Titanium carbide TiC is a very hard refractory ceramic material

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What is the introduction to titanium carbide 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 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. It is used in heat-resistant parts and cutting tools.
Titan carbide TiC powder
Titanium carbide is also used in the production of cermets. These 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 a metal melting bismuth additive, for metals such as bismuth zinc, cadmium, and tin, the preparation of wear-resistant semiconductor films, HDD (large-capacity memory devices).

As an additive to metal bismuths, zinc, cadmium melting Bismuths, the preparation of semiconductor wear resistant film and HDD large capacity memory device, titanium carbide has a wide range of applications.

Nanotech titanium carbide approach suggests hydrogen storage breakthrough
The new research coming out of China could double the efficiency of hydrogen collection, which is seen by many as the key to creating a more sustainable 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 available. Register readers are quick to note that although breakthroughs in production of the gas have been made, storage of the gas is still a major problem due to its small size.

The work of Professor Jianglan Shui and the team of Beihang University‚Äôs 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.

“Compared with known room-temperature materials for hydrogen storage, Ti2CTx proves the superiority low-pressure storage which is almost twice the previous highest storage capacity reported under the same pressurized,” the paper said.

The release of hydrogen is rapid and controlled, making this a “promising approach for developing practical hydrogen storage materials.”

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