Nano plaquetas de grafeno reforzado con un compuesto fabricado mediante sinterización por inducción de alta ultra frecuencia

Uğur  Çavdar

doi:10.3989/revmetalm.188

Autores/as

Uğur Çavdar İzmir Demokrasi University, Engineering Faculty, Mechanical Engineering Department https://orcid.org/0000-0002-3434-6670

DOI:

https://doi.org/10.3989/revmetalm.188

Palabras clave:

Compuestos de matriz metálica de aluminio (MMC), Nanoplaquetas de grafeno (GNP), Propiedades mecánicas, Sinterización, UHFIHS

Resumen

En este trabajo, se estudiaron compuestos de nanoplaquetas de grafeno (GNP) como refuerzo de una aleación de aluminio, estudiándose refuerzos con adiciones variables de hasta un 2,0% en peso de GNP. Los polvos, de diferentes composiciones, se agitaron durante 2 h a una velocidad de 35 rpm en un mezclador tipo V para obtener una dispersión homogénea. Posteriormente, se sintetizaron mediante un tratamiento térmico a 620 ºC, en un horno de inducción de ultra alta frecuencia (UHFIHS) durante 5 min y 40 MPa de presión en un entorno de vacío. Se evaluó la densidad, rugosidad superficial, pérdida de masa ocurrida durante el proceso y la dureza Vickers de los nanocomposites obtenidos en cada caso. Se realizaron análisis SEM, EDX y XRD y se examinaron los resultados obtenidos. Se evaluó el efecto de la adición de grafeno en el aluminio y se determinó que las mejores propiedades se producían para una adición de un 0,8% en peso de GNP.

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