Results 41 to 50 of about 5,562 (211)

The force effects of two types of polyethylene terephthalate glyc-olmodified clear aligners immersed in artificial saliva

Scientific Reports, 2021
Numerous factors can influence the force exerted by clear aligners on teeth. This study aimed to investigate the stability of the force delivered by two different material appliances.
Biao Xiang, Xingxing Wang, Gang Wu, Yichen Xu, Menghan Wang, Yanjing Yang, Qingyu Wang   +6 more
doaj   +1 more source

Analysis of the Elastic Behavior of Selected Types of Plastic Materials Used in 3D Printing

Macromolecular Symposia, EarlyView.
ABSTRACT This article analyzes the elastic behavior of 3D printed plastic materials, using FDM technology, to understand how they react to mechanical compressive stresses and to determine the limits of reversible deformation. In this research, a series of compression tests were performed on specimens made of five types of plastics: ABS (acrylonitrile ...
Ionuț Cristian Perederic, Nicoleta Luminița Căruțașu, Tiberiu Gabriel Dobrescu, Patricia Isabela Brăileanu, Nicoleta‐Elisabeta Pascu   +4 more
wiley   +1 more source

Mechanical characterization of impact resistance by pendulum tensile test on PETG and PA6 thermoplastics

, 2018
This article presents the results of the mechanical characterization of the impact resistance of PETG and PA6 thermoplastic polymers. This type of polymer is being widely used in industrial applications and the characterization of its mechanical ...
Coba Salcedo, Milton Fabian, Acevedo Peñaloza, Carlos Humberto, Guerrero Gomez, Gustavo   +2 more
core   +1 more source

تحلیل آماری و بهینه‌سازی متغیرهای موثر بر رفتار کششی و ضربه‌ای نمونه‌های PETG چاپ-شده با استفاده از مدل‌سازی لایه‌نشانی ذوبی [PDF]

مکانیک سازه ها و شاره ها
مدل‌سازی لایه‌نشانی ذوبی (FDM) به عنوان یکی از روش‌های ساخت افزایشی قطعات پلیمری، شناخته می‌شود. در این فرآیند، چاپ قطعه بر اساس لایه‌نشانی فیلامنت ذوب‌شده انجام می‌شود.
سعید کوه فر, مهدی وحدتی   +1 more
doaj   +1 more source

Avaliação do PETG como material para imobilizadores utilizados em radioterapia para cabeça e pescoço

Brazilian Journal of Radiation Sciences, 2020
No planejamento do tratamento radioterápico do câncer de cabeça e pescoço, o radioncologista pode indicar o uso de uma prótese intraoral para facilitar a técnica de radioterapia e reduzir a toxicidade do tratamento.
Heitor Ribeiro Birnfeld, Gabriela Corati Touguinha, Romulo Rocha Santos, Mirko Salomón Alva Sánchez, Luzia Fernandes Millão   +4 more
doaj   +1 more source

PETG/carbon fiber composites with different structures produced by 3D printing

Polymer Testing, 2023
This research presents a novel methodology for simulating the failure of a 3D-printed engineering design structure. Fused deposition modeling (FDM) of polyethylene terephthalate glycol (PETG)/Carbon fiber (CF) material was utilized to develop and build ...
Ibrahim M. Alarifi
doaj   +1 more source

Low‐Velocity Impact Response and Damage Mechanisms of 3D Printed ASA‐Glass Fiber Composites

Polymer Composites, EarlyView.
ASA + GF 3D‐printed specimens: fabrication, impact test and anisotropic fracture under 0/90° and 45/−45° print orientations. ABSTRACT This study investigates the low velocity impact behavior and underlying damage mechanisms of 3D printed acrylonitrile styrene acrylate reinforced with short glass fibers (ASA + GF) composites.
Sachini Wickramasinghe, Janitha Jeewantha, Allan Manalo   +2 more
wiley   +1 more source

The influence of the raster angle on the dimensional accuracy of FDM-printed PLA, PETG, and ABS tensile specimens

European Mechanical Science
3D printing is a rapidly advancing method in digital manufacturing techniques and produces objects in layers. Fused Deposition Modelling (FDM) is a 3D printing technology where the material is melted in a hot nozzle and then placed on a build platform to
Oğuz Tunçel
doaj   +1 more source

Antimony Tin Oxide as a Nano Reinforcement Component for Acrylonitrile Styrene Acrylate in Material Extrusion Additive Manufacturing: Rheology and Thermomechanical Scores

Polymer Composites, EarlyView.
ASA/ATO nanocomposites in MEX 3D for outdoor applications. ABSTRACT In this study, the influence of incorporating Antimony Tin Oxide (ATO) filler into the Acrylonitrile Styrene Acrylate (ASA) pure polymer matrix was investigated, focusing on the mechanical, thermomechanical/thermochemical, and overall quality of 3D printed ASA/ATO nanocomposites.
Nectarios Vidakis, Nektarios K. Nasikas, Nikolaos Michailidis, Emmanuel Stratakis, Aikaterini Gkagkanatsiou, Apostolos Argyros, Ioannis Valsamos, Vassilis M. Papadakis, Markos Petousis   +8 more
wiley   +1 more source

Influence of Thermal Cycling on Friction, Wear, and Damage Evolution of Fused Deposition Modeling of 3D‐Printed Glass Fiber Reinforced Polylactic Acid Composites

Polymer Composites, EarlyView.
Schematic illustration of the experimental procedure of the specimens. ABSTRACT This research work investigated the effect of the cyclic thermo‐hygrometric aging regime between −20°C and +40°C with 0–400 cycles on the reciprocating tribological properties of fused deposition modeling (FDM) printed polylactic acid (PLA) and the same material reinforced ...
Sinan Fidan, Satılmış Ürgün, Nevin Gamze Karsli, Taner Yılmaz, Mustafa Özgür Bora, Mehmet İskender Özsoy   +5 more
wiley   +1 more source