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What is titanium carbide introduced?
Titanium carbide 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, oxidation, etc. 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. It 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, the preparation of wear-resistant semiconductor film, HDD (large-capacity memory).
As an additive to metal bismuth and zinc melting bismuth. Also, for the production of wear-resistant semiconductor films.
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 seen as one of the potential paths 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 efficient as similar methods.
Hydrogen has been gaining popularity as an environmentally friendly fuel. Fuel-cell vehicles are already available. 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 MXenes) can support up to 8.8wt% of hydrogen under “relatively secure” pressure of 60 bars.
The paper states that Ti2CTx has a superiority over other materials known for storing hydrogen at room temperature. This is because it can store almost twice as much hydrogen under low pressure, compared to the previous highest reported capacity.
Meanwhile, hydrogen is released quickly and can be controlled, making this a “promising approach for developing practical hydrogen storage materials.”
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Titanium Carbide TiC powder
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