Preliminary investigation into metal-material extrusion
Sign Up to like & getrecommendations! Published in 2020 at "Progress in Additive Manufacturing"
DOI: 10.1007/s40964-020-00151-5
Abstract: Additive manufacturing (AM) technologies provide a method of fabrication that minimizes the production of waste and maximizes part customization. The most common form of this technology is material extrusion (ME) in which material is deposited… read more here.
Keywords: metal; investigation metal; preliminary investigation; material extrusion ... See more keywords
Influences of post-processing treatments on mechanical properties and beta-phase content in material extrusion additively manufactured polyvinylidene fluoride structures
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DOI: 10.1007/s40964-021-00212-3
Abstract: Three-dimensional (3D) printing of polymer smart materials offers great potential in terms of design of applications either requiring inherent electromechanical sensing or vibration-based energy production capabilities. Currently, the piezoelectric response of homopolymer 3D printed polyvinylidene… read more here.
Keywords: pvdf; post; material extrusion; beta phase ... See more keywords
Closed loop control of slippage during filament transport in molten material extrusion
Sign Up to like & getrecommendations! Published in 2017 at "Additive manufacturing"
DOI: 10.1016/j.addma.2016.12.005
Abstract: Abstract In the quest to achieve functional 3D printed parts with open source machines and tools it is required to study all the error sources. Flow control is a major contributor to accuracy of parts… read more here.
Keywords: control; slippage; loop control; material extrusion ... See more keywords
Mechanical strength of welding zones produced by material extrusion additive manufacturing.
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DOI: 10.1016/j.addma.2017.06.006
Abstract: As more manufacturing processes and research institutions adopt customized manufacturing as a key element in their design strategies and finished products, the resulting mechanical properties of parts produced through additive manufacturing (AM) must be characterized… read more here.
Keywords: strength; manufacturing; additive manufacturing; material extrusion ... See more keywords
Experimental validation of a numerical model for the strand shape in material extrusion additive manufacturing
Sign Up to like & getrecommendations! Published in 2018 at "Additive Manufacturing"
DOI: 10.1016/j.addma.2018.09.022
Abstract: Abstract We investigate experimentally and numerically the influence of the processing conditions on the cross-section of a strand printed by material extrusion additive manufacturing. The parts manufactured by this method generally suffer from a poor… read more here.
Keywords: extrusion additive; shape; strand; model ... See more keywords
Highly loaded fiber filled polymers for material extrusion: A review of current understanding
Sign Up to like & getrecommendations! Published in 2019 at "Additive manufacturing"
DOI: 10.1016/j.addma.2019.100810
Abstract: Abstract This review documents the current state of the art of highly filled (HF) polymer composite systems used in additive manufacturing (AM), with a core focus on short and continuous fiber filled composites for use… read more here.
Keywords: matex; fiber filled; review; material extrusion ... See more keywords
Development of a combined analytical and experimental approach for the determination of the cohesive strength between material extrusion layers using the true area of contact
Sign Up to like & getrecommendations! Published in 2019 at "Additive manufacturing"
DOI: 10.1016/j.addma.2019.100832
Abstract: Abstract Material Extrusion (ME) is a type of Additive Manufacturing (AM) process that creates parts by depositing polymer filaments in successive layers. The strength of ME products depends on both the cohesive strength between layers… read more here.
Keywords: using true; layers using; cohesive strength; material extrusion ... See more keywords
Heating and flow computations of an amorphous polymer in the liquefier of a material extrusion 3D printer
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DOI: 10.1016/j.addma.2019.101001
Abstract: Abstract The heating of a polymer in a liquefier of a material extrusion 3D printer is numerically studied. The problem is investigated by solving the mass, momentum, and energy conservation equations. The polymer is taken… read more here.
Keywords: polymer liquefier; polymer; extrusion printer; liquefier material ... See more keywords
Stability and deformations of deposited layers in material extrusion additive manufacturing
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DOI: 10.1016/j.addma.2021.102193
Abstract: Abstract This paper presents computational fluid dynamics simulations of the deposition flow during printing of multiple layers in material extrusion additive manufacturing. The developed model predicts the morphology of the deposited layers and captures the… read more here.
Keywords: extrusion; deposited layers; material extrusion; additive manufacturing ... See more keywords
Effect of material extrusion process parameters on filament geometry and inter-filament voids in as-fabricated high solids loaded polymer composites
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DOI: 10.1016/j.addma.2021.102313
Abstract: Abstract Fully dense structures of high solids loaded polymer composites printed via material extrusion additive manufacturing are of interest across many applications, including biomedical scaffolds and energetic materials. It is common to observe defects such… read more here.
Keywords: high solids; solids loaded; geometry; process parameters ... See more keywords
Continuous rheological description of highly filled polymer melts for material extrusion
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DOI: 10.1016/j.apmt.2020.100754
Abstract: Abstract In additive manufacturing based on the material extrusion of filled polymer melts, a correct description of the rheological behaviour of the processed material is an important requirement. In case of highly filled feedstocks, complexities… read more here.
Keywords: highly filled; polymer melts; polymer; description ... See more keywords