TITANIUM(IV) CARBIDE
Titanium carbide
CAS: 12070-08-5
Molecular Formula: CTi
TITANIUM(IV) CARBIDE - Names and Identifiers
| Name | Titanium carbide |
| Synonyms | TIC STD 120 methyltitanium Titanium carbide TITANIUM CARBIDE TITANIUM(IV) CARBIDE Titanium carbide powder (TiC) Titanium(IV) carbide (powder) Titanium carbide nanopowder, Titaniumcarbidemicrongraypowder |
| CAS | 12070-08-5 |
| EINECS | 235-120-4 |
| InChI | InChI=1/CH3.Ti/h1H3;/rCH3Ti/c1-2/h1H3 |
TITANIUM(IV) CARBIDE - Physico-chemical Properties
| Molecular Formula | CTi |
| Molar Mass | 59.88 |
| Density | 4.930 g/mL at 25 °C (lit.) |
| Melting Point | 3140 °C (lit.) |
| Boling Point | 4820 °C (lit.) |
| Flash Point | 4820°C |
| Water Solubility | Soluble in nitric acid and aqua regia. Insoluble in water. |
| Appearance | Powder |
| Specific Gravity | 4.93 |
| Color | gray |
| Storage Condition | Room Temprature |
| Stability | Stable. |
| MDL | MFCD00011268 |
| Physical and Chemical Properties | Titanium carbide is gray-white metal-like powder, belongs to sodium chloride type cubic crystal system, relative density 4.93, melting point 3140 ℃, boiling point. 4820 ℃, extremely hard, Mohs hardness 9~10, microhardness 3000kg/mm2, elastic modulus 2940 N/mm2, bending strength 240~400 N/mm2, thermal conductivity 7.74 x 10-6/K, thermal conductivity of 21w/(m? K), heat of formation -183.4kJ/mol, room temperature resistance 60 μ Ω. Insoluble in water, soluble in nitric acid. |
| Use | Is an important component of cemented carbide, used as a metal ceramic, can also be used to manufacture cutting tools, steel industry as a deoxidizer |
TITANIUM(IV) CARBIDE - Risk and Safety
| Safety Description | S16 - Keep away from sources of ignition. S22 - Do not breathe dust. |
| UN IDs | UN3178 |
| WGK Germany | 3 |
| RTECS | XR1903500 |
| TSCA | Yes |
| Hazard Class | 4.1 |
| Packing Group | III |
TITANIUM(IV) CARBIDE - Nature
Open Data Verified Data
titanium carbide is a gray-white metal-like powder, belonging to the sodium chloride type cubic crystal system. The relative density was 4. 93. Lattice constant a = 4329. Melting point 3140 °c, boiling point 4820 °c. It has high hardness, Mohs hardness 9~10, microhardness 3000kg/mmz, elastic modulus 2940N/mm2, bending strength 240 ~ 400N/nn2, thermal expansion coefficient 7. 74 x 10-6/K, thermal conductivity 21W/(m.K), heat of formation -183. 4kj/mol. Insoluble in water, soluble in nitric acid.
Last Update：2024-01-02 23:10:35
TITANIUM(IV) CARBIDE - Preparation Method
Open Data Verified Data
with titanium dioxide and carbon black as raw materials, the high purity titanium dioxide and carbon black are fully mixed in proportion, the dry powder mixture is pressure-formed, and the horizontal carbon tube furnace or vertical carbon tube furnace is used in hydrogen atmosphere, the bulk TiC was prepared by reduction at 1900~2300 ℃, and the powder product of titanium carbide was obtained by pulverization. Alternatively, sponge titanium and carbon black are used as raw materials, and sponge titanium (or titanium alloy, titanium dust recovered from carbide solid solution) and carbon black are fully mixed in proportion, titanium carbide was prepared by heating to 1500-1700 ° C. In a high-purity hydrogen gas stream.
Last Update：2022-01-01 09:05:54
TITANIUM(IV) CARBIDE - Introduction
Do not interact with hydrochloric acid. It can be prepared by heating bone charcoal and titanium dioxide in an electric furnace. It is an important component of hard alloy.
Last Update：2022-10-16 17:12:43
TITANIUM(IV) CARBIDE - Use
Open Data Verified Data
The most important use of titanium carbide is used as an additive for cutting tool materials and metallic bismuth, zinc, cadmium melting crucibles, making various semiconductor wear-resistant films, large capacity hard disk drive (HDD) memory devices.
Last Update：2022-01-01 09:05:55
TITANIUM(IV) CARBIDE - Reference Information
| crystal structure | Cubic, NaCl Structure |
| LogP | 0 |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | titanium carbide is a typical transition metal carbide, with NaCl type cubic crystal structure, and has high melting point, high hardness, high Young's modulus, high chemical stability, wear resistance and corrosion resistance, good electrical conductivity and thermal conductivity, etc, therefore, it has a wide range of applications and great potential in cutting tools, aerospace components, wear-resistant coatings, foam ceramics and infrared radiation ceramic materials. |
| physical properties | appearance and properties: gray metallic face-centered cubic lattice solid, hard (hardness greater than 9, second only to diamond) microhardness 2850kg/mm2; melting point: 3140±90 ℃ boiling point: 4820 ℃ relative density: 4.93 solubility: insoluble in water, hydrochloric acid and sulfuric acid, soluble in aqua regia, nitric acid and hydrofluoric acid mixture electrical and thermal conductivity: has good thermal conductivity and electrical conductivity, and its electrical conductivity decreases with the increase of temperature Table 1 Physical properties of TiC Figure 1 Crystal structure diagram of TiC |
| preparation method | 1, carbothermal reduction method: TiO2 is reduced by carbon black, the reaction temperature range is 1700-2100 ℃, the chemical reaction formula is: TiO2(s) 3C(s)= TiC(S) 2CO(g) 2, direct carbonization method: TiC is generated by reaction of Ti powder and carbon. The chemical reaction formula is: Ti(s) C(s)= TiC because it is difficult to prepare submicron metal Ti powder, the application of this method is limited. the above reaction takes 5-20 hours to complete, the reaction process is difficult to control, the reactant agglomeration is serious, and further powder grinding is needed to prepare fine particle TiC powder. In order to obtain a purer product, the fine powder after ball milling needs to be purified by chemical methods. In addition, due to the high price of metallic titanium powder, the cost of synthesizing TiC is also high. 3. Chemical vapor deposition [7]: This synthesis method uses the reaction between TiCl4,H2 and C. The reaction formula is: TiCl4(g) 2H2(g) C(s)= TiC(g) 4HCl(l) the reactant is contacted with hot tungsten or carbon monofilament to react. TiC crystal is directly grown on the monofilament. the yield and sometimes even quality of TiC powder synthesized by this method are strictly limited. in addition, due to the strong corrosiveness of TiCl4 and HCl in the product, special care should be taken when synthesizing. 4. Sol-gel method: a method for preparing small particle size products by fully mixing and dispersing materials with solution. It has the advantages of good chemical uniformity, small particle size and narrow distribution, low heat treatment temperature, etc., but the synthesis process is complex and the drying shrinkage is large. 5, microwave method nano TiO2 and carbon black as raw materials, using the principle of carbothermal reduction reaction, using microwave energy to heat the material. In fact, the dielectric loss of the material in the high-frequency electric field is used to convert microwave energy into heat energy to synthesize TiC from nano-TiO2 and carbon. the chemical reaction formula is as follows: TiO2 3C = TiC 2CO(g) 6, explosive impact method mixing titanium dioxide powder and carbon powder in a certain proportion, pressing into a Φ10mm × 5mm cylinder to prepare precursor with a density of 1.5g/cm3, the laboratory is loaded into the metal restraint outer cylinder. Put it into a self-made closed explosion container for experiments, and collect detonation ash after the explosion shock wave. After preliminary screening, remove large impurities such as iron filings to obtain black powder. The black powder turned brown after being soaked in aqua regia for 24 hours, finally put it into a muffle furnace, calcined at 400 ℃ for 400min, and finally got silver gray powder. 7. high frequency induction carbothermal reduction method the pigment grade titanium dioxide powder and charcoal powder are weighed and mixed according to the molar ratio of 1: 3 and 1: 4, added into a ball milling tank, ball milling on a planetary ball mill for 6~10h at a rotating speed of 300 ~ 400r /min, and then the ball milling material is pressed on a tablet press to form a block of 2cm × 2cm ~ 2cm × 4cm, finally, the material is loaded into a graphite crucible and put into a high-frequency induction heating equipment. Argon is passed to protect the atmosphere. The current of the high-frequency induction equipment is gradually adjusted to 500A to make the material undergo carbothermal reduction reaction and keep the temperature for 20min. After the heat preservation, the reduction product is naturally cooled to room temperature under argon atmosphere, the reduction product is taken out, and the ultrafine titanium carbide powder is obtained after grinding and crushing. 8. metal thermal reduction method: a solid-liquid reaction method is an exothermic reaction, so the reaction temperature is low and the energy consumption is small, but the raw materials are relatively expensive. CaO and MgO in the product are pickled and cannot be recycled. 9. High temperature self-propagating synthesis (SHS) SHS method originates from exothermic reaction. When heated to an appropriate temperature, fine particles of Ti powder have high reactivity. Therefore, once the combustion wave generated after ignition passes through the reactants Ti and C , Ti and C will have enough reaction heat to generate TiC. SHS method reacts very fast, usually less than one second. The synthesis method requires high purity and fine Ti powder as raw material, and the output is limited. 10. Reactive ball milling technology Reactive ball milling technology is a technology that uses the chemical reaction between metal or alloy powder and other simple substances or compounds during the ball milling process to prepare the required materials. The main equipment for preparing nanomaterials by reactive ball milling technology is a high-energy ball mill, which is mainly used to produce nanocrystalline materials. The mechanism of reaction ball mill can be divided into two categories: one is mechanically induced self-propagating high-temperature synthesis (SHS) reaction, and the other is reaction ball mill without obvious exotherm, and the reaction process is slow. |
| Uses | 1. Used in cutting tools, wear-resistant coatings, mold manufacturing, production of smelting metal metal crucibles and many other fields; 2. Used in powder metallurgy The raw materials for the production of ceramics and hard metallurgical parts, such as wire drawing films, hard alloy molds, etc.; the composite ceramics can be used in hard tools, military armor materials, aerospace parts, such as gas compartments, engines, nozzle linings, turbine rotors, blades, and structural components in nuclear reactors; 3. As a coating material, it can be used as diamond coating, anti-tritium coating in fusion reactors, electrical contact coating, Digger pick coating, and making foam ceramics, infrared radiation ceramic materials, etc.. Used as additives for cutting tool materials and metal bismuth, zinc, and cadmium melting crucibles to prepare semiconductor wear-resistant films, HDD large-capacity memory device. is an important component of cemented carbide, used as cermet, can also be used to manufacture cutting tools, used as deoxidizer in steelmaking industry used as cermet, with high hardness, corrosion resistance and good thermal stability Features. It can also be used to make cutting tools. Used as a deoxidizer in the steelmaking industry. |
| production method | titanium dioxide reduction method uses titanium dioxide and carbon black as raw materials to prepare titanium carbide: the high purity titanium dioxide and carbon black are fully mixed according to the mass ratio of 68.5:31.5, the dry powder mixture is pressed and formed (blocks), the bulk TiC is prepared by reduction of horizontal carbon tube furnace or vertical carbon tube furnace in hydrogen atmosphere at 1900~2300 ℃, and the powder product is obtained by crushing. Its direct method uses titanium sponge and carbon black as raw materials to prepare titanium carbide: titanium sponge and carbon black are mixed in proportion, heated to 1500~1700 ℃ in a high-purity hydrogen gas stream to react to prepare titanium carbide, and its |
Last Update：2024-04-09 19:05:10
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Tel: +86-17551318830
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QQ: 3785839865
Product Name: Titanium carbide Visit Supplier Webpage Request for quotation
CAS: 12070-08-5
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CAS: 12070-08-5
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