How to produce titanium nitride?

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Direct nitridation of titanium powder or TiH2:

The stoichiometric titanium nitride powder can be obtained by nitriding titanium powder in nitrogen or hydrogen atmosphere at 1273 ~ 1673K for 1h and repeated operation several times after the product is crushed.

2Ti+N2=2TiN.

 

It can also be nitrided with metal hydride TiH2, which can react below 1273K, and the equation is as follows:

2TiH2+N2=2TiN+2H2.

 

The advantage of this method is that it is easy to operate and high quality titanium nitride powder can be obtained, but the disadvantage is that the price of raw materials is too high to batch production, and this process is easy to produce powder sintering phenomenon, resulting in loss.

 

TiO2 carbothermal reduction nitridation method:

The carbothermal reduction nitridation method of TiO2 uses TiO2 as raw material, carbonaceous graphite as reductant and reacts with N2 to form TiN. The synthesis temperature is 1380 ~ 1800 and the reaction time is about 15h. In this reaction environment, carbon reacts not only with oxygen, but also with titanium to form TiC, because the crystal lattices of titanium carbide, titanium nitride and titanium oxide are very close, and they are easy to form a solid solution.

 

The purity of TiN obtained by this method is generally not high, and the content of O and C is on the high side. In order to obtain TiN with low content of O and C, higher reaction temperature and longer reaction time are needed.

 

Microwave carbothermal reduction method:

Microwave carbothermal reduction is a redox reaction with inorganic carbon as reducing agent at higher temperature. The specific operation is as follows: using titanium oxide as raw material, heating carbon by microwave until the temperature reaches 1200 , and keeping the reduction reaction at this temperature for 1 h, the titanium nitride powder is obtained.

 

Compared with the conventional method, the titanium nitride powder prepared by this method has the advantages of high purity, low synthesis temperature (100 , 200 lower than the original) and short period (1pm 15 of the conventional method).

 

Chemical vapor deposition:

The chemical vapor deposition method uses gaseous TiCl4 as raw material and H2 as reducing agent to react with N2 to form TiN. The synthesis temperature is 1100 ~ 1500 . This process is often used for coatings on metal and ceramic surfaces to enhance the hardness and wear resistance of ceramics and metals.

 

This kind of synthetic TiN has high purity, but low production efficiency and high cost. This process is a common method to coat TiN film on the surface of metal, ceramic and other articles to make it beautiful.

 

Self-propagating high temperature synthesis:

Self-propagating high temperature synthesis is also called combustion synthesis. In this method, the titanium powder (billet) is ignited directly in nitrogen (limiting a certain pressure), and the titanium powder is burned in nitrogen to obtain TiN products. This process has been widely studied and commercialized in Russia, the United States and Japan.

 

Mechanical alloying method:

The mechanical alloying method is to put titanium powder in the system of ammonia or nitrogen and use high-energy ball mill to make them interact with each other under the strong collision and agitation of grinding balls to obtain nano-titanium nitride. this is a new synthesis method. In China, Liu Zhijian and others use TiH1.924 powder instead of Ti powder to react with nitrogen. By using this high-energy ball milling process, after 100h high-energy ball milling in flowing ammonia, almost all TiH1.924 is converted into TiN, and the conversion rate has been greatly improved. And Zhou Li and others later used the same method to prepare nano-titanium nitride powder, and the reaction time was only 9 h.

 

Molten salt synthesis method:

Molten salt synthesis method has not been reported in the preparation of titanium nitride, but the preparation of titanium nitride by this method is a good research direction. In this method, the low melting point molten salt is used as the reaction medium, the reactants can be dissolved in the molten salt, and the whole reaction is completed in the atomic environment. After the reaction is completed, the salt can be dissolved and filtered with a suitable solvent to get the product.

 

The product obtained by this method has the advantages of high purity, simple operation, short reaction time, no stringent requirements on reaction temperature, easy to control the morphology and particle size of the product, and no agglomeration.

 

Sol-gel method:

The sol-gel method is to mix the reactants evenly in the liquid phase, and then carry out the process of hydrolysis and condensation, and the reactants will form a transparent sol in the solution, which will form a gel after aging and slow polymerization. the gel is dried and solidified to get the materials we need.

 

Some organic solvents used in this method have toxic side effects and do some harm to the human body.

 

Titanium Nitride Price

The price is influenced by many factors including the supply and demand in the market, industry trends, economic activity, market sentiment, and unexpected events.

If you are looking for the latest Titanium Nitride TiN price, you can send us your inquiry for a quote. (sales1@rboschco.com)

 

Titanium Nitride Supplier

RBOSCHCO is a trusted global chemical material supplier&manufacturer with over 12-year-experience in providing super high-quality chemicals and nanomaterials. The company export to many countries including the USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Azerbaijan, Belgium, Cyprus, Czech Republic, Brazil, Chile, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, Germany, France, Italy, Portugal, etc.

As a leading nanotechnology development manufacturer, RBOSCHCO dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges.

 

If you are looking for Titanium Nitride TiN powder, please send an email. (sales1@rboschco.com)


As the Russia-Ukraine conflict continues to develop, there is growing concern about the potential disruption of Russia's energy supply. Geopolitical premiums have pushed up the price of crude oil and natural gas, and the energy price is expected to remain high in the short term. Affected by this, the market price of the titanium nitride may keep rising.

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