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. The insoluble substances include hot and cold hydrochloric, sulfuric, and Nitric acids. These compounds are only soluble when they are mixed with hot hydrofluoric or nitric acids. The melting of Niobium Carbide in titanium carbide and zirconium caride and other compounds results in an isomorphic liquid solution. It can then be used in the production of cemented carbide and heat-resistant alloys, such as cermet. Cemented carbide that contains niobium caride can have refined grains and better performance. 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 as one of the raw materials for composite ceramic products.
Cemented carbide can be used to inhibit cemented-carbide grain growth. It can also be combined with other carbides to form the third dispersed phases, WC and Co. This will significantly increase the thermal hardness and thermal shock resistance as well as the resistance against hot pressing and oxidation. 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 2.43.6x as strong as Fe-Cr–C-B. The surface of the hardfacing layer is easily welded to it without heating. Additionally, tiny cracks on the top can allow for the release of hard-facing layers stress. 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 is 8.47. There is a constant at the lattice of 0.4447nm and the melting temperature is 2300. It is much harder than corundum because the microhardness of >235GPA is greater than 2400kg/mm2. The elastic modulus for corundum is 338000N/mm2, the thermal expansion coefficient of 6.65×10-6/K is 6,65×10-6/K, and the thermal conductivity at 14w/(m). K; and the generated heat for 1 chemical books is 40.7kJ/mol. 36.8J/(mol) is the specific heat potential K and the resistivity of 35 m? It is insoluble in both hot and cold sulfuric acids, hot and low hydrochloric acid, and nitric Acid. However, it can be dissolved in hot mixtures of hydrofluoric and nitric acids. 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.
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