What is the chemical stability of niobium carbide

What is NbC powder?

Niobium carbide is a green cubic crystal with a metal luster belonging to a sodium chloride-type cubic crystal system. Its melting point is high, its solidity is high (microhardness is 235GPa, which is harder than corundum), as well as its chemical stability is great (it is steady at one 000 ~ 1 100 ℃ as well as rapidly oxidizes to niobium pentoxide above one 100 ℃). Insoluble materials are warm and also chilly hydrochloric acid, sulfuric acid, and nitric acid, as well as they are just soluble in the warm combined solution of hydrofluoric acid as well as nitric acid. Niobium carbide is easy to thaw in titanium carbide, zirconium carbide, tungsten carbide, and also other compounds, causing an isomorphic strong option, so it can be made use of to make cermet, heat-resistant alloy, as well as cemented carbide. The cemented carbide with niobium carbide has improved grain and improved all-around efficiency. The cutting tools constructed from it likewise have excellent thermal solidity, thermal shock resistance, and thermal oxidation resistance.

? As one of the raw materials of composite ceramic materials, composite ceramic products made of composite ceramic materials are often used in wear-resistant parts, reducing devices, electrodes, as well as various other fields as a result of their high hardness, high melting point, superb chemical security, and electric conductivity.

Sealed carbide can not just be made use of as an inhibitor of concrete carbide grain growth however also develop the third distributed phase other than WC and also Carbon monoxide along with various other carbides, which can dramatically enhance the thermal firmness, thermal shock resistance, hot pushing resistance and also oxidation resistance of concrete carbide. Niobium carbide can be made use of to prepare concrete carbide tool materials with exceptional cutting performance as a result of its advantages of increasing the solidity and also enhancing the fracture sturdiness of the alloy.

The difficult niobium carbide hard phase of the surfacing-covered electrode enters the framework of the appearing layer, which offers the welding layer an excellent wear-resistant skeleton and significantly enhances the wear resistance. The wear resistance of this covered electrode appearing wear-resistant alloy is 1.2 ~ 1.8 times greater than that of quenched No. 45 steel (HRC50) as well as 2.4 ~ 3.6 times greater than Fe-Cr-C-B wear-resistant alloy. At the same time, the hard-facing layer can be welded externally of the work surface without preheating, as well as the little splits created externally can launch the anxiety of the hard-facing layer. They will certainly not spread out into the base material. D. Adding a percentage of niobium carbide to the steel strengthening stage throughout steelmaking can achieve the effects of rainfall conditioning and also great grain strengthening, therefore enhancing the comprehensive mechanical residential properties of steel.

Aerospace parts are utilized as preparation materials for many aerospace tools components, such as turbine rotors, gas tails, blades, engine nozzle linings, and structural members of nuclear activators.

Chemical properties of NbC powder

Niobium carbide is an environment-friendly cubic crystal with a metallic luster belonging to a sodium chloride-type cubic crystal system. The family member thickness is 8.47, the lattice constant a= 0.447 nm, as well as the melting factor is 2300 ℃. The microhardness is > 235GPA (> 2400kg/mm2), which is tougher than corundum. The elastic 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 generated warm of 1 chemical publication is 40.7 kJ/mol. The particular warm ability is 36.8 J/( mol? K), and also the resistivity is 35 μ ω& mu; & omega;? centimeters 。 Insoluble in cold and hot hydrochloric acid, sulfuric acid, as well as nitric acid, soluble in a hot blended option of hydrofluoric acid and also nitric acid. It is secure at 1000 ~ 1100 ℃ as well as quickly oxidizes to niobium pentoxide above 1100 ℃. Niobium carbide is simple to melt in titanium, zirconium carbide, tungsten carbide, and also various other substances, forming an isomorphic solid solution combination.

The cost of NbC powder

The marketplace price of NbC powder is impacted by different variables. Currently, its market value remains in the procedure of vibrant modification. If you need it, please call us at any time.

NbC powder vendor

( aka. Modern Technology Co., Ltd.) is a reputable international chemical product supplier and also producer with 12 years of experience offering high-quality chemical materials and also manufacturing procedures. Presently, our firm has actually effectively established a series of powder products. OEM service is offered. If you are seeking NbC powder, please call us or click the required items to send us an inquiry.

Inquiry us