Requirements for the use of magnesium oxide in piezoelectric ceramics

Magnesium oxide is a white powdery substance that exists in nature as free magnesite. The main component of magnesite is magnesium carbonate. Magnesium oxide can be used in industries such as chemical, pharmaceutical, electronics, and ceramics.

          Magnesium oxide is a white powdery substance that exists in nature as free magnesite. The main component of magnesite is magnesium carbonate. Magnesium oxide can be used in industries such as chemical, pharmaceutical, electronics, and ceramics.

             Electronic ceramics generally use oxide ceramics. Due to its high surface activity and high-temperature characteristics, magnesium oxide is the main raw material in oxide ceramics. In the research and development of high-purity and high-density magnesium oxide ceramic materials, magnesium oxide, with its own characteristics, uses magnesium oxide with a purity of over 99% as the raw material to ensure the purity of magnesium oxide ceramics. The demand for electronic ceramic specific magnesium oxide is concentrated on piezoelectric ceramics, with a purity requirement of over 99.5%. The preparation of ceramic capacitor dielectric materials has low dielectric loss and good material uniformity, making it suitable for producing large capacity, high insulation resistance, ultra-thin dielectric layer (with a dielectric layer thickness less than 10) μ m) Multilayer ceramic capacitors with an added amount of 0.5-5% are produced by multiple companies in China, including Sichuan and Shanghai, producing piezoelectric ceramics. Functional ceramic specific magnesium oxide has special requirements, such as particle size distribution, crystal structure, fineness, activity, heavy metals, whiteness, iron, wear resistance, high temperature resistance, etc. These can be customized according to specific special requirements.
             High purity, high activity, and high fineness of magnesium oxide specialized for piezoelectric ceramics should be the direction of future development of magnesium oxide. The application of domestic magnesium oxide is also developing towards refinement and specialization. Enterprises must have sufficient technological reserves to cope with the constantly changing demands of the future market.