What’s magnesium oxide?
Magnesium Oxide is an inorganic compound with the chemical formula MgO. This oxide of magnesium is also known as an ionic substance. It’s a white solid at room temperature. It is found in nature as periclase, which is the raw material that allows magnesium to be smelted.
Magnesium oxide is highly resistant to fire and has insulation properties. Magnesium oxide can be made into crystals by burning it at temperatures above 1000°C. If it is heated to between 1500 and 2000°C it becomes burnt magnesia. The conductivity and mechanical strength of magnesium oxide ceramics is excellent and they can be used for industries like thick film integrated circuits (THFIC), glass-ceramics and microwave media.
A concentrated application of magnesium dioxide in ceramics.
1. For the preparation of molten ceramic particles high-purity magnesia, alumina, it is used with rare earth oxides together as a sintering agent to make silicon nitride Ceramics. The silicon nitride Ceramics can economically and efficiently manufacture complex forms such as seal rings, bearings or cutting tools.
2. Magnesia ceramic Core Preparation
Made magnesia ceramics are not allowed to be used below 1600 F. They also do not react with metals under extreme temperatures. If the casting uses a silicon-based core, there will be many pores and holes on the casting’s surface. You can dissolve sticky sand in low acid. The process is quick and safe. It is possible to experience thermal cracking. The core’s size is extremely precise.
3. Partially stabilized zirconia ceramics are prepared by combining high-purity magnesium dioxide, yttrium or rare earth metallic oxides as stabilizers. It can also be used in high-temperature engineering and advanced materials.
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