Carbon carbon composite grades
CC composite for high temperature furnace and friction components
Mersen has developed a wide range of Carbon/Carbon composite structures in response to the various types of carbon tissues or fibres, and joining methods:
- 3D or 2.5D composite materials joined by needling
- 2D composite materials joined with a resin
3D or 2.5D composite materials joined by needling
Grades A252 and AM 252
Continuous fibre carbon tissues are joined together using a needling technique. A pyrocarbon infiltration process enhances the material strength. This process yields composite structures which are then used to produce cylindrical or plane electric heaters.
The AM252 variant uses a multiaxial continuous fibre tissue. It is used to improve the mechanical strength of the composite in the manufacture of high temperature threaded fasteners or structural components in ovens.
Grade A412
A mat is produced by a mechanical joining process using a carbon felt and short carbon fibres. It is then infiltrated with pyrocarbon. The resulting material is very strong, with low porosity. It can be precision machined owing to a very fine structure. Ideal for high precision, high temperature threaded fasteners.
Grade A035
This grade consists of long fibres distributed randomly in all directions, then densified with a pyrocarbon matrix. It offers almost isotropic thermal properties. It is a material of choice for nuclear fusion type applications.
Grade A412N
A composite specially designed to reinforce thermal conductivity. This material is ideal for heat dissipation at a high temperature, especially innuclear fusion applications.
2D composite materials joined with a resin
Grade A220
Continuous carbon fibre fabrics are joined by adding a resin. Once bonded with this carbonised resin, the structure is reinforced by pyrocarbon infiltration. This process can be used to producemore complex shapes such as cylinders, U or L shapes…