Graphites manufacturing processes

FIGURE 2.53 Schematic of a typical step-by-step PAN-based graphite manufacturing process. 

Fig. 5.2 Main steps of the synthetic and natural graphite manufacturing process...

Aerospace and nuclear reactor appHcations of graphite demand high reHabiHty and reproducibiHty of properties, physical integrity of product, and product uniformity. The manufacturing processes require significant additional quaHty assurance steps that result in high cost. 

FT300, C6000, and AS4 are intermediate modules (30-40 msi) PAN-based graphite fibers Processed at the Langley Research Center using manufacturers recommended cure cycle... 

To achieve the goal of required performance, durability, and cost of plate materials, one approach is improvement of the control of the composition and microstructure of materials, particularly the composite, in the material designing and manufacturing process. For example, in the direction of development of thermoplastics-based composite plate, CEA (Le Ripault Center) and Atofina (Total Group) have jointly worked on an irmovative "microcomposite" material [33]. The small powders of the graphite platelet filler and the PVDF matrix were mixed homogeneously by the dispersion method. The filler and matrix had a certain ratio at the microlevel in the powder according to the optimized properties requirements. The microcomposite powders were thermocompressed into the composite plate. 

Grangeon, A. 1987. Monolithic ultrafiltration or microfiltration module made of carbon or porous graphite and its manufacturing process. French Patent 2,585,965. 

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