Alumina ceramic molding processes include dry pressing, isostatic pressing, hot die casting, injection, grouting, and cast molding. Depending on the molding process, the powder must be treated in advance, such as dry pressing and isostatic pressing. Granulation first, injection molding must be formulated into slurry.
A good alumina ceramic sintering system, a good sintering system can obtain ceramics with higher density, lower porosity, and stronger mechanical properties. A good heating curve can drain the glue and water in the embryo body. It can also shorten the firing time. At present, the main sintering systems are atmospheric sintering, pressure sintering, atmosphere sintering, and reaction sintering.