Results 101 to 110 of about 41,442 (219)

Laser Alloying Advantages by Dry Coating Metallic Powder Mixtures with SiOx Nanoparticles

open access: yesNanomaterials, 2018
Up to now, minimizing segregation of free-flowing, microscale metal powder mixtures driven by different mass density is an open challenge. In this work, effects of particle size variation on homogeneity of Al-Cu mixtures, with a density ratio of 3.3, are
Michael C. H. Karg   +8 more
doaj   +1 more source

Fabrication of microfluidic devices by 3D printing: technology, materials, applications and prospects

open access: yesResults in Engineering
Microfluidic devices have emerged as a cornerstone of chemical process intensification, owing to their exceptional mass and heat transfer efficiencies, precise fluid manipulation, and inherent safety.
Jinhao Zheng   +3 more
doaj   +1 more source

Surface hardening of ductile austenitic lightweight steel through powder bed fusion 3D printing

open access: yesJournal of Materials Research and Technology
To save energy and reduce CO2 emissions, the lightweight design of structural components has recently become a global issue. Fe–Mn–Al–C based alloys with a low mass density have received considerable attention as structural materials enabling such lightweight designs.
Joonoh Moon   +10 more
openaire   +2 more sources

Analysis of Selective Laser Sintering print parameter modelling methodologies for energy input minimisation : a thesis presented in partial fulfilment of the requirements for the degree of Master of Engineering in Mechatronics at Massey University, Albany, New Zealand [PDF]

open access: yes, 2017
Additive Manufacturing (AM) is the name given to a series of processes used to create solids, layer upon layer, from 3 Dimensional (3D) models. As AM experiences rapid growth there exists an opportunity for Selective Laser Sintering (SLS) to expand ...
Mearns, Cameron D H
core  

Self-organizing post process for two color powder bed 3D printing of preceramic polymer

open access: yes, 2022
Die Additive Fertigung zieht aufgrund ihrer potenziellen Fähigkeit, sowohl komplizierte geometrische Strukturen als auch eine hierarchische Materialzusammensetzung maßzuschneidern, große Aufmerksamkeit auf sich. Das schichtbasierte Akkumulationsprinzip führt jedoch auch zu einem "Treppeneffekt" an den Außen- und Innenflächen der gedruckten ...
openaire   +2 more sources

Calibration and Measurement Study on Density of Selective Laser Sintered 3D Printing Powder Bed

open access: yesJournal of Physics: Conference Series, 2019
Abstract The commonly used method for measuring the density of a selective laser sintered powder bed is to extract a certain volume of powder bed powder, measure the mass of the powder, and then calculate the density of the powder bed using the mass formula.
Jianqiang Li   +3 more
openaire   +1 more source

The effect of mechanical properties on polymer deformation and flow suspension in the Selective Laser Sintering process

open access: yesInternational Journal of Applied Mechanics and Engineering
Among the various additive manufacturing processes, there is selective laser sintering, with the use of a high-power laser that sinters the small particles of polymer powder and turn them into a solid structure, from a 3D model, nowadays SLS additive ...
Rihab Rihab Belgada
doaj   +1 more source

On the orthotropic elasto-plastic material response of additively manufactured polyamide 12 [PDF]

open access: yes, 2016
The mechanical response of polymers such as polyamide 12 (PA-12) manufactured through additive manufac-turing, is significantly affected by the layered manufacturing approach and the printer settings used during the creation of the parts.
De Baere, Ives   +2 more
core  

ADDITIVE MANUFACTURING POWDER BEHAVIOR DETERMINATION BY MECHANICAL IMPACT [PDF]

open access: yes, 2020
A free-falling inverted pendulum impacting against a bed of powder determines material properties of the powder for use in a 3D printing ...
INC, HP
core   +1 more source

Powder bed binder jet 3D printing of Inconel 718: Densification, microstructural evolution and challenges☆

open access: yesCurrent Opinion in Solid State and Materials Science, 2017
Abstract Traditional manufacturing of Inconel 718 components from castings and thermomechanical processing routes involve extensive post processing and machining to attain the desired geometry. Additive manufacturing (AM) technologies including direct energy deposition (DED), selective laser melting (SLM), electron beam melting (EBM) and binder jet ...
Peeyush Nandwana   +5 more
openaire   +2 more sources

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