Results 11 to 20 of about 20,331 (261)

Additive Manufacturing of WC-Co by Indirect Selective Laser Sintering (SLS) using High Bulk Density Powders [PDF]

open access: yesArchives of Metallurgy and Materials, 2022
Research in additive manufacturing of tungsten carbide-cobalt has intensified over the last few years due to the increasing need for products designed using topology optimisation and multiscale structures (lattice).
R.V. Gădălean   +4 more
doaj   +1 more source

Process control of surface quality and part microstructure in selective laser sintering involving highly degraded polyamide 12 materials

open access: yesPolymer Testing, 2021
Polyamide 12 is one of the most extensively used semi-crystalline polymer materials to date in selective laser sintering (SLS) additive manufacturing, or SLS 3D printing.
Feifei Yang   +4 more
doaj   +1 more source

Recent advances in the use of Polyamide-based materials for the automotive industry

open access: yesPolímeros, 2022
Polyamide (PA) is a well-known and researched thermoplastic due to its excellent mechanical and physical properties, making it developed in the automotive sector, suitable for lighter vehicles, and, consequently, lower fuel consumption.
Marcel Yuzo Kondo   +9 more
doaj   +1 more source

Process-Structure-Property Interdependencies in Non-Isothermal Powder Bed Fusion of Polyamide 12

open access: yesJournal of Manufacturing and Materials Processing, 2023
Non-isothermal laser-based powder bed fusion (LPBF) of polymers suggests the potential for significantly extending the range of materials applicable for powder-based additive manufacturing of polymers, relying on the absence of a material-specific ...
Samuel Schlicht   +2 more
doaj   +1 more source

A comprehensive characterisation of Laser Sintered Polyamide-12 surfaces

open access: yesPolymer Testing, 2022
Polymer Laser Sintering (LS) is a powder-based Additive Manufacturing (AM) process known for its ability to produce highly complex geometries. The powder-based nature of the process means it intrinsically produces components with characteristic surface ...
Kieran Nar   +2 more
doaj   +1 more source

Performance of glass fiber reinforced polyamide composites exposed to bioethanol fuel at high temperature

open access: yesnpj Materials Degradation, 2022
The increasing use of bioethanol fuel, as a promising carbon-neutral alternative to petroleum-based gasoline, has raised concerns on compatibility issues between bioethanol and the polymer components used in the automotive fuel system.
Xin-Feng Wei   +3 more
doaj   +1 more source

Performance optimization of 3D printed polyamide 12 via Multi Jet Fusion: A Taguchi grey relational analysis (TGRA)

open access: yesInternational Journal of Lightweight Materials and Manufacture, 2023
The multi jet fusion (MJF) additive manufacturing techniques enable producing different complex geometries quickly with a relatively inexpensive product development process, using a thermoplastic powder, specifically polyamide 12 (PA 12).
Said Abdallah   +2 more
doaj   +1 more source

Comparative Evaluation of Sorption, Solubility and Microhardness of Heat Cure Polymethylmethacrylate Denture Base Resin & Flexible Denture Base Resin [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2014
Aim: The aim of the study was to evaluate and compare sorption, solubility and microhardness of heat cure polymethylmethacrylate (PMMA) denture base resin and flexible (thermoplastic polyamide nylon) denture base resin.
Jay Shah   +4 more
doaj   +1 more source

Multifunctional glass fiber/polyamide composites with thermal energy storage/release capability

open access: yeseXPRESS Polymer Letters, 2018
Thermoplastic composite laminates with thermal energy storage (TES) capability were prepared by combining a glass fabric, a polyamide 12 (PA12) matrix and two different phase change materials (PCMs), i.e.
G. Fredi, A. Dorigato, A. Pegoretti
doaj   +1 more source

Multi Jet Fusion of surface-modified ZnO nanorod–reinforced PA12 nanocomposites

open access: yesVirtual and Physical Prototyping, 2023
Metal oxide nanorods exhibit promising potential as reinforcement fillers in various polymer matrices, but their application in the Multi Jet Fusion (MJF) technique is rarely reported.
Ran An   +5 more
doaj   +1 more source

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