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Protocol to construct biomimetic carbon fiber composites with improved interfacial strength
Yufei Wang1, Zhengzhi Mu2, Zhiyan Zhang1
1Key Laboratory of Bionic Engineering, Ministry of Education, Jilin University, Changchun 130022, China.
STAR Protocols
|November 7, 2022
Summary
Inspired by black kite microstructures, this study enhances carbon fiber composites. Biomimetic hook-groove systems improve mechanical properties by functionalizing carbon fibers with zinc oxide nanorods.
Area of Science:
- Materials Science
- Biomimetics
- Composite Materials
Background:
- Weak interfacial strength limits the mechanical performance of carbon fiber-reinforced composites.
- Natural structures offer design principles for advanced materials.
Purpose of the Study:
- To construct a biomimetic hook-groove microstructure system (HGMS) for carbon fiber composites.
- To enhance the mechanical properties of carbon fiber composites through biomimicry.
Main Methods:
- Two-step modification of carbon fibers (CFs) with dopamine and zinc oxide nanorods (ZnO NRs).
- Fabrication of biomimetic composites using vacuum-assisted contact molding (VACM).
- Characterization using standard comprehensive mechanical tests.
Main Results:
- Successful construction of a biomimetic HGMS on carbon fibers.
- Demonstrated enhancement in mechanical properties of the fabricated composites (details in referenced work).
Conclusions:
- The biomimetic HGMS approach effectively addresses weak interfacial strength in carbon fiber composites.
- Biomimicry provides a viable strategy for developing high-performance composite materials.
