What are the main application areas of niobium crucibles?

1. Scientific research and experimental fields:

• Material synthesis and analysis: In laboratories of universities and scientific research institutions, niobium crucibles are often used in synthesis experiments of various materials, such as the synthesis of new ceramic materials, intermetallic compounds, etc. Its high temperature resistance and corrosion resistance can ensure that the crucible is not corroded by the reaction substances during the experiment, ensuring the accuracy of the experimental results. For example, when synthesizing high-temperature ceramic materials, it is necessary to react and sinter at high temperatures, and niobium crucibles can withstand such high temperature environments.

• Element analysis and detection: In experiments such as spectral analysis and chemical analysis, niobium crucibles can be used as sample containers. Due to the stable chemical properties of niobium, it will not contaminate the sample and can ensure the reliability of the analysis results. For example, in atomic absorption spectroscopy analysis, the sample is placed in a niobium crucible for heating treatment, and then atomized for detection.

2. Industrial production fields:

• Metal smelting and casting: In the metal smelting industry, niobium crucibles can be used to smelt and refine some special metals, such as titanium and zirconium. These metals have high melting points and high requirements for the smelting environment. Niobium crucibles can meet their smelting needs and will not react chemically with metals, ensuring the purity of the metals.

• Semiconductor manufacturing: In the semiconductor industry, niobium crucibles can be used to manufacture semiconductor materials, such as the purification and single crystal growth process of silicon and germanium. In a high temperature and high vacuum environment, niobium crucibles can remain stable, providing a reliable container for the production of semiconductor materials.

• Glass manufacturing: In the glass industry, niobium crucibles can be used for melting and molding glass. The production of glass requires a high temperature environment. Niobium crucibles can withstand the high temperature erosion of glass melt and will not affect the composition of the glass, ensuring the quality of the glass.

3. High temperature treatment field:

• Heat treatment: In some processes that require high temperature heat treatment, such as annealing and quenching of metal materials, niobium crucibles can be used as heating containers. Its good high temperature resistance and thermal stability can ensure the smooth progress of the heat treatment process.

• High temperature sintering: In the sintering process of powder metallurgy, ceramic materials, etc., niobium crucibles can be used to hold powder materials and sinter at high temperatures. It can withstand the high temperature and pressure during the sintering process, providing a stable environment for the sintering of materials.

4. Aerospace field:

The aerospace field has extremely high requirements for the performance of materials, and niobium crucibles can be used in the process of manufacturing aerospace parts. For example, when manufacturing high-temperature alloy parts, niobium crucibles can be used to melt and cast alloy materials to ensure the quality and performance of parts.