What is the chemical stability of niobium carbide

What is NbC powder?

Niobium carbide is a green cubic crystal with a metallic appeal belonging to a salt chloride-type cubic crystal system. Its melting point is high, its firmness is high (microhardness is 235GPa, which is tougher than diamond), and also its chemical stability is good (it is steady at one 000 ~ 1 100 ℃ as well as quickly oxidizes to niobium pentoxide above one 100 ℃). Insoluble materials are hot as well as cool hydrochloric acid, sulfuric acid, as well as nitric acid, and they are just soluble in the hot blended option of hydrofluoric acid and also nitric acid. Niobium carbide is simple to melt in titanium carbide, zirconium carbide, tungsten carbide, and other substances, causing an isomorphic solid remedy, so it can be utilized to produce cermet, heat-resistant alloy, and cemented carbide. The cemented carbide with niobium carbide has actually fine-tuned grain and boosted well-rounded efficiency. The cutting tools made from it likewise have excellent thermal firmness, thermal shock resistance, as well as thermal oxidation resistance.

? As one of the raw materials of composite ceramic products, composite ceramic materials constructed from composite ceramic products are frequently utilized in wear-resistant parts, cutting tools, electrodes, as well as other areas since of their high hardness, high melting point, superb chemical security, as well as electric conductivity.

Sealed carbide can not just be used as an inhibitor of cemented carbide grain development yet likewise form the 3rd distributed stage except WC and Co along with various other carbides, which can substantially improve the thermal firmness, thermal shock resistance, hot pushing resistance and also oxidation resistance of cemented carbide. Niobium carbide can be utilized to prepare cemented carbide device materials with superb reducing performance as a result of its advantages of increasing the firmness and improving the fracture durability of the alloy.

The difficult niobium carbide hard stage of the surfacing-covered electrode gets in the framework of the surfacing layer, which gives the welding layer a good wear-resistant skeletal system and considerably enhances the wear resistance. The wear resistance of this protected electrode appearing wear-resistant alloy is 1.2 ~ 1.8 times higher than that of quenched No. 45 steel (HRC50) and 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 welded externally of the workpiece without pre-heating, and the small cracks created externally can launch the anxiety of the hard-facing layer. They will certainly not spread right into the base product. D. Including a percentage of niobium carbide to the steel strengthening stage throughout steelmaking can attain the results of precipitation conditioning as well as great grain strengthening, thus improving the detailed mechanical buildings of steel.

Aerospace parts are used as prep work products for lots of aerospace equipment components, such as turbine blades, gas tails, blades, engine nozzle cellular linings, and also structural participants of nuclear activators.

Chemical properties of NbC powder

Niobium carbide is an eco-friendly cubic crystal with a metallic radiance coming from a salt chloride-type cubic crystal system. The relative 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 diamond. The flexible modulus is 338000N/mm2; the thermal development coefficient is 6.65×& times; 10-6/ K, the thermal conductivity is 14w/( m? K), as well as the produced warm of 1 chemical book is 40.7 kJ/mol. The particular heat ability is 36.8 J/( mol? K), and also the resistivity is 35 μ ω& mu; & omega;? centimeters 。 Insoluble in warm and also cold hydrochloric acid, sulfuric acid, and nitric acid, soluble in a warm mixed solution of hydrofluoric acid and also nitric acid. It is steady at 1000 ~ 1100 ℃ and swiftly oxidizes to niobium pentoxide above 1100 ℃. Niobium carbide is simple to melt in titanium, zirconium carbide, tungsten carbide, and other compounds, developing an isomorphic strong option mixture.

The price of NbC powder

The market price of NbC powder is influenced by various elements. Presently, its market value remains in the process of dynamic adjustment. If you require it, please call us at any moment.

NbC powder vendor

( aka. Technology Co., Ltd.) is a respectable global chemical material vendor as well as producer with 12 years of experience giving top notch chemical products and producing processes. Presently, our firm has actually efficiently created a collection of powder materials. OEM solution is readily available. If you are looking for NbC powder, please contact us or click on the required items to send us a questions.

Inquiry us