Related Experiment Video
Updated: Jan 4, 2026
09:38
Strain Sensing Based on Multiscale Composite Materials Reinforced with Graphene Nanoplatelets
Published on: November 7, 2016
9.1K
Reinforcement of Epoxy Composites with Graphite-Graphene Structures
1Yuri Gagarin State Technical University of Saratov, Polytechnichskaya St., 77, 410054, Saratov, Russia. Mostovoy19@rambler.ru.
Scientific Reports
|November 9, 2019
Summary
Adding small amounts of thermally expanded graphite-graphene structures to epoxy composites enhances their physical and mechanical properties. This additive also improves thermal, fire, and heat resistance, along with thermal conductivity.
Area of Science:
- Materials Science
- Polymer Chemistry
Background:
- Epoxy composites are widely used but often require property enhancement.
- Controlling the operational properties of epoxy composites is crucial for advanced applications.
Purpose of the Study:
- To investigate the effect of thermally expanded graphite-graphene structures on epoxy composite properties.
- To determine the optimal content of thermally expanded graphite for property enhancement.
Main Methods:
- Incorporation of small additives of thermally expanded graphite-graphene structures into epoxy composites.
- Evaluation of the impact on structure formation and physico-mechanical properties.
- Assessment of thermal, fire, heat resistance, and thermal conductivity.
Main Results:
- Directional control of operational properties of epoxy composites was achieved.
- A rational content of 0.05 parts by mass of the additive was identified.
- Significant increases in physico-mechanical properties, thermal, fire, and heat resistance were observed.
Conclusions:
- Thermally expanded graphite-graphene structures are effective in enhancing epoxy composite performance.
- The study established the influence of thermally expanded graphite on epoxy composite structure formation.
- Optimized epoxy composites exhibit improved thermal conductivity and resistance properties.
Related Concept Videos
01:25Reinforcements in Concrete
388
Reinforced concrete is a composite material used extensively in construction, combining the compressive strength of concrete with the tensile strength of steel. This synergy is essential as concrete, while excellent at resisting compression, is weak under tension. Steel bars, or rebars, are embedded in the concrete to handle these tensile forces. The choice of steel is strategic; it shares a similar coefficient of thermal expansion with concrete, which ensures uniformity in response to...
388
01:22Fiber Reinforced Concrete
299
Fiber-reinforced concrete significantly enhances the structural and nonstructural properties of traditional concrete by incorporating fibers like steel, glass, and polymers. These fibers, varying from natural ones such as sisal and cellulose to manufactured ones like polypropylene and Kevlar, are mixed into hydraulic cement with aggregates. Steel fibers, often preferred for their robustness, contribute to improved ductility, toughness, and post-cracking performance. The concrete is classified...
299
02:18Network Covalent Solids
15.9K
Network covalent solids contain a three-dimensional network of covalently bonded atoms as found in the crystal structures of nonmetals like diamond, graphite, silicon, and some covalent compounds, such as silicon dioxide (sand) and silicon carbide (carborundum, the abrasive on sandpaper). Many minerals have networks of covalent bonds.
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
To break or to melt a covalent network solid, covalent bonds must be broken. Because covalent bonds are relatively strong, covalent network solids are typically...
15.9K