Introduction to Titanium Carbide TiC Pulp
The chemical formula
TiC. It is a metallic-luster, steel-gray crystal. It is both electrically and thermally conductive. The electrical conductivity of the crystal decreases with temperature. It is a hard and high melting point compound. This makes it second to diamond in hardness. The lattice constant of a=4.173×10-8cm. The melting point 3150, boiling points 4820 and relative density 4.9. TiN, TiO both have the same lattice. They also share the same parameters. This allows for continuous solid solutions to be formed between them. C removal slowly occurs when the temperature is raised to over 1500 in H2 gaz. A mixture of Ti(C), N) carbon nitride and N2 gas above 11200 forms a variable composition. TiC has a slow oxidation rate at 800. However, powder TiC can be burnt in O2 at 600 and produced TiO2 (and CO2) by burning it in O2. Reaction with O2 gases produces TiO2 and carbon dioxide at 1200. It doesn’t interact with water but can react to water vapor to create TiO2, H2 and CO at temperatures above 700. It does not react to CO but reacts with it at 1200 to create TiO2, CO and H2 respectively.
|Titanium Carbide TiC Powder Properties|
|Other names||titanium(IV) carbide, TiC powder|
|Solubility of H2O||Insoluble|
Methods of Preparation for Titanium Carbide TiC powder
1. Carbothermic reduction
TiO2 was reduced using carbon black at 1700-2100. The chemical reaction formula for this was: TiO2 (S)+3C(s)=TiC+2COg.
2. Carbonization by direct method
TiC was created by the reaction between Ti powder and carbon dust.
Submicron Ti powder preparation is difficult. This limits the use of the method. It takes approximately 5-20 hours for the above reaction to complete. Because the reactants agglomerate, it is very difficult to control the process. Further grinding is required to produce fine TiC powder. Purifying the fine powder from ball milling with a chemical method is essential to get a better product.
3. Chemical vapor deposition
The synthesis method uses the reaction between TiCl4, TiH2 and C.
The reactants react to hot tungsten and carbon monofilaments. Monofilaments can be used to grow TiC crystals. This method is not able to produce high-quality TiC powders.
4. Sol-gel method
This invention concerns a method to prepare small-sized products by thoroughly mixing and dispersing material with solution. This method offers the advantages of high chemical uniformity, small particle size, and narrow distribution. However, it is complicated to synthesise the product, and the drying shrinkage is substantial.
5. Microwave method
Use nano TiO2 or carbon black as raw materials. The principle of carbon thermal reaction is used to heat the material using microwave energy. Actually, the high-frequency electrical field’s dielectric loss is used to convert microwave heat into energy. This allows nano TiO2 (carbon) to synthesize TiC.
Titanium Carbide TiC Powder: Applications
1. Use in mold making, wear-resistant coatings and cutting tools.
2. Raw materials used in the production of ceramics, as well as hard metallurgical components by powder metallurgy such as drawing film and hard alloy die. Polyphase ceramics can also be used to make hard cutting tools, military arm materials, and aerospace components like gas tanks, engines. They can also be used as nozzle linings for turbine rotors, blades and structural parts in nuclear reactors.
3. It is a good coating material for diamond coating, tritium anticoating in the Fusion reactor, electric contact coat, excavator cut coating, and foam ceramics.
Titanium Carbide TiC Pulp is Main Supplier
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TiC Powder – titanium carbide
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