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Molybdenum Alloy Heating Element Processing Case Study
2025-11-03
Product Overview
Molybdenum alloy heating elements are critical components in high-temperature industrial applications, leveraging molybdenum’s exceptional melting point (2,623°C) and stability under extreme conditions. These elements are precision-engineered via CNC machining China expertise to ensure dimensional accuracy and performance in environments exceeding 1,700°C, such as vacuum furnaces and glass melting systems. Customized from alloys like TZM (Titanium-Zirconium-Molybdenum) or Mo-La (Lanthanum-Oxide-Doped), they combine high thermal conductivity, low vapor pressure, and resistance to deformation.
Key Features
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- High-Temperature Resilience: Operates reliably up to 2,000°C in inert or vacuum atmospheres, with minimal thermal expansion.
- Superior Machinability: Precision CNC machining enables complex geometries (rods, coils, strips) while maintaining tight tolerances (±0.01–0.05 mm).
- Oxidation Resistance: Performs optimally in controlled atmospheres (e.g., hydrogen or nitrogen), reducing contamination risks.
- Customization Flexibility: Tailored designs for aerospace, semiconductor, and glass industries, supported by wire EDM and laser cutting.
Technical Parameters
| Parameter | Specification |
|---|---|
| Material Grades | Pure Mo (99.95%), TZM, Mo-La, Mo-Re |
| Density | 10.2 g/cm³ |
| Thermal Conductivity | 138 W/(m·K) |
| Maximum Operating Temperature | 1,900°C (inert/vacuum) |
| Electrical Resistivity | 0.05–0.06 Ω·mm²/m (20°C) |
| Standard Tolerances | ±0.05 mm (dimensional) |
Applications
- Aerospace: Heating elements for satellite components and high-temperature vacuum furnaces.
- Glass Manufacturing: Electrodes for melting high-purity glass without contamination.
- Semiconductor: Heat sinks, sputtering targets, and crucibles for LED crystal growth.
- Medical Technology: X-ray collimators and radiation shielding.
Customization Services
Our precision CNC machining capabilities support end-to-end customization:
- Material Selection: Alloy optimization (e.g., TZM for creep resistance, Mo-Re for ductility).
- Geometry Fabrication: CNC milling, turning, and wire EDM for intricate shapes.
- Surface Finishing: Polishing or anti-oxidation coatings (e.g., MoSi₂) for enhanced durability.
Support & Quality Assurance
- DFM Analysis: Pre-production design reviews to optimize manufacturability.
- Quality Control: CMM measurements and NDT testing to ensure crack-free components.
- Post-Machining Treatments: Stress-relief annealing at 1,000–1,200°C to prevent deformation.
