Material Description
Carbon fiber-filled resins are composite materials that combine the lightweight and high-strength properties of carbon fibers with the versatility of polymer resins. These materials typically consist of carbon fibers, often in the form of continuous filaments or chopped fibers, embedded within a resin matrix, which is commonly epoxy or thermoplastic-based. The carbon fibers impart exceptional mechanical properties to the composite, including high tensile and flexural strength, stiffness, and resistance to fatigue. Carbon fiber-filled resins also exhibit a low coefficient of thermal expansion, making them suitable for applications in extreme temperature environments. They possess excellent corrosion resistance and electrical conductivity due to the inherent properties of carbon. The ratio of carbon fiber to resin can be adjusted to tailor the material properties, allowing for a wide range of applications across industries, such as aerospace, automotive, sporting goods, and construction. These composites are valued for their ability to provide lightweight, high-performance solutions where the combination of strength and reduced weight is critical.
Common Industry Applications
In the automotive industry, carbon fiber-filled resin vacuum casting is used to manufacture lightweight, high-strength components for electric vehicles, especially for chassis and structural elements.
Sub-Processes
Vacuum Casting
| Density (g/cm³) | Tensile Yield Strength (MPa) | Young's Modulus (GPa) | Hardness (Shore D) | Thermal Conductivity (W/m·K) | Thermal Expansion Coeff (10^-6/°C) | Specific Heat (J/g·°C) | Electrical Conductivity (S/m) |
|---|---|---|---|---|---|---|---|
| Varies | Varies | Varies | Varies | Varies | Varies | Varies | Varies |
Design Recommendation
Vacuum casting with carbon fiber-filled resins requires special consideration due to the abrasive nature of carbon fibers. Use high-strength molds to withstand the wear and tear caused by these fibers. Precise temperature control and degassing are vital to achieving the desired part quality. Proper handling and safety measures are also crucial when working with carbon fibers.
Cost Saving Tip
Achieving cost savings with carbon fiber-filled resins begins with precise measurement and mixing to maximize the strength-to-weight ratio of the final product. Investing in durable molds designed for multiple castings reduces the need for frequent mold replacements, which can be a significant expense. Proper mold maintenance is essential to ensure longevity and cost-effectiveness.
