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Analytical and numerical modelling of laser powder bed fusion (L-PBF) of polymers – a review of the key areas of focus of the process [PDF]

open access: yesMATEC Web of Conferences, 2022
The uptake of laser powder bed fusion for polymers has remained limited mainly because the interaction between material properties and process parameters is not well understood. The constraints of experimentally determining the optimal process parameters
Mulinge Mwania Fredrick   +2 more
doaj   +1 more source

Progress in laser powder bed fusion of pure copper/copper alloy highly reflective metal materials

open access: yesCailiao gongcheng, 2022
Pure copper/copper alloy has excellent thermal and electrical conductivity, which is an important industrial material. Laser powder bed fusion, which represents the laser additive manufacturing technology, has excellent design freedom and forming ...
ZHU Yongqiang   +5 more
doaj   +1 more source

Research progress in multi-material laser-powder bed fusion additive manufacturing: A review of the state-of-the-art techniques for depositing multiple powders with spatial selectivity in a single layer

open access: yesResults in Engineering, 2022
Additive manufacturing offers great potential and versatility for manufacturing high-quality and geometrically complex components. Multi-material laser-powder bed fusion is an emerging additive manufacturing approach where multiple materials are combined
Andre Mussatto
doaj   +1 more source

Physics-Based Predictive Model of Lack-of-Fusion Porosity in Laser Powder Bed Fusion Considering Cap Area

open access: yesCrystals, 2021
This work proposed a computationally efficient analytical modeling strategy to calculate the product porosity in laser powder bed fusion (LPBF) induced by a lack-of-fusion defect, with the consideration of cap area in solidified molten pools, influence ...
Wenjia Wang, Steven Y. Liang
doaj   +1 more source

Data related to architectural bone parameters and the relationship to Ti lattice design for powder bed fusion additive manufacturing

open access: yesData in Brief, 2021
The data included in this article provides additional supporting information on our publication (McGregor et al. [1]) on the review of the natural lattice architecture in human bone and its implication towards titanium (Ti) lattice design for laser ...
Martine McGregor   +3 more
doaj   +1 more source

Aging mechanism of polyetheretherketone powder during layer-wise infrared radiation of high-temperature laser powder bed fusion

open access: yesMaterials & Design, 2022
Variations of the properties of virgin and recycled powders are still important challenges in high-temperature laser powder bed fusion, which directly affect the processing parameters and the ultimate quality of the product.
Peng Chen   +10 more
doaj   +1 more source

Influence of satellite and agglomeration of powder on the processability of AlSi10Mg powder in Laser Powder Bed Fusion

open access: yesJournal of Materials Research and Technology, 2021
Laser powder bed fusion (LPBF) is a powder-based Additive Manufacturing (AM) technology, where the quality control of powder feedstock is critical as the particle packing on the powder bed and laser–particle interaction during laser melting influence the
Fuzhong Chu   +10 more
doaj   +1 more source

Effect of atmospheric-controlled induction-heating fine particle peening on wear resistance and fatigue properties of maraging steel fabricated by laser powder-bed fusion

open access: yesJournal of Materials Research and Technology, 2022
Maraging steel components fabricated by laser powder-bed fusion, which is a technique of additive manufacturing, are expected to be used widely because of their high strength, hardness and toughness.
Shogo Takesue   +5 more
doaj   +1 more source

Strengthening control in laser powder bed fusion of austenitic stainless steels via grain boundary engineering

open access: yesMaterials & Design, 2021
A new approach to modelling the microstructure evolution and yield strength in laser powder bed fusion components is introduced. Restoration mechanisms such as discontinuous dynamic recrystallization, continuous dynamic recrystallization, and dynamic ...
Hossein Eskandari Sabzi   +5 more
doaj   +1 more source

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