Preparation and compression mechanical properties of carbon fiber/epoxy nanoparticle composites

Author:

Zhong Xiangyu1ORCID,Zhang Lianwang1,Bao Jianwen1,Li Weidong1,Liu Hansong1,Dong Botao1

Affiliation:

1. AVIC MTI Composite Technology Center, AVIC Composite Corporation Ltd., National Key Laboratory of Advanced Composites, Beijing, China

Abstract

In this work, the epoxy resin cured with chlorinated fluorene amine as the curing agent was obtained, which significantly increased the resin modulus and did not reduce the impact toughness, compared with the common curing system. Al2O3 nanoparticles were used to stiffen the new curing epoxy system, which did not reduce the compression strength of the resin but increased the compression modulus. The microscopic morphology showed that the rigid particles were uniformly dispersed in the resin matrix, and the addition of rigid particles mildly affected the reactional and rheological properties of the resin system. The minimum viscosity of the matrix increased with the additional number of particles. The composite was prepared using the nanoparticle-modified epoxy resin with carbon fiber (CF), and the compression strength of the composite was significantly improved by nearly 30% compared with that composed of the common epoxy system.

Publisher

SAGE Publications

Subject

Materials Chemistry,Organic Chemistry,Polymers and Plastics

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