What material is zirconium carbide?

Zirconium carbid is an extremely hard material that has high melting points and good high-temperature resistance. You can use them to create alloy steel, and as solid fuel in rocket engines. This is an important raw material in the production of zirconium metal, zirconium trioxide, and fine ceramic materials.

This material has a strong ZrC-C covalent bond which gives it a very high melting temperature (3530degC), high module (440 GPa), hardness (25) and toughness (25 GPa). ZrC’s density is 6.73g/cm3 lower than that of other carbides, such as TaC (14.75 g/cm3) or WC (15.8g/cm3). ZrC may be used for supersonic or rocket/hyperjet aircraft, which require low density and high temperatures load-bearing capacities.

Both technetium oxide (or charcoal) are the raw materials. They are combined, placed in graphite crucibles of carbonized and heated to 2400 under hydrogen. Then, zirconium caride is formed. Mixing zirconia oxide and carbon black is also possible. They can be molded under pressure and heated to 1800 in an Induction Heating graphite Crucible. Once the hydrogen atmosphere has passed, they are added to Iy2% carbon noir and annealed at 1600 1900 in vacuum to make zirconium caride. You can also mix zirconium dioxide and magnesium, then heat to 750 and pickle with hydrochloric acids to extract byproducts.

Chemical vapor deposition (CVD) is another method of manufacturing. The process involves heating the zirconium sponge, and then decomposing the gas. The preparation of composite materials is one way to increase the resistance to oxidation. ZrC -ZrB2 is the preferred composite material. These composite materials are capable of working at temperatures above 1800°C. This situation can be improved by using another material, like TRISO fuel particle as a barrier.

Zirconium carbonide is a cubic, shiny and gray crystalline powder. Lattice constant. 1 0. 1 0. 73. The Mohs Hardness is 8.9 9. Microhardness is 2.700kg/mm. Elastic modulus of 3. 48x10sN/mm2, thermal expansion coefficient 6. The heat of formation for 73×10-e/K is-196. 8kj/mol specific heat potential is 37. 8J/mol (mol-K), and resistance is 42u cm. Hydrochloric acid is insoluble. It dissolves in hydrofluoric and nitric acids. However, it dissolves in hydrofluoric and hot sulfuric acids containing hydrogen peroxide. The chemical reaction with chlorine can cause zirconium dioxide to be formed at higher temperatures.

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