TZM Alloy Molybdenum Crucible for Crystal Growth & Evaporation
TZM Alloy Molybdenum Crucible for Crystal Growth & Evaporation
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