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Materiales compuestos de matriz polimérica usados para el blindaje de interferencia electromagnética
dc.creator | Garzón Posada, Andrés Orlando | |
dc.creator | Landínez Téllez, David Arsenio | |
dc.creator | Roa Rojas, Jairo | |
dc.creator | Ramos Barrado, José | |
dc.date | 2017-01-18 | |
dc.identifier | https://revistas.unimilitar.edu.co/index.php/rcin/article/view/1917 | |
dc.identifier | 10.18359/rcin.1917 | |
dc.description | This work aims at revising the state of the art in the synthesis and characterization of polymer/ferrites or polymer/carbon based composites used as EMI shielding materials. In recent years, such composites have been subject of research not only due to their potential technological applications and economy advantages, but also because they are environmentally friendly since some recycled materials such as some plastics and rubbers may be used for their production. Composites of this kind are used in different applications such as magnetic and microwave absorption, transducers manufacturing and biomedical applications like targeted drug delivery, labeling organs, magnetic hyperthermia, among many other things. Fillers of different shapes are used to produce these kinds of composites. Particles, fibers or sheets from several materials can be employed as matrices; for example, thermoplastic or thermoset polymers, synthetic or natural rubbers. It was found that the production method (melt-lending, solution processing, etc.) influenced the electric, magnetic and electromagnetic properties of the composite material due to the aspect ratio of the fillers: fillers with high aspect ratios result in composites with improved electrical, magnetic and better EMI shielding performance. The electromagnetic shielding for these materials is quantified through the shielding effectiveness (SE) or by the reflective loss (RL). A shielding effectiveness of 30 dB corresponds to a 99.9% of electromagnetic attenuation. It was proved that the composite properties depend on the filler content within the matrix. | en-US |
dc.description | Este trabajo tiene como propósito revisar el estado del arte en la síntesis y caracterización de materiales de matriz polimérica reforzados con compuestos a base de carbón o ferritas para su uso como materiales atenuadores de interferencia electromagnética (EMI). Recientemente, este tipo de materiales han sido objeto de investigación debido a sus potenciales aplicaciones tecnológicas, economía y de ser además ambientalmente amigables, puesto que polímeros o cauchos reciclados se pueden utilizar para su fabricación. Estos compuestos pueden ser empleados en la producción de blindajes electromagnéticos, transductores, entrega focalizada de medicamentos, marcación de órganos, hipertermia magnética, etc. Para la fabricación de este tipo de materiales compuestos se usan refuerzos particulados, fibras o láminas y como matrices polímeros termoplásticos o termoestables, cauchos sintéticos o naturales. El método de producción de los compuestos (mezcla fundida, métodos químicos, etc.) influye en las propiedades eléctricas, magnéticas y electromagnéticas del material obtenido, debido a la relación de aspecto de los refuerzos: compuestos con elevada relación de aspecto de sus refuerzos tendrán mejores propiedades magnéticas, eléctricas y desempeño frente a la interferencia electromagnética. El blindaje electromagnético de estos materiales se cuantifica a través de la efectividad del blindaje (SE) o en otros casos a través de la pérdida reflectiva (RL). Una efectividad de blindaje de 30 dB corresponde a 99,9% de atenuación de la radiación electromagnética incidente. En todos los trabajos se comprueba que las propiedades del compuesto dependen de la cantidad y del tipo de refuerzo adicionado a la matriz. | es-ES |
dc.format | application/pdf | |
dc.format | text/html | |
dc.format | application/msword | |
dc.language | spa | |
dc.publisher | Universidad Militar Nueva Granada | es-ES |
dc.relation | https://revistas.unimilitar.edu.co/index.php/rcin/article/view/1917/2102 | |
dc.relation | https://revistas.unimilitar.edu.co/index.php/rcin/article/view/1917/2481 | |
dc.relation | https://revistas.unimilitar.edu.co/index.php/rcin/article/view/1917/3103 | |
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dc.rights | Derechos de autor 2016 Ciencia e Ingeniería Neogranadina | es-ES |
dc.source | Ciencia e Ingenieria Neogranadina; Vol. 27 No. 1 (2017); 5-26 | en-US |
dc.source | Ciencia e Ingeniería Neogranadina; Vol. 27 Núm. 1 (2017); 5-26 | es-ES |
dc.source | Ciencia e Ingeniería Neogranadina; v. 27 n. 1 (2017); 5-26 | pt-BR |
dc.source | 1909-7735 | |
dc.source | 0124-8170 | |
dc.subject | composite material | en-US |
dc.subject | ferrites | en-US |
dc.subject | carbon | en-US |
dc.subject | electromagnetic attenuation | en-US |
dc.subject | electromagnetic shielding | en-US |
dc.subject | resistivity | en-US |
dc.subject | conductivit | en-US |
dc.subject | magnetization | en-US |
dc.subject | material compuesto | es-ES |
dc.subject | ferritas | es-ES |
dc.subject | carbón | es-ES |
dc.subject | atenuación electromagnética | es-ES |
dc.subject | blindaje electromagnético | es-ES |
dc.subject | resistividad | es-ES |
dc.subject | conductividad | es-ES |
dc.subject | magnetización | es-ES |
dc.title | Polymer based composites for shielding electromagnetic interference | en-US |
dc.title | Materiales compuestos de matriz polimérica usados para el blindaje de interferencia electromagnética | es-ES |
dc.type | info:eu-repo/semantics/article | |
dc.type | info:eu-repo/semantics/publishedVersion |
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