Titanium Carbide overview and its application

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Titanium Carbide: An Introduction The chemical formula of Titan carbide TiC is a gray, metal-like, solid with a face centered cubic lattice. Its molecular weight (59.89) is also a TiC. The melting temperature of titanium carbide ranges from 3140+90degC to 4820degC. Its relative density is 4,93 and its hardness is higher than 9.
Titanium carbide, while insoluble in water is soluble with nitric acids and aqua regia. It is stable when the temperature is below 800. However, when the temperature is above 2000 it will be corroded.
Carbonized TiO2 and TiO2 powders are heated in electric furnaces to 2300-2700degC.
Titanium carbide, which can be used as an abrasive and electrode for arc lights and hard alloys can be made.
Titan carbide can be prepared in several different ways
Reduce carbothermic toxicity using a reduction method
Use carbon black to reduce the TiO2 – the temperature range for this reaction is between 1700 and 2100. The chemical reaction formula:
Direct Carbonization
Ti powder and carbon dust react to form TiC. The chemical reaction formula: Ti(s),+C(s),=TiC. The application of this method will be limited because it’s difficult to make sub-micron Ti powder. The reaction above takes between 5 and 20 hrs to complete. The reactants agglomerate and further grinding is needed to obtain fine particles. Granular TiC powder. After ball milling, it is important to chemically purify the fine Powder to get a purer product.
Chemical vapor deposition
The reaction between TiCl4, and H2 and C is used in the synthesis of the monofilament. TiC The monofilament is soaked with crystals. This method is limited in its production and quality of the TiC powder. It is important to be cautious when synthesizing TiCl4 because the HCl it contains can be very corrosive.
Microwave method
Use microwave energy to heat nano-TiO2 and carbon as raw materials. The dielectric loss in the high frequency electric field is used to convert microwave energy into heating energy.
Blast impact method
Preparing the precursor requires mixing the titanium dioxide powder with the carbon powder in a specific proportion. The powder density is set at 1.5g/cm3, the outer cylinder is made of metal, and the laboratory placed inside. It is then placed in an airtight container made by yourself for the experiment. The detonation powder will be collected after the shock wave. After sieving the black powder, impurities like iron filings and large particles are removed. After soaking in aqua regia overnight, the black powder is turned brown. The powder is then put into an muffle furnace for 400degC and calcined 400 minutes.

High-temperature self-propagating synthesis
(SHS) SHS is derived by an exothermic process. The fine-grained Ti is highly reactive when heated at the right temperature. The combustion wave produced after ignition will pass through Ti and the C reactants, and the reaction heat generated by Ti and the C will generate TiC. SHS has a reaction time of less than one second. The synthesis requires fine, high-purity Ti powder for the raw material and output is limited.
Reaction ball grinding technique
The reactive ball milling technique is a method that utilizes the chemical reactions between metal powder or alloys and other elements in the ball grinding process to create the required materials. Reactive ball milling is used primarily to produce nanocrystalline material. The high-energy mill is the primary equipment for nanomaterial preparation. The reaction ball grinding mechanism can be categorized into two categories. One is the mechanically induced high-temperature self-propagating synthesis (SHS), while the other is the reaction ballmilling with no obvious exotherm and a slow reaction process.
Uses of titanium carbide
1. Use as an additive for metal bismuth and zinc melting crucibles and to prepare HDD large capacity memory devices and wear-resistant semiconductor films.
2. This is a component of cemented carburide used as a steelmaking deoxidizer.
3. As cermet it is known for its high hardness, corrosion-resistance, and thermal stability.
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