Basic methods for the processing of ceramic materials Ceramic materials usually require the cutting, grinding, grinding and polishing processes to produce the required parts. Grinding and polishing processing is a super-finishing method that uses a free abrasive to finely remove the surface material to be processed to achieve a processing effect. In the ultra-finishing and finishing of ceramic materials, especially in the precision machining of ceramic balls for ceramic bearings, grinding and polishing have an irreplaceable position.
From the viewpoint of the removal mechanism of the material, the grinding process is a processing method between the brittle fracture and the elastic removal of the zirconia ceramic, and the polishing process is basically performed within the elastic removal range of the material.
Grinding and polishing processing Due to the small removal amount of zirconia ceramic material and low processing efficiency, it is generally only used in the final process of super-finishing of zirconia ceramics.
The removal rate of the zirconia ceramic material polished and polished has a great relationship with the toughness of the zirconia ceramic material. The higher the toughness of the zirconia ceramic, the lower the processing efficiency of the zirconia ceramic.
In general, the use of a flat polishing machine for polishing alumina ceramics is made by thickening the iron plate and then polishing with a white cloth, but this efficiency is very slow, and it usually takes 30-40 minutes for the white cloth to be polished to reach the desired mirror surface. . Optical materials such as optical glass and sapphire, semiconductor materials such as silicon wafers and GaAs substrates, and mirror-finished ceramic materials such as zirconia ceramics and alumina ceramics are mostly processed by grinding and polishing.
The above zirconia ceramics can be processed to achieve the mirror effect. The zirconia ceramic is an inorganic non-metallic material sintered by high temperature, which has the advantages of high temperature resistance, corrosion resistance, wear resistance and thermal shock resistance. You can understand this process together with the process of sintering the zirconia ceramics we mentioned last time.
