Results 1 to 10 of about 3,120 (211)
PA12 Powder Recycled from SLS for FDM [PDF]
Polymers, 2019 In this study, Polyamide 12 (PA12) powder recycled after selective laser sintering (SLS) was made into filaments for fused deposition modelling (FDM). Compared with fresh PA12, the melt flow rate (MFR) of the recycled PA12 powder decreased by 77%, but the mechanical properties were only slightly reduced.
exaly +5 more sources
Shrinkage behaviour of semi-crystalline polymers in laser sintering: PEKK and PA12 [PDF]
Materials and Design, 2019 Shrinkage is extensively mentioned in the literature as one of the main causes for dimensional instability or poor performance in Laser Sintering (LS).
Luiza Benedetti, O Ghita, K E Evans
exaly +4 more sources
Optimization of Silicon Nitride Nanopowder Content in Polyamide 12 (PA12) in Extrusion-Based Additive Manufacturing [PDF]
NanomaterialsThe use of polyamide-12 (PA12) thermoplastics in additive manufacturing (AM) is promising owing to their mechanical properties and printability. However, in load-bearing applications, improvements in mechanical strength and stiffness are sought after ...
Markos Petousis +9 more
doaj +2 more sources
Genetic characterization of two novel picornaviruses from birds, white-tailed eagle (Haliaeetus albicilla) and pied avocet (Recurvirostra avosetta) in Hungary [PDF]
Scientific ReportsIn this study, two novel picornaviruses (eagle/WE6/HUN/2014, PV454551-PV454552 and avocet/PA12/HUN/2018, PV454553) were detected in white-tailed eagle (Haliaeetus albicilla) and pied avocet (Recurvirostra avosetta) in Hungary, and characterized by next ...
Benigna Balázs +7 more
doaj +2 more sources
A Study of the Flexural Properties of PA12/Clay Nanocomposites [PDF]
Polymers, 2022 Polymer nanocomposites consist of a polymer matrix and reinforcing particles that have at least one dimension under 100 nm. The processing of nanocomposite polymers is the most important stage, determining the final properties of nanocomposites. Nanocomposites are now preferentially prepared by melt-mixing using conventional compounding processes such ...
Josip Stojšić +3 more
openaire +4 more sources
Virtual and Physical Prototyping, 2021 Multi jet fusion (MJF) is an emerging powder three-dimensional (3D) printing technology with an ultrafast printing speed, in which polyamide 12 (PA12) is the main material currently utilised.
Binbin Guo +3 more
doaj +1 more source
Micromachines, 2022 In this work, polyamide 12 (PA12) and carbon fiber reinforced polyamide 12 (CF/PA12) composites were fabricated using selective laser sintering (SLS), and the coupling effects of the strain rate and hygroscopicity on the compressive mechanical properties
Xiaodong Zheng, Jiahuan Meng, Yang Liu
doaj +1 more source
INVESTIGATION OF MECHANICAL AND TRIBOLOGICAL PROPERTIES OF THE PTFE/PA12 POLYMERIC DUAL-MATRIX REINFORCED WITH ZnO NPs FOR PROSTHETICS APPLICATIONS. [PDF]
Journal of the Egyptian Society of Tribology, 2023 The current study aims to introduce novel nanocomposites consisted of polymeric dual-matrix, polytetrafluorethylene/polyamide12 (PTFE/PA12), reinforced with zinc oxide nanoparticles (ZnO NPs) for prosthetics applications.
A. El-Sayed M. Hassan +2 more
doaj +1 more source
Virtual and Physical Prototyping, 2021 A discrete element model has been developed to simulate the packing process of fibre/polymer composite powder for powder bed fusion additive manufacturing.
Pengfei Tan +3 more
doaj +1 more source
Polymer Testing, 2021 The additive manufacturing (AM) methods, selective laser sintering (SLS) and multi jet fusion (MJF), are increasingly used for end-use polymer parts. Chemical reactions caused by ionizing radiation and catalyzed by oxygen, moisture, and heat are known to
Tuomas Puttonen +2 more
doaj +1 more source