Thermoplastic Composites
Mostrando 1-12 de 37 artigos, teses e dissertações.
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1. Investigation on influence of stamp forming parameters on formability of thermoplastic composite
Abstract Advanced fabric reinforced polymer composites find extensive applications in aerospace and structural fields due to their high mechanical properties. A novel stamp forming technique finds extensive use in the hemispherical forming of thermoplastic composites. This study investigates the influence of stamp forming parameters on the formability of th
Polímeros. Publicado em: 29/11/2018
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2. Crashworthiness and Impact Energy Absorption Study Considering the CF/PA Commingled Composite Processing Optimization
The processing of the thermoplastic composites can cause matrix thermo-oxidative degradation. Understanding the level of thermo-oxidative degradation, as well as the thresholds of temperature and processing time, allows the manufacture of high performance composites with higher crashworthiness. This study evaluated the matrix thermo-oxidative degradation by
Mat. Res.. Publicado em: 22/01/2018
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3. Polypropylene Composites Manufactured from Recycled Carbon Fibers from Aeronautic Materials Waste
Carbon fiber composites are used in several industries such as, aerospace, automotive, civil engineering, sports goods and technical applications due to its low-weight, strength and stiffness. However, the technology of recycling of these thermosetting polymer composites remains an engineering challenge because of their cross-linked structures that impede th
Mat. Res.. Publicado em: 23/10/2017
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4. Manufacturing and Characterization of Jute/PP Thermoplastic Commingled Composite
The commingled technology is a promising technique for the manufacture of composites reinforced with natural fibers. This study presents the development, processing and basic characterization of a long fiber Jute/Polypropylene (Jute/PP) commingled composite. The Jute/PP fabric was produced in a handloom and the composite was consolidated by compression moldi
Mat. Res.. Publicado em: 19/10/2017
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5. Application of Short Fibers Reinforced Composites in Power Transmission Coupling
Abstract In this study the use of short glass, carbon and hybrid glass-carbon fibers reinforced polymeric composites in power transmission coupling is investigated. The presented work is generalized to thermoplastic and thermoset polymeric matrix composites. The effects of the constituents weight percentages, and average fibers length on the composite tensil
Lat. Am. j. solids struct.. Publicado em: 2017-10
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6. Tensile properties of novel carbon/glass hybrid thermoplastic composite rods under static and fatigue loading
ABSTRACT Novel carbon/glass hybrid thermoplastic composite rods have been developed consisting of a PAN-based carbon fiber, an E-glass fiber, and a thermoplastic matrix. Three types of hybrid rods with different carbon/glass ratios were then fabricated. The surface and cross-sectional morphologies of the hybrid rods were observed using a digital microscope.
Matéria (Rio J.). Publicado em: 20/07/2017
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7. Fractographic and rheological characterizations of CF/PP-PE-copolymer composites tested in tensile
Abstract This work shows the fractographic study of fractured surfaces resulted from tensile tests of thermoplastic composites based on poly(propylene-co-ethylene) (PP-PE) and modified PP-PE copolymers reinforced with continuous carbon fibers (CF). The PP-PE matrix was modified with two agents called AM1 (based on maleic anhydride) and AM2 (containing an ela
Polímeros. Publicado em: 29/06/2017
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8. Devulcanization of Natural Rubber in Composites with Distinct Crosslink Densities by Twin-Screw Extruder
In this study, the effects of the devulcanization process realized by an intermeshing co-rotating twin-screw extruder (ICTSE) on three vulcanized Natural Rubber (NR) composites with different crosslink densities (CD) have been investigated. The extrusion parameters were fixed, as well as the initial material granulometry and auxiliary thermoplastic added to
Mat. Res.. Publicado em: 02/05/2017
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9. Utilization of banana stalk fiber as reinforcement in low density polyethylene composite
ABSTRACT Natural fibers could serve as viable and abundant alternatives to the expensive and non - renewable synthetic fibers as reinforcement in thermoplastic composites. The potentiality of banana stalk fiber at reinforcing a low density polyethylene matrix was examined in this study. Fibers were extracted from the stalk of banana plant and characterized f
Matéria (Rio J.). Publicado em: 2016-12
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10. Curaua fiber reinforced high-density polyethylene composites: effect of impact modifier and fiber loading
Abstract Short fibers are used in thermoplastic composites to increase their tensile and flexural resistance; however, it often decreases impact resistance. Composites with short vegetal fibers are not an exception to this behavior. The purpose of this work is to produce a vegetal fiber reinforced composite with improved tensile and impact resistance in rela
Polímeros. Publicado em: 07/06/2016
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11. Applicability of FT-IR Techniques and Goniometry on Characterization of Carbon Fiber Surfaces
ABSTRACT Carbon fibers have been widely used as structural reinforcement in aeronautical composites, because of their exceptional mechanical properties. However, carbon fibers present few polar groups on their surfaces inducing a weak interaction with some thermosetting and thermoplastic matrices. Surface treatments, such as thermal and electrochemical oxida
J. Aerosp. Technol. Manag.. Publicado em: 2016-03
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12. Improved Thermal Stability and Wettability Behavior of Thermoplastic Polyurethane / Barium Metaborate Composites
In this paper, it was targeted to the enhance thermal stability and wettability behavior of thermoplastic polyurethane (TPU) by adding barium metaborate. TPU-Barium metaborate composites were prepared by adding various proportions of barium metaborate to TPU. The chemical structures of the composites were characterised by fourier transform infrared spectrosc
Mat. Res.. Publicado em: 26/02/2016