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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.

Rhenium Crucible

Introduction

Rhenium Crucibles are high-performance refractory containers engineered for applications demanding extreme thermal stability, corrosion resistance, and chemical inertness. With one of the highest melting points among all metals (3180 °C), rhenium is an ideal choice for handling aggressive melts, high-purity growth processes, and advanced material research. Its unique properties make rhenium crucibles indispensable in single-crystal growth, semiconductor research, aerospace, and high-temperature chemistry.

Detailed Description

Manufactured from high-purity rhenium (≥99.9%), these crucibles are fabricated by precision machining, powder metallurgy, or hot-pressing techniques to achieve excellent density and surface finish. Rhenium crucibles are available in standard geometries (cylindrical, conical, boat-shaped) as well as customized designs to meet specific experimental and industrial needs.

Key features include:

  • Ultra-High Melting Point (3180 °C) – ideal for ultra-high-temperature applications.

  • High Density (21.02 g/cm³) – provides stability against deformation under extreme conditions.

  • Corrosion Resistance – withstands aggressive molten metals, salts, and oxides.

  • Low Vapor Pressure – ensures minimal contamination in high vacuum or inert atmospheres.

  • Custom Fabrication – tailored to specific shapes, wall thicknesses, and dimensions.

Applications

Rhenium crucibles are commonly used in:

  • Single Crystal Growth – for semiconductors, oxides, and advanced functional materials.

  • High-Temperature Metallurgy – melting and refining rare or reactive metals.

  • Aerospace R&D – high-temperature materials testing and alloy development.

  • Semiconductor Industry – crucibles for epitaxial growth and high-purity processing.

  • Material Science Research – handling aggressive chemicals and studying refractory systems.

Technical Parameters

ParameterTypical Value / RangeImportance
Purity99.9% – 99.99%Ensures minimal contamination
Melting Point3180 °CSuitable for ultra-high-temperature use
Density21.02 g/cm³Provides dimensional stability
Wall Thickness0.5 – 5 mm (customizable)Balances thermal strength and capacity
DimensionsØ10 – 200 mm (customizable)Fits diverse experimental setups
FormCylindrical, conical, boat, customMeets specific application needs

Comparison with Related Materials

MaterialKey AdvantageTypical Application
Rhenium CrucibleExtreme high-temp resistance, inertnessSingle crystal growth, semiconductor R&D
Tungsten CrucibleCost-effective, strong at high tempGeneral metallurgy, vacuum furnaces
Molybdenum CrucibleLightweight, good thermal stabilityGlass melting, evaporation processes

FAQ

QuestionAnswer
What is the maximum temperature Rhenium crucibles can handle?Up to ~3000 °C in vacuum or inert atmospheres.
Can Rhenium crucibles be reused?Yes, with proper handling they offer long service life under high-temperature cycling.
Are custom designs available?Yes, we provide tailored geometries based on drawings or requirements.
Which industries use Rhenium crucibles most?Semiconductor, aerospace, materials research, and metallurgy.
How are crucibles packaged?Each crucible is vacuum-packed, cushioned with foam, and shipped in export-grade cartons or wooden crates.

Packaging

Each Rhenium Crucible is cleaned, vacuum-sealed, and carefully packaged with foam or protective inserts. Export-safe cartons or wooden crates are used to guarantee safe delivery and long-term storage without damage or contamination.

Conclusion

Rhenium Crucibles represent the pinnacle of refractory metal processing equipment, delivering unmatched high-temperature stability and corrosion resistance. With customizable designs, ultra-high purity, and reliable performance, they are essential tools for advanced crystal growth, metallurgy, and semiconductor research.

For detailed specifications and a quotation, please contact us at [sales@thinfilmmaterials.com].

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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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