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The performance advantages of carbon fiber core rods stem from the composite characteristics of carbon fiber and resin. Compared with traditional metal core rods (such as steel cores, aluminum cores) or glass fiber core rods, they have significant differential advantages:
Lightweight and high-strength: The density is only about 1/4 - 1/5 of that of steel and about 2/3 of that of aluminum, but the tensile strength can reach 3 - 5 times that of steel. The specific strength (strength/density) far exceeds that of traditional materials, enabling it to reduce the structural weight while ensuring the load-bearing capacity. High stiffness and fatigue resistance: It has a high elastic modulus (about 1/2 that of steel, but with a lower density and better specific stiffness). It is not prone to fatigue deformation or fracture when subjected to alternating loads for a long time, and has a long service life.
Excellent corrosion resistance: The resin matrix can isolate air, moisture, and acid-base media, preventing the carbon fiber from being corroded. It is suitable for harsh environments such as coastal areas, humid areas, or chemical industries.
Good insulation: The resin and carbon fiber themselves (without conductive modification) have insulating properties, eliminating the need for additional insulation treatment. It is especially suitable for high-voltage scenarios in the power industry. Low coefficient of linear expansion: It has good thermal stability, with small dimensional deformation when the temperature changes. It can reduce the structural stress caused by thermal expansion and contraction, and is suitable for outdoor environments with large temperature differences.
