Brazilian Oral Research, 2017 : This in vitro study aimed to evaluate the volume of polymerization shrinkage (VS), gap (VG), and void (VV) using computerized microtomography (μCT) in bulk fill resin composites and conventional class I restorations, and to establish a correlation ...
Lauber José dos Santos Almeida Junior +6 more
doaj +3 more sources
Simulation of Micro-Void Development within Large Scale Additively Manufactured Polymer Composite Deposition Beads [PDF]
arXivDespite the growing level of technology advancement that characterizes extrusion-deposition additive manufacturing technology, there remains a significant knowledge gap in fully understanding the process-structure-property relationship involved in this technology.
Aigbe Awenlimobor
arxiv +3 more sources
Void Prediction During Liquid Composite Molding Processes: Wetting and Capillary Phenomena [PDF]
arXiv, 2012 The aim of this work is to contribute in improving fibrous preforms impregnation for Liquid Composite Molding (LCM) processes. The void prediction in LCM sparks off interest within the Composite Material elaboration because it represents a significant issue to keep the expected mechanical properties of the final product.
Mohamed Amine Ben Abdelwahed +3 more
arxiv +3 more sources
Results in MaterialsMicrostructural void formation during the processing of continuous fibre-reinforced polymer composites are a significant limitation of processes such as 3D printing, as voids inhibit resultant mechanical properties.
Joel Galos, Xiaoying Wang
doaj +2 more sources
Influence of the Void Structure on Thermal Performance in HGM/ER Composites
EnergiesThe heat transfer mechanism of hollow glass microsphere/epoxy resin composites (HGM/ER) is intricate, and the formation of void structures during material preparation complicates the prediction of thermal conductivity. To investigate the microscopic heat
Yu Ding +4 more
doaj +2 more sources
Preheated and Injected Bulk-Fill Resin Composites: A Micro-CT Analysis of Internal Voids and Marginal Adaptation in Class II Restorations. [PDF]
Materials (Basel)Sá VA +3 more
europepmc +2 more sources
Evaluation of the Electrical Characteristics of Recycled Iron Reinforced Polystyrene Composites [PDF]
Iranica Journal of Energy and Environment, 2021 The prospective reuse of iron fillings from the milling machine and polystyrene in the solid waste streams in the production of plastic composites were considered in this study.
S. A. Abdulkareem +2 more
doaj +1 more source
Single Vacuum Bagging and Autoclave Curing System Influence on Physical and Mechanical Properties of Phenolic Composites [PDF]
علوم و تکنولوژی پلیمر, 2010 Industrial production of thermoset composite components involves the application of a vacuum bagging and autoclave pressure to minimize void percentage, usually to less than 5%.
M.A. Mirzapour +2 more
doaj +1 more source
Manufacturing Method of Carbon/Phenolic Composites and its Implication on Ablative Charactristics [PDF]
علوم و تکنولوژی پلیمر, 2013 Carbon/phenolic composites are used in the nozzle parts of solid rocket motors due to their heat-resisting, ablation, and high strength characteristics, which are required to endure the high temperature and pressure of combustion gas passing through the ...
Jamal Zamani, Vahid Moosabeiki
doaj +1 more source
Mekanika, 2021 Natural fiber reinforced composites is one materials potentially developing in Indonesia. One of biggest problem with composites specimen is its void. One properties to find out void of composites is composites density value. The objective of research is
Muhammad Ghozali +2 more
doaj +1 more source