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What is the chemical stability of niobium carbide

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What is NbC powder?

Niobium carbide is an environment-friendly cubic crystal with a metallic gloss coming from a salt chloride-type cubic crystal system. Its melting point is high, its hardness is high (microhardness is 235GPa, which is more difficult than diamond), and its chemical security is excellent (it is secure at one 000 ~ 1 100 ℃ as well as rapidly oxidizes to niobium pentoxide over one 100 ℃). Insoluble compounds are cold and hot hydrochloric acid, sulfuric acid, and nitric acid, and they are just soluble in the warm blended solution of hydrofluoric acid and nitric acid. Niobium carbide is easy to melt in titanium carbide, zirconium carbide, tungsten carbide, and also other substances, leading to an isomorphic solid remedy, so it can be used to make cermet, heat-resistant alloy, and also cemented carbide. The sealed carbide with niobium carbide has actually improved grain as well as boosted well-rounded performance. The cutting devices made of it additionally have great thermal hardness, thermal shock resistance, as well as thermal oxidation resistance.


What is NbC powder utilized for

? As one of the raw materials of composite ceramic materials, composite ceramic materials made from composite ceramic materials are typically made use of in wear-resistant components, cutting tools, electrodes, as well as various other areas as a result of their high solidity, high melting point, superb chemical stability, and also electrical conductivity.

Sealed carbide can not only be utilized as a prevention of cemented carbide grain development yet likewise form the third distributed stage except WC and also Carbon monoxide along with other carbides, which can substantially improve the thermal solidity, thermal shock resistance, hot pressing resistance as well as oxidation resistance of concrete carbide. Niobium carbide can be made use of to prepare cemented carbide tool products with excellent reducing performance due to the fact that of its benefits of boosting the firmness as well as boosting the crack durability of the alloy.

The difficult niobium carbide tough phase of the surfacing-covered electrode goes into the structure of the surfacing layer, which offers the welding layer an excellent wear-resistant skeleton and also greatly boosts the wear resistance. The wear resistance of this protected electrode appearing wear-resistant alloy is 1.2 ~ 1.8 times greater than that of quenched No. 45 steel (HRC50) and also 2.4 ~ 3.6 times higher than Fe-Cr-C-B wear-resistant alloy. At the exact same time, the hard-facing layer can be welded on the surface of the work surface without preheating, and also the tiny fractures produced externally can launch the stress and anxiety of the hard-facing layer. They will not spread out right into the base material. D. Including a small amount of niobium carbide to the steel strengthening phase throughout steelmaking can accomplish the effects of precipitation fortifying as well as fine grain conditioning, thus boosting the detailed mechanical homes of steel.

Aerospace parts are utilized as prep work products for many aerospace equipment parts, such as turbine rotors, gas rudders, blades, engine nozzle linings, and also architectural participants of atomic power plants.

Chemical residential or commercial properties of NbC powder

Niobium carbide is a green cubic crystal with a metallic luster belonging to a sodium chloride-type cubic crystal system. The family member density is 8.47, the latticework constant a= 0.447 nm, and the melting factor is 2300 ℃. The microhardness is > 235GPA (> 2400kg/mm2), which is more difficult than corundum. The flexible modulus is 338000N/mm2; the thermal expansion coefficient is 6.65×& times; 10-6/ K, the thermal conductivity is 14w/( m? K), and also the produced warmth of 1 chemical book is 40.7 kJ/mol. The specific warmth ability is 36.8 J/( mol? K), and the resistivity is 35 μ ω& mu; & omega;? cm 。 Insoluble in cold and hot hydrochloric acid, sulfuric acid, and also nitric acid, soluble in a hot blended option of hydrofluoric acid and also nitric acid. It is steady at 1000 ~ 1100 ℃ and also quickly oxidizes to niobium pentoxide above 1100 ℃. Niobium carbide is very easy to thaw in titanium, zirconium carbide, tungsten carbide, as well as other compounds, forming an isomorphic solid remedy blend.

The rate of NbC powder

The market rate of NbC powder is influenced by various variables. Presently, its market rate remains in the procedure of vibrant modification. If you need it, please contact us at any type of time.

NbC powder vendor

( aka. Technology Co., Ltd.) is a trusted worldwide chemical product vendor as well as producer with 12 years of experience giving high-grade chemical materials and manufacturing procedures. Currently, our company has actually successfully established a collection of powder products. OEM service is readily available. If you are seeking NbC powder, please call us or click the required products to send us a questions.

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