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https://hdl.handle.net/10316/106941
Título: | Effect of machining parameters on the mechanical properties of high dosage short –carbon- fiber reinforced composites | Autor: | Ferreira, J. A. M. Oliveira, S. E. Silva, J. Capela, Carlos |
Palavras-chave: | Mechanical properties; Short fiber composites; Machinability of composites | Data: | 2019 | Editora: | Gruppo Italiano Frattura | Projeto: | FEDER funds through the program COMPETE – Programa Operacional Factores de Competitividade – and by national funds through FCT – Fundação para a Ciência e a Tecnologia –, under the project PEst-C/EME/UI0285/2013 Brazilian agency CNPq, Conselho Nacional de Desenvolvimento Ciêntifico e Tecnológico, CsF |
Título da revista, periódico, livro ou evento: | Frattura ed Integrita Strutturale | Volume: | 13 | Número: | 48 | Resumo: | The machinability of polymer matrix composites with fibers strongly depends on the type of fiber and dosage in question, having a high influence on the selection of tools and cutting parameters. The cutting temperature depends of rotation speed and the feed cutting tools and is significantly influencing on the quality of the machined surfaces and tool life. This paper presents the results of a current study concerning the effect of the rotation-cutting speed on the cutting temperature, roughness and tensile strength of short carbon fiber reinforced epoxy composites, potentially used in automotive and aeronautic industries. Composite plates were manufactured by compression molding, using short carbon fibers with 0.5 mm and 6 mm length. The increasing of the rotation-cutting speed increases significantly the temperature generated in the tool and slightly increases surface roughness. Tensile strength and Young´s modulus are little sensitive to drilling speed. However, above 3000 rpm it was observed significant loss of stiffness, associated with the developed temperature in the machining process. | URI: | https://hdl.handle.net/10316/106941 | ISSN: | 19718993 | DOI: | 10.3221/IGF-ESIS.48.26 | Direitos: | openAccess |
Aparece nas coleções: | I&D CEMMPRE - Artigos em Revistas Internacionais |
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Effect-of-machining-parameters-on-the-mechanical-properties-of-high-dosage-short-carbon-fiber-reinforced-compositesFrattura-ed-Integrita-Strutturale.pdf | 1.59 MB | Adobe PDF | Ver/Abrir |
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