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What is titanium carbide introduced?
TiC is similar to tungsten carbide in that it is extremely hard (Mohs 9 – 9.5). It appears as black powder with sodium chloride (face centered cubic) crystal structures.
It is found in nature as an extremely rare mineral known as khamrabaevite. It was found in 1984 near the Uzbek-USSR border on Mount Arashan. The mineral was named for Ibragim Khamrabaevich Khamrabaev. He is the director of Geology and Geophysics at Tashkent in Uzbekistan. In nature, the crystals of this mineral range from 0.1mm to 0.3mm.
Tool bits made of titanium carbide with nickel-cobalt matrix can improve cutting speed and precision. They also smooth out the surface of the workpiece.
Addition of up to 30% titanium carbide can improve the resistance of tungsten-cobalt materials to wear, corrosion and oxidation. This results in a more solid, brittle solution.
The reactive-ion method can be used for etching titanium carbide.
What is titanium carbide made of?
The reaction of titanium dioxide with carbon black above 1800degC produces a powdery hard titanium carbide. The titanium carbide is used in heat-resistant parts and cutting tools.
Titan carbide TiC powder
Titanium carbide is also used to prepare cermets that are often used to cut steel at high speeds. It is used as a surface coating for metal parts such as tool bits or watch mechanisms. Titanium carbide coatings are also used for spacecraft atmospheric reentry.
As an additive in cutting tool materials, metal bismuths, zinc and cadmium melting Bismuth. For the preparation of wear-resistant semiconductor films.
As an additive to metal bismuth and zinc melting bismuth. Also, for the production of semiconductor wear resistant film.
Nanotech titanium carbide approach suggests hydrogen storage breakthrough
The new research coming out of China could double the efficiency of the hydrogen storage system at a time that the collection of low-carbon gas, which is ubiquitous, is viewed as a possible path to a more green energy economy.
This week’s research in Nature Nanotechnology examined a method for storing hydrogen using a titanium alloy with a thin layer of carbide, producing a nano pump effect. The process described here is twice as effective than comparable methods.
Hydrogen has been gaining popularity as an environmentally friendly fuel. Fuel-cell vehicles are already on the road. Register readers are quick to note that although breakthroughs in production are occurring, storage of the gas is a major problem due to its small size.
The work of Professor Jianglan Shui and the team of Beihang University’s School of Materials Science and Engineering showed that titanium carbide materials (technical names Ti2CTx and MXene – types of MXene), can support up to 8.8wt% of hydrogen under “relatively secure” pressures of 60 bar.
The paper states that Ti2CTx has a superior storage capacity for low-pressure hydrogen compared to the materials previously used at room temperature. This is nearly double the previous highest reported storage capacity when using the same pressure.
The release of hydrogen is rapid and controlled, making this a “promising approach for developing practical hydrogen storage materials.”
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Titanium Carbide TiC powder
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