Thermal and mechanical properties of self-healing epoxy/graphene nanocomposites

Aguirre de Cárcer, I.; González Prolongo, Margarita; Salom Coll, Catalina; Parrado, J.; Moriche, R. y González Prolongo, Silvia (2017). Thermal and mechanical properties of self-healing epoxy/graphene nanocomposites. En: "VIII ECCOMAS Thematic Conference on Smart Structures and Materials", 5-8 Jun 2017, Madrid . ETS I Aeronautica y Espacio. UPM. pp. 1399-1408.

Descripción

Título: Thermal and mechanical properties of self-healing epoxy/graphene nanocomposites
Autor/es:
  • Aguirre de Cárcer, I.
  • González Prolongo, Margarita
  • Salom Coll, Catalina
  • Parrado, J.
  • Moriche, R.
  • González Prolongo, Silvia
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: VIII ECCOMAS Thematic Conference on Smart Structures and Materials
Fechas del Evento: 5-8 Jun 2017
Lugar del Evento: Madrid . ETS I Aeronautica y Espacio. UPM
Título del Libro: VIII ECCOMAS Thematic Conference on Smart Structures
Fecha: Junio 2017
Materias:
Palabras Clave Informales: Selfhealing, graphene, termal-mechanical-electric properties
Escuela: E.T.S. de Ingeniería Aeronáutica y del Espacio (UPM)
Departamento: Materiales y Producción Aeroespacial
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

Self-healing epoxy, graphene, thermal-mechanical-electrical properties. Abstract. The goal of the present work is to analyze the influence of the type of graphene and graphene content on the thermo-mechanical properties of an epoxy nanocomposite formed by an epoxy resin base on diglycidyl ether of bisphenol A (DGEBA) and 4-aminophenyl disulphide (AFD) as curing agent. This is a ?dynamic? epoxy matrix (vitrimer), which has reversible crosslinks based on aromatic disulphide bonds. The idea is to take the advantage of the high thermal conductivity of graphene nanocomposites to promote the self-healing. The study of the epoxy-graphene systems was carried out using two types of un-functionalized graphene with different nanoplatelet dimensions. Dispersions of GNPs in the DGEBA were studied by Differential Scanning Calorimetry (DSC) in order to investigate the curing reaction. Dynamic Mechanical Thermal Analysis (DMTA) and tensile stress-strain measurements were performed to compare the glass transition temperature, the storage modulus in the glassy and rubber states, the Young modulus, deformation at break, mechanical strength and toughness. Electrical conductivity and combined tensile stress-electrical resistance experiments are reported for these nanocomposites.

Más información

ID de Registro: 50753
Identificador DC: http://oa.upm.es/50753/
Identificador OAI: oai:oa.upm.es:50753
URL Oficial: https://eventos.upm.es/11220/detail/smart-2017.html
Depositado por: Memoria Investigacion
Depositado el: 04 Dic 2018 09:09
Ultima Modificación: 04 Dic 2018 09:09
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