Introduction to Titanium Carbide TiC Pulp
The chemical formula
TiC. It is a steel-gray, metallic 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. Melting point 3150; boiling point 4820; 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 over 700. It does not react to CO but reacts with it at 1200 to create TiO2 and H2 respectively.
|Titanium Carbide TiC Powder Properties|
|Other Names||titanium(IV) carbide, TiC powder|
|Solubility of H2O||Insoluble|
Preparation of Titanium Carbide TiC Pulver
1. Carbothermic Reduktion
At 1700-2100 TiO2 (S)+3C(s), the chemical reaction formula for 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. It offers the advantages of high chemical uniformity, small particle size, and narrow distribution. However, the synthesis process is complicated, and drying shrinkage is large.
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 coating, and cutting tools.
2. Raw materials used in the production of ceramics, and 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, aerospace components like gas tanks, engines and nozzles. They can also be used as 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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