Carbon fiber reinforced nylon is very different from glass fiber reinforced nylon. Carbon fiber is not resistant to shearing. In the design of screw combination, it is necessary to ensure that the shearing force is appropriate, so that the fiber length is within the required size range. In the melting zone, it is necessary to ensure that the nylon is fully melted, and the kneading elements should be appropriately reduced in the kneading zone to ensure that the carbon fiber has a certain length to produce a better reinforcement effect. In twin-screw extrusion, under the premise of ensuring that the carbon fiber is well dispersed in the nylon matrix, it should be ensured that the carbon fiber has a large aspect ratio to maximize the reinforcing effect of the carbon fiber.
Carbon fiber is one of the materials with comprehensive comprehensive properties, and its price is relatively expensive. The use of carbon fiber reinforced nylon not only improves many properties of nylon, but also increases the cost and processing difficulty of finished products. Therefore, in the case of satisfying the conditions of use and design margins, there is an economical amount of carbon fiber added.
1. US MX missile 40% carbon fiber reinforced nylon instead of aluminum alloy engine casing
2. The barrel of the gun has the advantages of light weight, not easy to deform, less vibration, and longer barrel life
3. The expansion clip, using PA6 LCF, increases the capacity of two bullets
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