What does NbC powder mean?
Niobium carbonide is an green cubic crystal that has a metallic luster and belongs to a type of cubic crystal called the sodium chloride. It has high melting points, high hardness, and is faster than corundum. They are insoluble in both hot and cold hydrochloric, sulfuric, and nitric compounds. However, they can only be dissolved in hot mix of hydrofluoric, nitric, acid. 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 carbonide can be used to inhibit cemented-carbide grain growth. It can also form the third dispersed phases, other than WC and Co. This will significantly increase the thermal hardness and thermal shock resistance as well as the resistance to hot pressing and oxidation of cemented carbide. 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. The covered electrode surfacing is wear-resistant and has a wear rate of 1.21.8x greater than the quenched No.45 Steel (HRC50) as well as 2.43.6x more than Fe-Cr–C-B. The surface can still be covered with the hard-facing layers. Additionally, they can be easily welded to it without heating. 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 lattice constant at a=0.447nm and melted 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. 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 hot mixtures of hydrofluoric and 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.
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