What is Magnesium-Nitride?
Magnesium nitride, is an inorganic compound with the chemical formula Mg3N2. It's part a cubic crystal structure. At normal temperature, pure nutridide is yellow-green However, magnesium nitride that has a portion of impurities of magnesium oxide is grayish white.
The magnesium nitride's molar mass is 100.95g/mol. In terms of density, it is 2.712g/cm3. Magnesium Nitride is totally dissolved in acid and water, however, it is partially dissolvable in the ether and ethanol.
The melting point of magnesium nitride lies at 1500 degrees. Magnesium nitrideis one of the metal nitrides, reacts with water to create ammonia. Commonly used as a catalyst. React with acidic or aqueous nonmetallic oxides to form ammonium salts and magnesium salts.
Magnesium nitride is ceramic in nature. Magnesium Nitride has a high corrosion resistance, and significantly improves the efficiency of production. Magnesium nitride also has high thermal conductivity, aswell being high corrosion resistance as well as temperature resistance. Magnesium nitride has another great importance due to its usage as a catalyst during the creation of boron nitrogen.
What Is Magnesium-Nitride Used For?
1. Used as a catalyst when preparation of nitride compounds from other elements that have high hardness and thermal conductivity. It is also a good choice for corrosion resistance, wear resistance, and very high-temperature resistance. In the first successful creation of cubic boron nitride one catalyst involved was magnesium nitride.
2. Utilized for high-strength steel and smelting additives. Magnesium Nitride (Mg3N2) replaces desulphurized magnesium in construction steel Smelting, which can help in increasing the density strength that, tension and bearing capacity of steel. Furthermore, the usage of magnesium Nitride (Mg3N2) desulfurization can reduce the use of other additivesand help reduce the production costs of construction steel.
3. It is used to prepare special ceramic materials;
4. In the process of making a special alloy foaming agent
5. Glass that is specially made to be used in the manufacturing process;
6. For catalytic polymer crosslinking;
7. To recycle nuclear waste
How to Produce Magnesium Nitride?
The current preparation methods of magnesium nitride are direct reaction method for magnesium powder using nitrogen, method of reaction of the nitrogen with magnesium in nitrogen plasma flow the method of magnesium coil explosion in nitrogen atmosphere Low pressure chemical gas process, self-propagating high temperature method for synthesis, nano magnesium Nitride synthesis method for example.
Recently, G. Soto et al. produced amorphous magnesium-nitride films featuring different Mg:N ratios Si substrates in a molecular nitrogen environment using Deposition using pulses of laser. These methods hinder their production in the industrial sector due to the high price, lengthy process complicated equipment operation or the poor yield of magnesium Nitride.
While the direct reaction of magnesium powder and nitrogen has economic value, the production of magnesium nitride-based powder requires higher temperatures for reaction and a longer reaction times, and the shape of the particles is not clear and easy to aggregate, which doesn't meet standards of industrial quality. In the process of decomposition, NH3 can form Nbreaking bonds quicker than N2 and the decomposed H2 could hinder the formation of MgO. So, ammonia can be used as the nitrogen source. Chen Faqin et al. utilized liquid ammonia as a nitrogen source for the preparation of magnesium nitride powder through direct Nitriding of magnesium powder. The following conclusions could be drawn: With thermodynamic analysis, liquid amonia could react with magnesium powder faster than nitrogen and produce magnesium nitride. Premium magnesium nitride that is high purity and uniform powder particles can be made at 600 and ammonia in 1 hour. It is then heated up to 800, ammonia flow rate of about 500ml/min and an nitriding duration of 1h.
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