial attention,
as it is capable of producing complex functional parts in the aerospace and defense …

On productivity of laser additive manufacturing

AV Gusarov, SN Grigoriev, MA Volosova… - Journal of Materials …, 2018 - Elsevier
One of the most perspective methods of additive manufacturing is selective laser melting. It
allows producing the parts directly from 3D-model to 3D-object from metallic powders and …

Beam shaping in laser powder bed fusion: Péclet number and dynamic simulation

SN Grigoriev, AV Gusarov, AS Metel, TV Tarasova… - Metals, 2022 - mdpi.com
A uniform distribution of power density (energy flux) in a stationary laser beam leads to a
decrease in the overheating of the material in the center of the laser beam spot during laser …

High deposition rate approach of selective laser melting through defocused single bead experiments and thermal finite element analysis for Ti-6Al-4V

E Soylemez - Additive Manufacturing, 2020 - Elsevier
Selective laser melting (SLM) is a commonly used powder bed fusion metal additive
manufacturing (AM) process. Although SLM is preferred due to its near-net-shape part …

Development of a multi-sensor system for defects detection in additive manufacturing

X Peng, L Kong - Optics Express, 2022 - opg.optica.org
Defects detection technology is essential for monitoring and hence maintaining the product
quality of additive manufacturing (AM) processes; however, traditional detection methods …

On defect minimization caused by oxide phase formation in laser powder bed fusion

AA Okunkova, SR Shekhtman, AS Metel, NA Suhova… - Metals, 2022 - mdpi.com
The article is devoted to the compressive review of the defects observed in the products of
the machinery usage made mainly of anti-corrosion steels of the martensite-austenite group …

Multi-sensor image fusion method for defect detection in powder bed fusion

X Peng, L Kong, W Han, S Wang - Sensors, 2022 - mdpi.com
Multi-sensor defect detection technology is a research hotspot for monitoring the powder
bed fusion (PBF) processes, of which the quality of the captured defect images and the …

Detection and Characterization of Defects in Additive Manufacturing by Polarization-Based Imaging System

X Peng, L Kong - Chinese Journal of Mechanical Engineering, 2023 - Springer
Additive manufacturing (AM) technology such as selective laser melting (SLM) often
produces a high reflection phenomenon that makes defect detection and information …

The setup design for selective laser sintering of high-temperature polymer materials with the alignment control system of layer deposition

A Nazarov, I Skornyakov, I Shishkovsky - Machines, 2018 - mdpi.com
This paper presents the design of an additive setup for the selective laser sintering (SLS) of
high-temperature polymeric materials, which is distinguished by an original control system …