Impact and post-impact flexural property of 3D five-directional braided carbon/glass hybrid epoxy composites

Author:

Fang Dandan12,Yan Jianhua1,Gu Bohong1ORCID,Sun Baozhong1ORCID

Affiliation:

1. Shanghai Collaborative Innovation Center of High Performance Fibers Composites, College of Textiles, Donghua University, Shanghai, China

2. College Textiles & Clothing, Xinjiang University, Urumqi, China

Abstract

The impact property and residual flexural property of three-dimensional (3D) five-directional braided carbon/glass hybrid epoxy composites were studied. Four kinds of arrangement for carbon fiber and glass fiber in the axial yarn were designed. Taking pure carbon fiber composites (C/Ca) as the control, the rest of arrangements were that glass fiber and carbon fiber alternately arranged at the width direction (C/G1), glass fiber and carbon fiber alternately arranged at the thickness direction (C/G2), and only glass fiber appeared at the axial yarn (C/G3). Results showed that the C/G2 composite has higher impact energy absorption capacity, and the C/G1 composite has higher impact stress. The flexural properties of C/Ca composite are the best and that of C/G3 composite are the worst before impacting. This study is helpful for the structural design of composites in specific occasions.

Funder

The Fundamental Research Funds for the Central Universities

Major special projects of “scientific and technological innovation 2025” in Ningbo

National Natural Science Foundation of China

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

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