Titanium carbide TiC is a very hard refractory ceramic material


Jul 24, 2023

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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.

In nature it is found as a rare form of 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 corrosion, oxidation, and wear. 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 watch and tool bits. Titanium carbide coatings are also used for spacecraft atmospheric reentry.

As an additive in cutting tool materials, metal bismuths, zinc and cadmium melting Bismuths, the preparation of wear-resistant semiconductor films, HDD large capacity memory device.

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 storage of hydrogen 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 of the gas have been made, storage of the gas is still a major problem due to its small molecule size.

The work of Professor Jianglan Shui and the team of Beihang University‚Äôs School of Materials Science and Engineering showed that the titanium carbide materials (technical designation Ti2CTx-a type of MXene ) could sustain 8.8wt% of hydrogen under “relatively” safe pressure of sixty bar.

“Compared with known room-temperature materials for hydrogen storage, Ti2CTx proves the superiority low-pressure hydrogen storing, which is nearly double the highest previously reported maximum storage capacity at the same pressure,” said the paper.

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

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