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What is the chemical stability of niobium carbide?


What does NbC powder mean?

Niobium carbonide is an green cubic crystal with metallic luster. It belongs to a type of cubic crystal that contains sodium chloride. It has high melting points, high hardness, and is faster than corundum. They are insoluble substances. These are hot and cool hydrochloric, sulfuric, and nitric. The melting of Niobium carbide in titanium carbide or zirconium carbonide produces an isomorphic liquid solution. It can also be used in the production of cemented carbide, heat-resistant alloy, and cermet. The combination of niobium and cemented carbide gives cemented carbide an improved grain quality. This cutting tool has good thermal hardness and resistance to thermal shock.


How is NbC powder applied?

Because of their hardness and high melting point as well as excellent chemical stability and electrical conductivity, composite ceramic materials from composite clay materials are used in many fields, including cutting tools and electrodes.
Cemented carbonide can be used to inhibit cemented-carbide grain growth. It can also form the third phase other than WC and Co with other carbides. This will significantly increase the thermal hardness and thermal shock resistance as well as the resistance to hot pressing and oxidation of cemented care. Cemented carbide tool material can be prepared using Niobium carbide. This is due to its benefits of improving hardness as well as increasing fracture toughness.
The hard niobium carbonide hard phase in the surfacing-covered electro enters the structure and enhances its wear resistance. This wear-resistant alloy of covered electrodes surfacing is more durable than the quenched No.45 Steel (HRC50) but it’s 1.21.8x as strong as that of Fe-Cr–C-B. You can also affix the hard-facing layers directly on to your workpiece. The surface cracks can help release any stress from the hardfacing layer. They won’t spread to the base material. The addition of small amounts of niobium carbonide during steelmaking to the steel strength phase can produce the benefits of precipitation strengthening.

Many aerospace components can be used to prepare parts for other equipment, like turbine rotors or gas rudders.

Chemical Properties of NbC dust

The green cubic crystal Niobium carbide has a metallic luster and is of sodium chloride type. The relative density of the cubic crystal is 8.47. There is a constant at the lattice of 0.4447nm and a melting point of 2300. It is much harder than corundum because the microhardness of >235GPA (>2400kg/mm2) is higher. The elastic modulus for corundum is 338000N/mm2 and the thermal expansion factor is 6.65×10-6/K. K; and the generated heat for 1 chemical books is 40.7kJ/mol. The specific heat potential is 36.8J/mol K and the resistivity of 35 m? It is insoluble in both hot and cold sulfuric acids, hot and low hydrochloric acids, and nitric Acid. However, it can be dissolved in a mixture of hot hydrofluoric acid or nitric. It’s stable from 1000 to 1100, and it quickly oxidizes in niobium peroxide over 1100. The melting of niobium carbide in titanium, zirconium, or tungsten carbide creates an isomorphic solution.

NbC powder
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