Results 111 to 120 of about 2,111,207 (385)
Advanced Engineering Materials, EarlyView.Freeze‐drying of layered silicate is the key to get coatings with superior gas barrier. Freeze‐drying of layered silicates modified with dodecylamine (DDA) is a highly effective technique for the preparation of barrier pigments that significantly mitigate the permeation of oxygen, water vapor, and hydrogen through polymer films containing these ...
Joshua Lommes +4 more
wiley +1 more source
In Vitro Biocompatibility of Three Orthodontic Composite Resins on Human Oral Fibroblasts
Majallah-i Dānishgāh-i ’Ulūm-i Pizishkī-i Shahīd Ṣadūqī Yazd, 2007 Introduction: In orthodontic therapy ,different materials are used and their presence in oral cavity may modify their properties. The purpose of this study was to evaluate the direct and indirect biocompatibility of three orthodontic composite resins on ...
M Vatani, MH Nasr Esfahani, S Sadeghian
doaj
Characterization of Polyimide Matrix Resins and Prepregs [PDF]
Graphite/polyimide composite materials are attractive candidates for a wide range of aerospace applications. They have many of the virtues of graphite/epoxies, i.e., high specific strengths and stiffness, and also outstanding thermal/oxidative stability.
Galeos, R. M., Maximovich, M. G.
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Microleakage of Class II Bulk-Fill Resin Composite Restorations Cured with Light-Emitting Diode versus Quartz Tungsten-Halogen Light: An In Vitro Study in Human Teeth [PDF]
, 2023 Jenny López-Torres +7 more
openalex +1 more source
Creep on a Composite Resin in Water
Dental Materials Journal, 1989 The compressive creep test of a composite resin (0-3.5 kg/mm2 stress levels) was conducted in water for 500 h. Linear regressions were obtained between the creep strains and the compressive stress levels at various hours. It is possible to predict the creep strain of the composite from the regression when it reaches water absorbed equilibrium after 500
S, Hirano, T, Hirasawa
openaire +3 more sources
Advanced Engineering Materials, EarlyView.A robot‐assisted laser processing method is proposed that enables the formation of surface‐tilted microanchors on metal substrates to improve metal–polymer joining. Using a six‐axis robotic platform, the laser beam's incidence angle, scanning path, and interline pitch can be precisely controlled, allowing the deliberate overlap of heat‐affected zones ...
Jun‐Chan Choi +3 more
wiley +1 more source
Restorative Dentistry & Endodontics, 2013 Objectives This study evaluated the antibacterial effect and mechanical properties of composite resins (LCR, MCR, HCR) incorporating chitosan with three different molecular weights (L, Low; M, Medium; H, High). Materials and Methods Streptococcus (S)
Ji-Sun Kim, Dong-Hoon Shin
doaj +1 more source
Evaluation of experimental epoxy monomers [PDF]
Future generation aircraft need higher performance polymer matrices to fully achieve the weight savings possible with composite materials. New resins are being formulated in an effort to understand basic polymer behavior and to develop improved resins ...
Ficklin, R. +3 more
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Evaluation of in-situ shrinkage and expansion properties of polymer composite materials for adhesive anchor systems by a novel approach based on digital image correlation [PDF]
, 2019 The curing reaction of thermosetting resins is associated with chemical shrinkage which is overlapped with thermal expansion as a result of the exothermal enthalpy. Final material properties of the polymer are determined by this critical process.
Lichtenegger, Helga C. +5 more
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