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OBTAINMENT OF HYBRID COMPOSITES BASED ON HYDROGEL AND PORTLAND CEMENT
(Soc Brasileira Quimica, 2016-02-01)
In this study, a novel hybrid composite based on biodegradable hydrogel and Portland cement with promising technological properties was reported. In the first step, a full 2(3) with central point factorial design was ...
A review on the development and properties of continuous fiber/epoxy/aluminum hybrid composites for aircraft structures
(2006-07-01)
Weight reduction and improved damage tolerance characteristics were the prime drivers to develop new family of materials for the aerospace/ aeronautical industry. Aiming this objective, a new lightweight Fiber/ Metal ...
Surface degradation of composite resins under staining and brushing challenges
(2019-03-01)
Background/purpose: The primeval evaluation of the properties of composite resins with different compositions that impact clinical behavior is very important in guiding use in clinical settings. The aim of this study was ...
Influence of different wavelengths peaks in LED units on the degree of conversion of orthodontic composites
(Elsevier B.V., 2016-12-01)
Objective: The aim of this study was to assess the influence of adding a second wavelength peak (400 nm) to a light-emitting diode (LED) unit on the degree of conversion (DC) of two commercial orthodontic composites, as ...
Effect of staining agents on color change of composites
(2012)
Composite resins are materials that can present color changing when exposed to pigments. Objective: The aim of this study was to evaluate, in vitro, the color changing of composites after immersion in different substances ...
Composite pre-heating: Effects on marginal adaptation, degree of conversion and mechanical properties
(ELSEVIER SCI LTD, 2010)
Objectives. This study evaluated the effect of composite pre-polymerization temperature and energy density on the marginal adaptation (MA), degree of conversion (DC), flexural strength (FS), and polymer cross-linking (PCL) ...
Effect of composite temperature on in vitro intrapulpal temperature rise
(Elsevier Sci LtdOxfordInglaterra, 2007)
Litania (2011), for String Quartet (In Memoriam J. A. Almeida Prado): compositional genesis and poetics
(Univ Federal GoiasGoiania GoBrasil, 2012)
Mode I and mode II delamination of carbon/glass/epoxy hybrid composite: A statistics-based analysis
(2021-01-01)
The delamination of a carbon/glass/epoxy hybrid composite was studied experimentally to analyze the effect of reinforcement heterogeneity on data dispersion. A statistical approach was applied to evaluate the effect of the ...
Effective properties evaluation for smart composite materials
(Associação Brasileira de Engenharia e Ciências Mecânicas - ABCM, 2012)
The purpose of this article is to present a method which consists in the development of unit cell numerical models for smart composite materials with piezoelectric fibers made of PZT embedded in a non-piezoelectric matrix ...