Niobium particles for evaporation


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Niobium particles have the following properties:
1. Physical characteristics:
Appearance: Niobium elemental is a shiny gray metal particle that turns blue when exposed to air and oxygen.
• Density: The relatively high density of about 8.57g/cm³ gives niobium particles an advantage in some applications where material density is required.
• Melting point: Melting point up to 2468 ° C (some data show 2477 ° C), is a high melting point metal, can be stable in high temperature environment, so it can be used in high temperature applications, such as aerospace engines and heat-resistant parts.
• Ductility: High purity niobium metal has high ductility, but as the impurity content increases, the ductility decreases and the texture becomes hard.
• Electrical conductivity: It has good electrical conductivity and has application potential in fields requiring electrical conductivity such as the electronics industry.
Superconductivity: It transforms into a superconductor at extremely low temperatures, a property that makes it useful in the field of superconducting materials, such as superconducting cables and superconducting magnets.
2. Chemical properties:
• Activity: Niobium is an active metal element, easy to react with carbon, sulfur, nitrogen, oxygen and other elements.
Corrosion resistance: When niobium forms a layer of oxide on its surface, it becomes resistant to further corrosion.At room temperature, niobium does not react with acids, but it does react under hot concentrated acids and strong bases.
• Catalytic performance: Niobium particles have certain catalytic properties and can act as catalysts in some chemical reactions.For example, in some organic synthesis reactions, niobium particles can be used as catalysts to improve the rate and selectivity of the reaction.
3. Other features:
• Low neutron capture cross section: The capture cross section for thermal neutrons is very low, which makes niobium an important application in the nuclear industry, such as as a jacket material for nuclear fuel, and a structural material for heat exchangers in nuclear reactors.
• Dispersibility: Niobium particles have high dispersibility and can be dispersed in many substrates, such as glass, ceramics, metals, etc.

Product Description

Niobium particles are widely used in the following areas:

1. Steel industry:

• Adding niobium to steel as a microalloying element can improve the strength, toughness, high temperature oxidation resistance and corrosion resistance of steel, reduce the brittle transition temperature of steel, so that steel has good weldability and molding properties.For example, it is used in the production of high-strength construction steel, automobile steel, ship steel and so on.

2. Superconducting material field:

• Niobium is an important superconducting material element, and niobium particles can be used to make superconducting cables, superconducting magnets, superconducting quantum interference devices and other components of superconducting devices.It has key applications in medical imaging equipment (such as magnetic resonance imaging MRI), high energy physics experimental devices, nuclear fusion reactors and other fields that have high requirements for magnetic field control and energy transmission.

3. Aerospace Industry:

• Because niobium has a high melting point, good thermal strength and thermal resistance, it can be used in the production of rockets, spacecraft engines and heat-resistant components, such as engine blades, combustion chambers, nozzles, etc.In addition, in the structural parts of aircraft, landing gear and other parts, niobium alloy is also used, which can reduce the weight of parts, while improving the strength of the structure and high temperature resistance.

4. Atomic energy industry:

• Niobium has a low neutron capture cross section and is a suitable material for atomic reactors.Its main uses include nuclear fuel jacket material, nuclear fuel alloy, nuclear reactor heat exchanger structure material and so on.In the development of nuclear industry, niobium particles play an important role in ensuring the safe operation of nuclear reactors and improving the efficiency of nuclear energy utilization.

5. Electronics Industry:

• Niobate ceramics can be used to make capacitors.Lithium niobate, potassium niobate and other compound single crystals are new optoelectronics and electronics crystals, with good piezoelectric, thermoelectric and optical properties, are widely used in infrared, laser technology and electronics industry, such as for the production of optical modulators, filters, acousto-optic devices and so on.

• Niobium particles can also be used for electron beam evaporation coating, which is used to prepare conductive film, insulating film and other thin film materials in the process of semiconductor chip manufacturing and flat panel display manufacturing.

6. Chemical industry:

• Niobium particles, due to their good corrosion resistance, can be used to make corrosion-resistant parts in chemical equipment, such as reactors, pipelines, valves, etc.In some special chemical reactions, niobium particles can also be used as catalysts to improve the rate and selectivity of the reaction.

7. Research field:

• In the experimental research of universities and scientific research institutions, niobium particles can be used as raw materials for a variety of material properties testing, alloy preparation research, physical and chemical properties exploration and other experiments.

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Niobium particles for evaporation

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