Role of porosity defects in metal 3D printing: Formation mechanisms, impacts on properties and mitigation strategies
Abstract Metal 3D printing (3DP), a state-of-the-art manufacturing technology that brings the
potential to fabricate complex structures at low cost and reduced energy consumption, has …
potential to fabricate complex structures at low cost and reduced energy consumption, has …
[HTML][HTML] 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 …
Predictive process mapping for laser powder bed fusion: A review of existing analytical solutions
One of the main challenges in the laser powder bed fusion (LPBF) process is making dense
and defect-free components. These porosity defects are dependent upon the melt pool …
and defect-free components. These porosity defects are dependent upon the melt pool …
A comprehensive model to quantify the effects of additional nano-particles on the printability in laser powder bed fusion of aluminum alloy and composite
L Guo, H Wang, Q Wei, H Liu, A Wang, Y Wu… - Additive …, 2022 - Elsevier
At present, it is recognized that nanoparticles can improve the printability of many metals in
fusion additive manufacturing, obtain finer microstructures and higher mechanical …
fusion additive manufacturing, obtain finer microstructures and higher mechanical …
Self-healing of multipartite entanglement in optical quantum networks
Multipartite entanglement serves as an essential resource for constructing quantum
networks and makes it possible to realize multi-user quantum information protocols …
networks and makes it possible to realize multi-user quantum information protocols …
Defect, microstructure and mechanical properties of Mg–Gd binary alloy additively manufactured by selective laser melting
X Yuan, M Liu, K Wei, F Li, X Li, X Zeng - Materials Science and …, 2022 - Elsevier
The high-performance rare earth magnesium alloys such as Mg–Gd based alloys are
becoming the research focus of Mg industry. In this paper, a series of Mg-xGd (x= 3, 6, 10 …
becoming the research focus of Mg industry. In this paper, a series of Mg-xGd (x= 3, 6, 10 …
[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 …
Preparation of oral solid dosage forms based on homogenized spot melting technique
S Wei, L Shen, X Xu, W Shan, Y Yang - International Journal of …, 2022 - Elsevier
Given the benefits of high printing precision and capability, the selective laser sintering
technique has been used to manufacture medicines and implants with unique engineering …
technique has been used to manufacture medicines and implants with unique engineering …
Metal Additive Manufacturing using complex beam shaping
Large thermal gradients, complex melt pool instabilities and poor absorptivity are application-
limiting detriments in laser powder bed fusion-enabled metal additive manufacturing (AM) …
limiting detriments in laser powder bed fusion-enabled metal additive manufacturing (AM) …
[HTML][HTML] Numerical Simulation of Temperature Field and Melt Pool Characteristics of CP-Ti Manufactured by Laser Powder Bed Fusion
K Guo, Y Ji, Y Li, X Kang, H Bai, H Ren - Metals, 2022 - mdpi.com
A coupled heat source model that combined a Gauss surface heat source with a Gauss
cylindrical volumetric heat source was introduced to simulate temperature field distribution …
cylindrical volumetric heat source was introduced to simulate temperature field distribution …