Ceramic material is an indispensable material in people's daily life and modernization. It is one of the most important inorganic non-metallic materials after non-metallic materials. Nowadays, people attach great importance to it and play an important role in the future social development.
1. Ordinary ceramic materials
It is made of natural materials such as feldspar, clay and quartz, which are typical silicate materials and fired at high temperature. Those with rich and diverse sources, low cost and mature technology can also be divided into daily-use ceramics, chemical ceramics, architectural ceramics, artistic ceramics, etc.
2. Special ceramic materials
It is made of highly synthetic raw materials, formed and sintered by accurately controlled technology, and has some special properties to meet various needs. Its main components are oxide ceramics, cermet and so on. According to different uses, it can also be divided into structural ceramics and functional ceramics.
(1) Functional ceramics
Non mechanical materials are mainly used in applications and usually have one or more functions, such as electricity, magnetism, light, thermochemistry and biology. Functional ceramics are ceramic materials used in electromagnetic fields, such as solar cells.
(2) Structural ceramics
There are four kinds of alumina ceramics, silicon nitride ceramics and silicon carbide ceramics, which are mainly used to manufacture structural parts. It has the characteristics of high temperature resistance, wear resistance and oxidation resistance.