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 59.89. 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. When the titanium carbide is below 800, it will be stable in air. However, when it reaches 2000 it will be corroded.
Carbonized TiO2 or TiO2 powder is produced by heating TiO2 in an electric oven to 2300-2700degC.
Titanium carbide, which can be used in the manufacture of hard alloys as well as for electrodes and abrasives used in arc lights, can be used.
Titan carbide can be prepared in several different ways
Reduce carbotherms using a reduction method
The reaction temperature range for carbon black is between 1700 and 2100 degrees Celsius. 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, the fine powder needs to be chemically purified to produce a pure product.
Chemical vapor deposition
The method uses the reaction between TiCl4, and H2 and C. TiC The monofilament is soaked with crystals. The TiC produced by this method is subject to strict limitations on output, and in some cases even quality. It is important to be aware that the HCl in TiCl4 as well as its product can be highly corrosive.
Microwave method
Use microwave energy to heat nano-TiO2 and carbon as raw materials. The dielectric loss in the material 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 shockwave. After sieving the black powder, impurities like iron filings and large particles are removed. After being soaked in Aqua Regia for 24hours, the black powder is turned brown. The powder is then placed into a muffle and calcined 400degC (400 minutes) to get a silver-gray color.

High-temperature self-propagating synthesis
(SHS) SHS is a method that derives from an exothermic chemical reaction. When heated at the right temperature, fine-grained Ti Powder has a high degree of reactivity. 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 reaction of metal or alloy powder with other elements or compounds during the ball milling to prepare required materials. Reactive ball milling is used to produce nanocrystalline material primarily using a high energy ball mill. The reaction ball grinding mechanism can be divided in two categories: the first is the mechanically induced high-temperature self-propagating synthesis reaction (SHS), while the second 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 an essential component of cemented carburide, which is used in the steelmaking process as a oxidizer.
3. As a cermet it is known for its high hardness, corrosion-resistance, and thermal stability.
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