What is Magnesium Nitride

What is Magnesium-Nitride?

Magnesium nitride, is an inorganic compound that has the chemical formula Mg3N2. It is part of the Cubic Crystal System. At temperatures at room temperature, pure magnesium nutridide is yellow-green however magnesium nitride, which has parts of magnesium oxide impurities is grayish white.

The molar mass of magnesium nitride is 100.95g/mol. Its density is 2.712g/cm3. Magnesium nitride is completely dissolved in water and acid, but it is partially dissolved in alcohol and ethanol.

The melting temperature of magnesium nitride ranges from 1500 to 1500 degrees. Magnesium nitrideis one of the metal nitrides water to make ammonia. A catalyst is often employed. React with acid or nonmetallic oxides and form ammonium salts as well as magnesium salts.

Magnesium Nitride is a kind of ceramic nature. Magnesium is abrasion-resistant material that has excellent resistance and greatly enhances the efficiency of production. Magnesium has high thermal conductivity, aswell having a high resistance to corrosion and resistance to temperature. Magnesium is also of great importance due to its usage as a catalyst in the production of boron-Ni.

What is Magnesium Nitride Used For?

1. As a catalyst, it is used to prepare the nitride of other elements with high hardness and thermal conductivity. It is also a good choice for corrosion resistance, wear resistance and extreme temperature resistance. The first successful creation of cubic boron nitride this catalyst is magnesium nitride.

2. It is used for steel with high strength for smelting. Magnesium nitride (Mg3N2) replaces magnesium desulphurized in construction steel in smelting. This helps to improve the density, strength that, tension and bearing capacity of steel. In addition, the application of magnesium Nitride (Mg3N2) desulfurization can reduce the amount of additives, thus helping to lower the cost of manufacturing construction steel;

3. Utilized to make special ceramic materials;

4. To make a special alloy foaming agent;

5. For the production of special glass

6. For catalytic polymer crosslinking;

7. To recycle radioactive waste

How to Produce Magnesium Nitride?

Presently, the primary preparation methods of magnesium nitride involve direct reaction method for magnesium powder using nitrogen, method of reaction of magnesium with nitrogen in nitrogen plasma flow as well as the method for the explosion of magnesium coils in nitrogen atmosphere low pressure chemical gas as a complementary product method, self propagating high temperature synthesis technique, the synthesis of nano magnesium as well as other methods.

Recently, G. Soto et al. have prepared amorphous magnesium nutride films featuring different Mg:N ratios Si substrates in a molecular nitrous environment using pulse laser deposition. These methods are limited in their production in the industrial sector due to costs, lengthy processes, complex equipment operation, or low yields for magnesium nitride.

While the direct reaction of magnesium powder in nitrogen has industrial benefits, the process of magnesium nitride powder needs more reaction temperatures and a longer response time. In addition, the shape of the particles are not ideal and easy to agglomerate, that is not able to meet the specifications of industrial quality. N3 can be broken into Nand N2 - with broken bonds more easily than N2, and decomposed H2 may hinder the formation of MgO. This is why ammonia could be used as the nitrogen source. Chen Faqin et al. used liquid ammonia as nitrogen source for the preparation of magnesium nitride in the form of powder via direct nitriding of magnesium powder. The following conclusions could be drawn: Based on thermodynamic analysis, liquid ammonia may react with magnesium powder more easily than nitrogen in the preparation of magnesium nitride. magnesium nitride that is consistent and high purity particles is prepared by heating to 600 and an ammonia atmosphere for 1 hour, and then heated to 800, ammonia flow rate is 500ml/min. the time for nitriding of 1h.

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