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Development of polyamide 6‐graphene oxide nanocomposite and direct‐joining with aluminum alloy for lightweight engineering applications

Luiz, G. M. ; Oliveira, G. H. M. ; Canto, L. B.

Polymer engineering and science, 2024-02, Vol.64 (2), p.663-674 [Periódico revisado por pares]

Hoboken, USA: John Wiley & Sons, Inc

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  • Título:
    Development of polyamide 6‐graphene oxide nanocomposite and direct‐joining with aluminum alloy for lightweight engineering applications
  • Autor: Luiz, G. M. ; Oliveira, G. H. M. ; Canto, L. B.
  • Assuntos: Aluminum alloys ; Aluminum base alloys ; Graphene ; Grooves ; Joining ; Lightweight ; Metal surfaces ; Modulus of elasticity ; nanocomposite ; Nanocomposites ; Overmolding ; polyamide ; Polyamide resins ; polymer‐metal hybrid ; Shear strength ; Tensile properties ; Yield stress
  • É parte de: Polymer engineering and science, 2024-02, Vol.64 (2), p.663-674
  • Descrição: Lightweight polyamide composites and structures have been widely studied and employed in several industrial sectors. In this study, the development of a nanocomposite of polyamide 6 and graphene oxide (PA6‐GO) by melt‐compounding and the joining with aluminum alloy AA6061 through direct‐adhesion injection overmolding are addressed. PA6‐GO nanocomposite exhibited well‐dispersed thin (300 nm) GO platelets distributed within the PA6 matrix, which resulted in an increase of 21% in the tensile modulus and 16% in the yield stress for a filler loading of 0.5 wt%. PA6‐GO/AA6061 hybrid joints showed good mechanical anchorage through the complete filling of the polymer into micro‐scale grooves designed onto the metal surface, which ensured outstanding shear strength of 7.1 ± 1.0 MPa, comparable to other polyamide‐metal hybrid joints reported in the literature. This indicates that the processing routes and materials developed are promising for lightweight engineering applications. Highlights A PA6‐GO nanocomposite with enhanced tensile properties was developed. A joint of PA6‐GO and AA6061 with outstanding shear strength was obtained. Fast and efficient melt‐processing routes were employed. These materials are promising for lightweight engineering applications. Development of polyamide 6‐graphene oxide nanocomposite and direct‐joining with aluminum alloy.
  • Editor: Hoboken, USA: John Wiley & Sons, Inc
  • Idioma: Inglês

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