How to deal with surface defects of carbon fiber products?
Release time:
2024-07-16 13:45
Source:
Carbon fiber porosity has a professional term used to summarize the penetration effect of carbon fiber products. If the porosity is too high, the resin content exceeds the standard or is unevenly distributed
The appearance of carbon fiber is usually smooth, and few people may see rough parts. Carbon fiber may have white spots, bubbles, pores, pits and other defects on the surface after molding, which need to be processed through a series of treatments before delivery.
What are the causes of surface defects in carbon fiber products?
Carbon fiber products are mainly customized processing, involving a wide variety of molds, most of which use molding processes. In the processing stage, defects such as white spots, bubbles, pores and pits may appear.
The specific reasons are as follows:
1. Vacuum leakage: vacuum bag damage, sealing tape is not in place, poor mold sealing, etc;
2. Incomplete penetration: the resin gel time is too short, the viscosity is too high, the carbon fiber precursor is too thick, the resin content is too small, the resin overflows too much, etc., resulting in insufficient carbon penetration of fibers;
3. Operational errors: During the processing, the heating is too fast, the pressure is too fast, the pressure is too early, the heat preservation time is too short, the temperature is too high, and the operation problem leads to insufficient molding of carbon fiber products.
Do surface defects affect the use of carbon fiber products?
Excessive surface defects of carbon fiber products are not necessarily proportional to the quality, but carbon fiber products are usually used in the manufacturing industry and have higher requirements for performance and appearance. Excessive defects will affect normal delivery. In addition, many defects, many pores, and many cracks will affect the performance of carbon fiber products. Carbon fiber porosity has a professional term used to summarize the penetration effect of carbon fiber products. If the porosity is too high, the resin content exceeds the standard or is unevenly distributed. In actual production, the operation must be standardized to avoid this kind of situation.
How to deal with surface defects of carbon fiber products?
Surface defects of carbon fiber products are a common phenomenon. Most of them can be processed and repaired. As long as the production process is normal, the yield of good products will not be too low.
For defective carbon fiber products, they can be polished, cleaned and sprayed without affecting performance to eliminate defects and ensure a clean appearance. The process flow includes water grinding, primer coating, intermediate coating, top coating, grinding and polishing, and repeated spraying and polishing to ensure that the appearance of carbon fiber meets the delivery standard.
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How to deal with surface defects of carbon fiber products?
Carbon fiber porosity has a professional term used to summarize the penetration effect of carbon fiber products. If the porosity is too high, the resin content exceeds the standard or is unevenly distributed
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