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Rhenium Crucible

Material: Rhenium, Re
Purity: Re 99.95%, 99.99%
Melting Point: 3,170 °C
Type: Straight-Wall Type, Milled Type, Spin-formed Type, Welded Type
Size Range: Outer Diameter 10~500mm * Wall Thick 2~6mm * Height 10~600mm

TFM is a top supplier of high-purity Rhenium Crucibles, known for their exceptional performance in extreme environments and high temperatures. These crucibles are trusted for their durability and reliability, even in the most demanding applications. TFM also offers competitive pricing, making them a preferred choice for many industries.

Description

A Rhenium Crucible is a metallic container with a silvery color used for various high-temperature applications, such as anti-corrosion, nuclear reactions, and ultra-high evaporation. It is made of pure Rhenium powder through a particular molding method, which enables it to withstand temperatures of over 2,000°C. Rhenium Crucibles are primarily used in the single-crystal growth of rare earth elements and gemstones. They are also utilized in chemical vapor deposition (CVD) and metal-organic chemical vapor deposition (MOCVD) processes. Due to its remarkable resistance to high temperatures and excellent thermal stability, the Rhenium Crucible is widely used in aerospace, semiconductor manufacturing, and research laboratories.

Metallic Impurities – Re 99.99% Ex. Gas Elements (ppm)

Mo10Ti5Mg1
W10Al1Mn1
Ca5Ba1Pb1
Co5Be1Pt1
K5Cd1Sb1
Na5Cr1Sn1
Ni5Cu1Zn1
*Maximum trace metallic impurities, analyzed by ICP-MS

Applications of Rhenium Crucibles

The applications of Rhenium Crucibles include:

  • 1. Anticorrosion: Rhenium Crucibles are used as containers for anticorrosion applications, demonstrating their resistance to corrosion in demanding environments.
  • 2. Nuclear Reactions: These crucibles are utilized in nuclear reactions, benefiting from the high temperature resistance and stability of rhenium.
  • 3. Ultra-High Evaporation: Rhenium Crucibles are employed in processes requiring ultra-high evaporation, where their high melting point and compatibility are advantageous.
  • 4. Single Crystal Growth: They are used for the single crystal growth of rare earth elements and gemstones, highlighting their importance in the production of high-purity materials.

The rhenium crucibles are ideal for applications that require high melting points, good compatibility, excellent oxidation resistance, and creep resistance due to the unique properties of rhenium.

Rhenium Crucibles Packaging

Our Rhenium Crucibles are carefully handled to prevent damage during storage and transportation and to preserve the quality of our products in their original condition.

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FAQ

A crucible is a heat-resistant container designed to hold materials during high-temperature processes such as melting, alloying, or chemical reactions. They’re essential in metal casting, laboratory analyses, and even certain thin-film deposition systems.

Crucibles are usually made from ceramics like alumina, zirconia, silicon carbide, or magnesia due to their high melting points and chemical inertness. Graphite and metal (e.g., steel) crucibles are also used for lower temperature applications.

The ideal crucible depends on the temperature and chemical nature of the process. Always select a crucible material with a melting point significantly higher than that of the material being processed and one that is chemically compatible to prevent reactions or contamination.

Always wear appropriate personal protective equipment (PPE) such as heat-resistant gloves, face shields, and aprons. Use proper tongs for handling, ensure adequate ventilation, and follow established protocols to avoid thermal shock and accidental spills.

Prior to use, crucibles are usually “dried” or pre-fired to remove moisture and avoid thermal shock. Some applications recommend a seasoning or “dressing” process to improve performance and extend the crucible’s lifespan.

Crucibles should be stored in a dry, well-ventilated area on wood shelving or other non-abrasive supports—not directly on concrete or metal floors—to avoid damage. They should also not be nested together to prevent chipping or cracking.

Yes, most crucibles are designed for multiple uses if they’re properly maintained and cleaned. However, frequent use at extreme temperatures or for reactive materials may eventually degrade them, in which case replacement is necessary.

Common challenges include cracking from rapid temperature changes (thermal shock), contamination from residual materials, and wear or erosion from high-temperature exposure. Following proper handling and maintenance guidelines helps mitigate these issues.

Allow the crucible to cool completely, then remove any residues with a suitable scraper or chemical cleaner if recommended. Some crucibles benefit from an acid wash to remove stubborn deposits—but always follow the manufacturer’s guidelines to prevent damage.

Ensure the crucible is pre-heated and free of moisture. Load the material slowly and evenly using appropriate tools to prevent splashing or uneven heating. For heavy or large pieces, use tongs or specialized equipment to maintain safety and consistency.

In metal casting, crucibles are used to melt and hold metals for forming alloys or casting components. In evaporation processes (e.g., thin-film deposition), they heat materials to their vaporization point, allowing controlled deposition onto substrates.

Their ability to withstand extreme temperatures and resist chemical reactions makes crucibles indispensable. They enable precise control over high-temperature processes in metallurgy, materials science, and chemical analysis, ensuring product quality and process reliability.

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