What is the chemical stability of niobium carbide

What is NbC powder?

Niobium carbide is an eco-friendly cubic crystal with a metallic appeal belonging to a sodium chloride-type cubic crystal system. Its melting factor is high, its solidity is high (microhardness is 235GPa, which is more challenging than corundum), as well as its chemical stability is good (it is secure at one 000 ~ 1 100 ℃ as well as quickly oxidizes to niobium pentoxide above one 100 ℃). Insoluble compounds are hot and cold hydrochloric acid, sulfuric acid, as well as nitric acid, as well as they are just soluble in the warm blended solution of hydrofluoric acid as well as nitric acid. Niobium carbide is easy to thaw in titanium carbide, zirconium carbide, tungsten carbide, and other compounds, resulting in an isomorphic solid option, so it can be utilized to make cermet, heat-resistant alloy, as well as sealed carbide. The sealed carbide with niobium carbide has actually improved grain and also improved well-rounded performance. The cutting devices made from it likewise have great thermal solidity, thermal shock resistance, and thermal oxidation resistance.

? As one of the raw products of composite ceramic products, composite ceramic products constructed from composite ceramic products are frequently utilized in wear-resistant parts, reducing devices, electrodes, and various other fields due to their high firmness, high melting factor, excellent chemical stability, and also electrical conductivity.

Cemented carbide can not just be made use of as a prevention of concrete carbide grain growth but also create the third distributed phase other than WC and also Co together with other carbides, which can substantially enhance the thermal solidity, thermal shock resistance, hot pressing resistance and also oxidation resistance of concrete carbide. Niobium carbide can be utilized to prepare cemented carbide device materials with superb cutting efficiency due to its advantages of increasing the solidity and improving the crack strength of the alloy.

The tough niobium carbide tough phase of the surfacing-covered electrode enters the structure of the emerging layer, which provides the welding layer an excellent wear-resistant skeletal system and also greatly boosts the wear resistance. The wear resistance of this covered electrode appearing wear-resistant alloy is 1.2 ~ 1.8 times higher than that of quenched No. 45 steel (HRC50) and also 2.4 ~ 3.6 times greater than Fe-Cr-C-B wear-resistant alloy. At the very same time, the hard-facing layer can be bonded on the surface of the workpiece without preheating, and also the little cracks produced externally can launch the anxiety of the hard-facing layer. They will not spread out into the base material. D. Adding a small amount of niobium carbide to the steel strengthening phase throughout steelmaking can accomplish the impacts of rainfall conditioning as well as fine grain fortifying, thus boosting the detailed mechanical residential or commercial properties of steel.

Aerospace elements are used as prep work products for numerous aerospace equipment parts, such as wind turbine rotors, gas rudders, blades, engine nozzle cellular linings, as well as structural participants of atomic power plants.

Chemical residential or commercial properties of NbC powder

Niobium carbide is an environment-friendly cubic crystal with a metallic luster coming from a salt chloride-type cubic crystal system. The family member density is 8.47, the lattice constant a= 0.447 nm, as well as the melting point is 2300 ℃. The microhardness is > 235GPA (> 2400kg/mm2), which is tougher than corundum. The flexible modulus is 338000N/mm2; the thermal development coefficient is 6.65×& times; 10-6/ K, the thermal conductivity is 14w/( m? K), and also the produced heat of 1 chemical publication is 40.7 kJ/mol. The certain warm capacity is 36.8 J/( mol? K), as well as the resistivity is 35 μ ω& mu; & omega;? centimeters 。 Insoluble in cold and hot hydrochloric acid, sulfuric acid, and also nitric acid, soluble in a warm blended remedy of hydrofluoric acid as well as nitric acid. It is steady at 1000 ~ 1100 ℃ and also rapidly oxidizes to niobium pentoxide above 1100 ℃. Niobium carbide is simple to melt in titanium, zirconium carbide, tungsten carbide, and also various other compounds, creating an isomorphic solid remedy combination.

The cost of NbC powder

The market cost of NbC powder is impacted by different aspects. Presently, its market price is in the procedure of dynamic modification. If you need it, please contact us at any time.

NbC powder provider

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