Synthesis and Modification of Magnesium Ceramic

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magnesium ceramic is a specialty material with desirable physicochemical properties and biological benefits. This article explains the synthesis of magnesium ceramic particles with specific morphologies and discusses modification techniques to enhance their biomedical applications. magnesium ceramics are used in vascular stents to promote re-endothelialization and tissue regeneration, as well as in abrasion resistant coatings for industrial machinery. The synthesis of these particles allows researchers to select the best synthetic conditions for achieving the desired morphologies, and provides a platform for future studies to be conducted.

The magnesium oxide MgO, also known as magnesia, is an alkaline earth metal oxide with high melting point and sintering temperature, which makes it a valuable ceramic material. It is an excellent refractory for thermal engineering, especially for furnace linings. It is also a very effective binder for alumina ceramics, where it lowers the effect of glass thermal expansion on the sintering temperature and reduces grain growth, which improves denseness.

Among the magnesium compounds, the heptahydrate of the magnesium nitrate Mg (NO3) 2 H2O is known as mineral epsomite. This colorless, hygroscopic salt is soluble in water and has a monoclinic rhombic pseudotetragonal crystal lattice. It is often used as fertilizers and for latent heat storage.

The magnesium nitrate Mg (NO3)2 H2O can be converted to the magnesia alumina spinel powder by calcination at 800°C. The alumina spinel powder has the median particle size of 10 m m left and right. The magnesium oxide can be added to the alumina core casting stainless steel to improve the core performance, such as the sintering temperature and density, and inhibit grain growth.