Melting mullite improves thermal shock resistance of alumina crucible

Alumina crucible is one of the commonly used high temperature materials, widely used in the production process of molten metal and ceramic materials. However, the alumina crucible has the risk of thermal shock cracking at high temperature, which severely limits its service life. In order to solve this problem, scientists have found that the thermal shock resistance of alumina crucible can be improved by using electromelting mullite.

Fused mullite is a high-temperature material composed of elements such as calcium, magnesium, aluminum and silicon. The thermal shock resistance of alumina crucible can be greatly improved by mixing electromelting mullite with alumina and firing it. Because fused mullite has good thermal shock resistance and chemical stability, it can form a more stable compound with alumina, so that the alumina crucible can withstand higher temperature gradients and mechanical stresses.

In general, melting mullite is an effective method to improve the thermal shock resistance of alumina crucible. With the continuous development of science and technology, this technology will also become more and more mature and popular, promoting the development and progress in the field of high-temperature materials.