[HTML][HTML] Metal vaporization and its influence during laser powder bed fusion process
Laser powder bed fusion (LPBF) is a key metal additive manufacturing process and has
attracted increasing attention both in academia and industry. An essential physical issue …
attracted increasing attention both in academia and industry. An essential physical issue …
A review of spatter in laser powder bed fusion additive manufacturing: In situ detection, generation, effects, and countermeasures
Spatter is an inherent, unpreventable, and undesired phenomenon in laser powder bed
fusion (L-PBF) additive manufacturing. Spatter behavior has an intrinsic correlation with the …
fusion (L-PBF) additive manufacturing. Spatter behavior has an intrinsic correlation with the …
[PDF][PDF] 激光粉末床熔融成形内部质量缺陷及其调控方法
宋长辉， 付厚雄， 严仲伟， 曾永杰， 周瀚翔… - Chinese Journal of …, 2022 - researching.cn
摘要激光粉末床熔融(LaserPowderBedFusion, LPBF) 成形工艺的特殊性决定其在生产过程中
存在巨大的温度梯度, 剧烈的物相变化以及极不稳定的熔池, 易使零件产生内部质量缺陷 …
存在巨大的温度梯度, 剧烈的物相变化以及极不稳定的熔池, 易使零件产生内部质量缺陷 …
[HTML][HTML] Effects of gas flow parameters on droplet spatter features and dynamics during large-scale laser powder bed fusion
Z Liu, Y Yang, C Han, H Zhou, M Wang, L Liu, H Wang… - Materials & Design, 2023 - Elsevier
The droplet spatters generated by the laser induction directly affect the processing quality of
the laser powder bed fusion (LPBF) process, gas parameters are a key factor in this process …
the laser powder bed fusion (LPBF) process, gas parameters are a key factor in this process …
A Systematic Literature Review on Artificial Intelligence and Explainable Artificial Intelligence for Visual Quality Assurance in Manufacturing
R Hoffmann, C Reich - Electronics, 2023 - mdpi.com
Quality assurance (QA) plays a crucial role in manufacturing to ensure that products meet
their specifications. However, manual QA processes are costly and time-consuming, thereby …
their specifications. However, manual QA processes are costly and time-consuming, thereby …
Effect of axial static magnetic field on microstructure evolution, performance, and melt pool signals of AlSi10Mg fabricated by laser powder bed fusion
H Zhou, C Song, Y Yang, D Wang, Z Liu, Y Xiao… - Optics & Laser …, 2023 - Elsevier
Static magnetic field (SMF) assisted laser powder bed fusion (LPBF) has significant potential
to improve the mechanical properties of AlSi10Mg parts. In this study, the tensile properties …
to improve the mechanical properties of AlSi10Mg parts. In this study, the tensile properties …
[HTML][HTML] Prediction of powder bed thickness by spatter detection from coaxial optical images in selective laser melting of 316L stainless steel
The uniformity of a recoated powder layer affects the performance of parts manufactured by
SLM directly, while it is related to the characteristics of spatters. The small spatter moves …
SLM directly, while it is related to the characteristics of spatters. The small spatter moves …
[HTML][HTML] Frontiers in Laser Additive Manufacturing Technology
Y Yang, R Jiang, C Han, J Chen, H Li, Y Wang… - Additive Manufacturing …, 2024 - Elsevier
Laser additive manufacturing (LAM) technology can overcome the limitations of
conventional manufacturing and facilitate the integrated design and production of …
conventional manufacturing and facilitate the integrated design and production of …
[HTML][HTML] Computational analysis and experiments of spatter transport in a laser powder bed fusion machine
This work focuses on how spatter particles are transported within a laser powder bed fusion
(L-PBF) machine. The machine's gas flow rate and salient flow features are studied with a …
(L-PBF) machine. The machine's gas flow rate and salient flow features are studied with a …
基于机器视觉的高功率激光焊接过程飞溅监测方法与飞溅特征研究
蔡旺， 蒋平， 舒乐时， 耿韶宁， 周奇… - Chinese Journal of …, 2023 - opticsjournal.net
摘要飞溅是不锈钢高功率激光焊接中的严重缺陷之一, 会导致焊缝尺寸不合格和焊板污染,
影响构件服役性能. 飞溅的快速, 准确监测是保证焊接质量的基础. 提出了一种基于机器视觉的 …
影响构件服役性能. 飞溅的快速, 准确监测是保证焊接质量的基础. 提出了一种基于机器视觉的 …