Ceramic rolls for rolling of steel foils

High hardening of the steel, which is caused by martensitic transformation through cold forming, leads to significant local elastic roll deformation (flattening). The rolling strain-hardened steel requires higher forces and torques, result in high force. Roll flattening can be reduced using rolls made a material with significantly modulus elasticity. suitability ceramic materials for modern hot mills was examined. tests silicon nitride were carried out two-high stand coilers. industrial applications thin foils 20-high Sendzimir mill consistently showed excellent applicability this material. A review conducted research has shown that use work minimizes reduction force