Results 91 to 100 of about 27,635 (206)

Design and development of multi-nozzle extrusion system for 3D printer [PDF]

open access: yes, 2014
The main purpose of the project is the design, development and application of an extruder with five nozzles for fused filament fabrication (FFF) type 3D printers. The extruder should be able to use five different colors or materials, thus expanding the
Abilgaziyev, A.   +4 more
core   +1 more source

Towards Fully Additively-Manufactured Permanent Magnet Synchronous Machines: Opportunities and Challenges [PDF]

open access: yes, 2019
With the growing interest in electrification and as hybrid and pure electric powertrains are adopted in more applications, electrical machine design is facing challenges in terms of meeting very demanding performance metrics for example high specific ...
EL-Refaie, Ayman M., Wu, Fan
core   +1 more source

FFF print defect characterization through in-situ electrical resistance monitoring

open access: yesScientific Reports
Fused filament fabrication is a popular fabrication technique. Currently there is a need for in-situ monitoring modalities to gather real-time information on prints, both for quality control and closed-loop control.
Heime Jonkers   +3 more
doaj   +1 more source

ISM In-Space Manufacturing [PDF]

open access: yes
Develop and enable the technologies, materials, and processes required to provide affordable, sustainable on-demand manufacturing, recycling, and repair during Exploration ...
Edmunson, Jennifer E.   +5 more
core   +1 more source

Thermoplastic magnetic elastomer for fused filament fabrication

open access: yesAIMS Materials Science, 2019
Magnetorheological elastomers (MREs) are unique smart materials of high elasticity and magnetic susceptibility. MREs are prominent for the high degree of mechanical deformation or changes in stiffness that can be induced by applying magnetic fields. While most MREs are made with thermoset elastomers, this research focuses on the development and testing
Andrew H. Morgenstern   +5 more
openaire   +2 more sources

New perspectives on intra-layer reheating in fused filament fabrication

open access: yesResults in Engineering
In fused filament fabrication, part cooling is commonly described as an initial and boundary value problem of heat conduction in an evolving geometry, where the nozzle defines the initial condition of polymer strand segments with a nominal temperature ...
Jie Zhang
doaj   +1 more source

A novel filament design for improving fused filament fabrication of continuous fiber composites

open access: yesJournal of Materials Research and Technology
Fused filament fabrication (FFF) of polymer composites with continuous fibers could enable the manufacture of complex structures with exceptionally high specific strength and stiffness.
M. Parker   +3 more
doaj   +1 more source

A novel process for tailored stiffness and strength in extrusion based additive manufacturing [PDF]

open access: yes, 2017
Extrusion based additive manufacturing (AM) techniques have gained interest and were continuously developed during the last quarter-century. However, the currently integrated processes have their limitations in different aspects.
Cardon, Ludwig   +2 more
core   +1 more source

Accelerating 3D printing for surface wettability research [PDF]

open access: yes, 2016
The wettability of a surface is affected by its physical and chemical properties, but it can be modulated by patterning it. Researchers use many different techniques for surface patterning, each one with different trade-offs in terms of cost, flexibility,
De Coninck, Joël   +1 more
core  

Peluang kerjaya lepasan politeknik bidang elektronik dan elektrik di sektor perindustrian elektronik di Daerah Batu Pahat [PDF]

open access: yes, 2002
Projek Sarjana ini bertajuk "Pe/uang keljaya /epasan politekni(bidang e/eklronik dan e/eklrik di seklorperinduslrian eleklronik di daerall Balu Pallal ".
Ibrahim, Shuhaila
core  

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