Molybdenum Crucible for Rare Earth Melting

Short Description:

Precision-engineered molybdenum crucibles with 99.95% purity and optional Al₂O₃/Y₂O₃ CVD coatings. Ideal for crystal growth (sapphire/LiTaO₃), electron beam evaporation, and high-purity alloy melting. Features: <0.8μm surface finish, 2000°C oxidation resistance, ASTM B386 compliant. OEM sizes available...

Material Grade: 99.95% Mo (Pure) | MoLa (Lanthanum Alloy) | TZM Alloy
Density: 10.2 g/cm³
Diameter: customizable
Application: Rare Earth Melting
Melting Point : 2620°C

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Product Details

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Molybdenum Crucible for Rare Earth Melting

Special Features:

1. Ultra-High Purity - Minimizes contamination in sensitive processes

2. Thermal Shock Resistant - Withstands rapid temperature changes

3. Custom Coatings Available - MoSi₂ for oxidation protection (up to 1700°C)

4. Precision Manufacturing - ±0.5% dimensional tolerance

Technical Data

Parameter	Specification	Remarks
Material Composition	99.95% Pure Mo / TZM Alloy (Mo-0.5Ti-0.1Zr)	High-purity 99.99% available on request
Density	10.2 g/cm³	Actual: 9.8-10.1 g/cm³ (process dependent)
Melting Point	2620°C	Pure molybdenum
Max Working Temperature	1900°C (inert/vacuum)	1700°C with MoSi₂ coating in oxidizing env.
Thermal Conductivity	138 W/m·K @ 20°C	Decreases to 98 W/m·K @ 1000°C
Thermal Expansion	4.8×10⁻⁶/°C (20-1000°C)	Matches silicon/sapphire CTE

Primary Applications:
• Semiconductor: CVD reactors, MOCVD, wafer processing
• Crystal Growth: Sapphire, LED, laser crystals
• Vacuum Metallurgy: Rare earth melting, alloy production
• Research Labs: High-temperature material testing

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