Results 11 to 20 of about 2,719 (217)

A detailed evaluation of surface, thermal, and flammable properties of polyamide 12/glass beads composites fabricated by multi jet fusion

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, Zhiyao Xu, Xue Luo, Jiaming Bai   +3 more
doaj   +1 more source

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

Polímeros, 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, Larissa Stieven Montagna, Guilherme Ferreira de Melo Morgado, André Luiz Guimarães de Castilho, Larissa Anne Pereira dos Santos Batista, Edson Cocchieri Botelho, Michelle Leali Costa, Fabio Roberto Passador, Mirabel Cerqueira Rezende, Marcos Valério Ribeiro   +9 more
doaj   +1 more source

Nanoclay/Polymer Composite Powders for Use in Laser Sintering Applications: Effects of Nanoclay Plasma Treatment [PDF]

, 2017
Plasma-etched nanoclay-reinforced Polyamide 12 (PA12) powder is prepared with its intended use in selective laser sintering (LS) applications. To replicate the LS process we present a downward heat sintering (DHS) process, carried out in a hot press, to ...
Almansoori, A., Majewski, C., Rodenburg, C.   +2 more
core   +2 more sources

Preparation of near-spherical PA12 particles for selective laser sintering via Plateau-Rayleigh instability of molten fibers

Materials & Design, 2020
We report a novel method to prepare near-spherical polyamide 12 (PA12) particles with controllable size for selective laser sintering (SLS) technology based on the Plateau-Rayleigh instability of molten PA12 fibers.
Ying Zhou, Shuting Xi, Yajiang Huang, Miqiu Kong, Qi Yang, Guangxian Li   +5 more
doaj   +1 more source

Preparation of iron oxide–coated aramid fibres for improving the mechanical performance and flame retardancy of multi jet fusion–printed polyamide 12 composites

Virtual and Physical Prototyping, 2023
Multi jet fusion (MJF), a powder-based additive manufacturing technology, is suitable for fabricating fibre-reinforced polymer composites. However, the types of reinforcement fibres applied in MJF are limited due to the incompatibility between the fibres
Yanbei Hou, Ming Gao, Jiayao Chen, Wei Shian Tey, Mei Chen, Han Zheng, Boyuan Li, Lihua Zhao, Kun Zhou   +8 more
doaj   +1 more source

Crystal transition and thermal behavior of Nylon 12

e-Polymers, 2020
The polyamide 12 (PA12) with different crystal forms is prepared with three crystallization paths. The crystal structures and corresponding thermal properties are systematically investigated.
Ma Ning, Liu Wentao, Ma Lili, He Suqin, Liu Hao, Zhang Zhenya, Sun Aihua, Huang Miaoming, Zhu Chengshen   +8 more
doaj   +1 more source

Effect of molecular weight and hydration on the tensile properties of polyamide 12

Results in Materials, 2020
Polyamide 12 (PA12) has found significant applications in the medical device industry, including its common use as an outer jacket layer in catheters. Like all polymers, PA12 can undergo degradation reactions, which compromise the mechanical and physical
Athanasios Touris, Alejandra Turcios, Eric Mintz, Syamala Rani Pulugurtha, Peter Thor, Matt Jolly, Ujwal Jalgaonkar   +6 more
doaj   +1 more source

Preparation of polyamide 12 powder for additive manufacturing applications via thermally induced phase separation

e-Polymers, 2022
Spherical polyamide 12 (PA12) powder for selective laser sintering (SLS) was prepared by thermally induced phase separation (TIPS) method. It was authenticated that the mixed solvent can regulate the liquid–liquid phase separation (LLPS) process by ...
Su Dandan, Yang Jingkui, Liu Shan, Ren Lulu, Qin Shuhao   +4 more
doaj   +1 more source

Polyamide Nanocomposites for Selective Laser Sintering [PDF]

, 2006
Current polyamide 11 and 12 are lacking in fire retardancy and high strength/high heat resistance characteristics for a plethora of finished parts that are desired and required for performance driven applications.
Cheng, J., Ervin, M., Koo, J. H., Lao, S., Ngyuen, K., Pilato, L., Wissler, G.   +6 more
core   +1 more source

Polyamide 11-Carbon Nanotubes Nanocomposites: Preliminary Investigation [PDF]

, 2008
The objective of this research is to develop an improved polyamide 11 (PA11) polymer with enhanced flame retardancy, thermal, and mechanical properties for selective laser sintering (SLS) rapid manufacturing.
Koo, J. H., Lam, C., Lao, S. C., Luo, Z. P., Moon, T., Piccione, P. M., Pilato, L., Wissler, G., Yong, W., Zhou, J.   +9 more
core   +1 more source