What are the application fields of titanium carbide TiC powder?

Titanium carbide, chemical formula TiC, has a molecular weight of 59.89. Gray metallic face-centered cubic lattice solid. The melting point is 3140±90℃, the boiling point is 4820℃, and the relative density is 4.93. Hardness is greater than 9. Insoluble in water, soluble in nitric acid and aqua regia. It is stable to air at lower than 800°C, corroded by air at higher than 2000°C, and can react with pure O2 at 1150°C. Production method: The mixture of titanium powder and carbon obtained by reducing TiO2 by hydrogen is applied at high temperature, or TiO2 and carbon powder are mixed and pressed into a block, then heated to 2300-2700 ℃ in an electric furnace and carbonized in H2 or CO atmosphere And get. Uses: System of cemented carbide, also used as electrodes and abrasives of arc lamps.

Titanium carbide synthesis method

Carbothermal Reduction

Reduction of TiO2 with carbon black, the reaction temperature range is 1700-2100 ℃, the chemical reaction formula is: TiO2(s)+3C(s)=TiC(S)+2CO(g).

direct carbonization

TiC is formed by the reaction of Ti powder and carbon powder. The chemical reaction formula is: Ti(s)+C(s)=TiC. Since it is difficult to prepare sub-micron metal Ti powder, the application of this method is limited. The above reaction takes 5-20 hours to complete, and the reaction process is difficult to control, and the agglomeration of the reactants is serious. Granular TiC powder. In order to obtain a purer product, it is necessary to chemically purify the fine powder after ball milling.

chemical vapor deposition

The synthesis method utilizes the reaction between TiCl4, H2 and C. The reactant reacts with the hot tungsten or carbon monofilament, and the TiC crystal grows directly on the monofilament. The yield and sometimes even quality of the TiC powder synthesized by this method are strictly limited. The HCl in it is highly corrosive, so be careful when synthesizing it.

sol-gel method

A method for preparing products with small particle size by fully mixing and dispersing materials by means of a solution. It has the advantages of good chemical uniformity, small powder particle size and narrow distribution, and low heat treatment temperature, but the synthesis process is complicated and the drying shrinkage is large.

microwave method

Using nano-TiO2 and carbon black as raw materials, using the principle of carbothermal reduction reaction, the material is heated by microwave energy. In fact, the dielectric loss of the material in the high-frequency electric field is used to convert microwave energy into heat energy, so that nano-TiO2 and carbon can synthesize TiC.

blast impact method

The titanium dioxide powder and carbon powder are mixed in a certain proportion, and the precursor is prepared by pressing into a cylinder of Φ10mm×5mm, the density is 1.5g/cm3, and the laboratory is loaded into a metal confinement outer cylinder. Put it into a self-made airtight explosion container for experiments, and collect the detonation ash after the explosion shock wave. After preliminary sieving, large impurities such as iron filings are removed to obtain black powder. The black powder turned brown after being soaked in aqua regia for 24 hours, and finally put into a muffle furnace and calcined at 400 °C for 400 min to finally obtain a silver-gray powder.

High Frequency Induction Carbothermal Reduction

The pigment-grade titanium dioxide powder and charcoal powder are weighed and mixed in a molar ratio of 1:3 and 1:4, put into a ball mill, and ball milled on a planetary ball mill for 6-10 hours at a speed of 300-400r/min, and then the ball milled material is Press it into a block of 2cm×2cm～2cm×4cm on a tablet press. Finally, put the material into a graphite crucible and put it into a high-frequency induction heating equipment. The argon gas is used as a protective atmosphere, and the current of the high-frequency induction equipment is gradually adjusted to 500A makes the material undergo carbothermic reduction reaction, and keep the temperature for 20min. After the heat preservation, the reduction product is naturally cooled to room temperature in an argon atmosphere, the reduction product is taken out, and the ultrafine titanium carbide powder is obtained after grinding and crushing.

metallothermic reduction

A solid-liquid reaction method is an exothermic reaction, so the reaction temperature is low and the energy consumption is low, but the raw materials are relatively expensive, and the CaO and MgO in the product are pickled and cannot be recycled. 

high temperature self-propagating synthesis

(SHS) The SHS method is derived from an exothermic reaction. When heated to an appropriate temperature, the fine-grained Ti powder has high reactivity, so once the combustion wave generated after ignition passes through the reactants Ti and C, Ti and C will have enough reaction heat to form TiC , SHS method reaction is very fast, usually less than one second, this synthesis method requires high-purity, fine Ti powder as raw material, and the output is limited.

Reactive Ball Milling Technology

Reactive ball milling technology is a technology that uses the chemical reaction between metal or alloy powder and other elements or compounds in the ball milling process to prepare the required materials. The main equipment for preparing nanomaterials by reactive ball milling is a high-energy ball mill, which is mainly used to produce nanocrystalline materials. The mechanism of reaction ball milling can be divided into two categories: one is mechanically induced self-propagating high temperature synthesis (SHS) reaction, and the other is reaction ball milling without obvious exotherm, and the reaction process is slow.

Overview of titanium carbide TiC powder

Titanium carbide TiC powder is a crystalline solid with gray metallic luster, hard quality, second only to diamond in hardness, and weaker in magnetic properties. The molecular weight is 59.89, the melting point is 3140 °C, the boiling point is 4820 °C, and the relative density is 4.93. Hardness 9-10. Insoluble in water, soluble in nitric acid and aqua regia. It is stable to air below 800°C, corroded by air above 2000°C, and can react with pure oxygen at 1150°C. For the manufacture of cemented carbide, also used as electrodes and abrasives for arc lamps.

Application of titanium carbide TiC powder

1. Titanium carbide powder is used for high temperature thermal spraying materials, welding materials, hard coating materials, military aviation materials, carbides and cermets.

2. Titanium carbide powder is used as an additive in the production of thermistors to improve wear resistance.

3. Titanium carbide powder has a NaCl-type cubic crystal structure. Adding 6% to 30% of TiC to WC-Co cemented carbide forms a TiC-WC solid solution with WC, which can significantly improve red heat, wear resistance, oxidation resistance, Corrosion resistance and other properties, more suitable for processing steel than WC-Co cemented carbide. Alloys such as Ni-Mo can also be used as binders to form tungsten-free cemented carbides, which can improve the turning speed and the precision and finish of the workpiece.

4. Used as tool material and additive for metal bismuth, zinc, cadmium smelting crucible, preparation of semiconductor wear-resistant film, HDD large-capacity storage equipment, is an important part of cemented carbide, used as deoxidizer in steelmaking industry, also Used as cermet, it has the characteristics of high hardness, corrosion resistance and good thermal stability.

Titanium carbide TiC powder price

The price of titanium carbide TiC powder will change randomly with the production cost, transportation cost, international situation and market supply and demand of titanium carbide TiC powder. Tanki New Materials Co.,Ltd aims to help various industries and chemical wholesalers find high-quality, low-cost nanomaterials and chemicals by providing a full range of customized services. If you are looking for titanium carbide TiC powder, please feel free to send an inquiry to get the latest price of titanium carbide TiC powder.

Titanium carbide TiC powder suppliers

As a global supplier of titanium carbide TiC powders, Tanki New Materials Ltd. has extensive experience in advanced, engineered material properties, applications and cost-effective manufacturing. The company has successfully developed a series of powder materials (including boron carbide, aluminum carbide, boron carbide, etc.), high-purity target materials, functional ceramics and structural devices, and provides OEM services.