Concept

Fused filament fabrication

Related publications (239)

Integrated Backward Second-Harmonic Generation through Optically Induced Quasi-Phase-Matching

Camille Sophie Brès, Jianqi Hu, Ozan Yakar, Edgars Nitiss

Quasi-phase-matching for efficient backward second-harmonic generation requires sub-μm poling periods, a nontrivial fabrication feat. For the first time, we report integrated first-order quasiphase-matched backward second-harmonic generation enabled by see ...

2023

Developing Melt Electrowriting on an Open-Source Fused Filament Fabrication Platform

Taavet Kangur

Melt electrowriting (MEW) is an additive manufacturing technology where a fiber is deposited in a precise way with the help of an electric field to build micrometric designs for tissue engineering and regenerative medicine (TERM). The commercially availabl ...

2022

Recycling of Bottle Grade PET: Influence of HDPE Contamination on the Microstructure and Mechanical Performance of 3D Printed Parts

Véronique Michaud, Yves Leterrier, Adrien Julien Demongeot

As part of a project that aims to provide people with disabilities with simple assistive devices in Colombia, the possibility of creating a PET filament that can be printed by Fused Deposition Modelling (FDM) from beverage bottle waste was investigated, wi ...

MDPI2022

3D printing of elastomeric mechanical sensors designed for human motion monitoring

Ryan Mitchell van Dommelen

In this thesis several advances are made to the emerging field of 3D printed mechanical sensors. Techniques and processes were developed to enable the integration of highly conductive, and capacitive and piezoresistive sensing features embedded within 3D p ...

EPFL2022

Self-Assembled Dewetting as a Fabrication Platform for Photonics Applications

Fabien Sorin, Pierre-Luc Eloi Piveteau, William Nicolas Duncan Esposito, Louis Marie Philippe Martin-Monier, Bastien Schyrr

A novel fabrication method based on controlled fluid re-arrangement of thin amorphous optical glass film is leveraged to realize two large-area photonics metasurfaces: 1) a highly directional nanoantenna array (metareflector), and 2) a metagrating for inde ...

IEEE2022

Additive manufacturing of ceramics by two-photon lithography, volumetric 3D printing and high-resolution endo-printing.

Georgia Konstantinou

Additive manufacturing is a growing sector of industrial production that allows the fabrication of parts with complex geometries and reduced waste. The context of this thesis is light-based additive manufacturing technologies. In the first part of the thes ...

EPFL2022

Bragg edge tomography characterization of additively manufactured 316L steel

Roland Logé, Christian Leinenbach, Efthymios Polatidis, Markus Strobl, Nikola Kalentics

In this work we perform a neutron Bragg edge tomography of stainless steel 316L additive manufacturing samples, one as built via standard laser powder bed fusion, and one using the novel three-dimensional (3D) laser shock peening technique. First, we consi ...

AMER PHYSICAL SOC2022

A universal co-solvent dilution strategy enables facile and cost-effective fabrication of perovskite photovoltaics

Shaik Mohammed Zakeeruddin, Ursula Röthlisberger, Sandy Sanchez Alonso, Narges Yaghoobi Nia, Ulf Anders Hagfeldt, Hong Zhang, Dan Ren, Linfeng Pan, Paramvir Ahlawat, Masaud Hassan S Almalki, Viacheslav Bolnykh, Anurag Krishna, Tzu-Sen Su

Cost management and toxic waste generation are two key issues that must be addressed before the commercialization of perovskite optoelectronic devices. We report a ground-breaking strategy for eco-friendly and cost-effective fabrication of highly efficient ...

2022

Polysaccharide Layer-by-Layer Coating for Polyimide-Based Neural Interfaces

Silvestro Micera

Implantable flexible neural interfaces (IfNIs) are capable of directly modulating signals of the central and peripheral nervous system by stimulating or recording the action potential. Despite outstanding results in acute experiments on animals and humans, ...

MDPI2022

Bio-inspired Structures for Enhancing Energy Dissipation of Helmets

Mengbo Kang

The risk of concussion remains high in snow sports, even with a high helmet adoption rate. Novel helmet designs with enhanced energy dissipation are needed to solve this issue. In this study, helmet liners with bio-inspired honeycomb structures were propos ...

2022

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