3D Printing Metal Powder

A Basic Introduction to Tantalum Carbide Coating

2023-07-10 13:25:03  News

A tantalum carbide coating is a ceramic material that offers several beneficial properties, including heat resistance and hardness. The material is able to resist the corrosion of many different acids and is also incredibly strong. This makes it ideal for use in cutting tools and other applications where strength is key. It is important to know a little about this particular coating before you apply it, however. This article will provide a basic introduction to this unique type of coating, as well as some information about its benefits and uses.

A method for the chemical vapor deposition of a uniform coating of tantalum metal on fibers of woven graphite cloth is presented. The resulting coating is hot pressed to form a ceramic tantalum carbide-graphite composite. The composite exhibits high thermal shock and mechanical erosion resistance due to the formation of a hard mesh of carbides in the boron matrix.

The microstructure of Fe/TaC coatings produced with the pre-coating at thicknesses of 30 um, 60 um and 90 um and with various laser beam powers was analyzed. At low beam powers, the eutectic structure is formed from primary tantalum carbide particles that are separated at the grain boundaries, while at higher power levels the secondary carbides have more prominent positions in the microstructure.

Coatings made from this refractory ceramic material can be used in a variety of industrial applications, including the production of crucibles and susceptors for bulk and epitaxial wide band-gap semiconductor growth processes. They can also be used for a wide range of other applications that require a durable and reliable protective coating.

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