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Tensile Properties of a Novel Graphene Pattern Stitched Carbon/Epoxy 3D Composite

机译：新型石墨烯图案的拉伸性能缝合碳/环氧3D复合材料

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The focus of this study is on the tensile properties of a novel graphene pattern stitched carbon/epoxy 3D composite which could be considered in aerospace industry applications. Tensile modulus and strength are reduced by 18-25% due to filament breakage during stitching; this reduction varies with stitching density. Fabrication induced voids and resin rich regions also contribute. However, extensive delamination observed in the tension loaded unstitched laminate is constrained by the graphene pattern stitching and the proposed 3D reinforced composite is expected to be more damage resistant under lateral impact loading.
机译：本研究的重点是新颖的石墨烯图案的拉伸性能缝合碳/环氧3D复合材料，可在航空航天工业应用中考虑。由于缝合期间的长丝破损，拉伸模量和强度降低了18-25％;这种减少随着缝合密度而变化。制造诱导的空隙和树脂富株也有助于贡献。然而，在张紧的张紧的未缝合层压板中观察到的广泛分层受到石墨烯图案缝合的约束，并且预期所提出的3D增强复合材料在横向冲击载荷下耐损坏。

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