The polymer is dissolved in a solvent to form a viscous solution, which is then forced through a spinneret to create long, continuous filaments. A controlled oxidation process, either through plasma treatment or exposure to gases like ozone, etches the surface at a microscopic level.
The Carbon Fiber Bicycle Frame Manufacturing Process: From Polymer to Perfection
To solve this, the fibres undergo a surface treatment to increase their roughness and chemical activity. Here, the temperature is ramped up to between 1,500°C and 2,000°C in a meticulously controlled inert atmosphere, typically involving nitrogen or argon.
Heat causes the fibres to oxidize, creating cross-links that prevent the strands from melting when exposed to extreme heat later. Automated systems use sophisticated sensors and imaging to detect defects such as voids, misaligned fibres, or surface irregularities.
The Carbon Fiber Bicycle Frame Manufacturing Process: From Polymer to Carbonized Fiber
Alternatively, routes using coal or petroleum pitch exist, but PAN remains the dominant standard due to its uniformity and resulting mechanical properties. Carbonization in an Oxygen-Free Environment With stabilization complete, the spools move to a carbonization oven, the heart of the transformation.
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