Description
Overview Of Mo
Spherical molybdenum powder (SMP) is a high-purity metal powder with a spherical morphology, primarily used in advanced manufacturing applications such as additive manufacturing (3D printing), high-temperature alloys, and aerospace components. Below is a comprehensive description of its composition, physical, and mechanical properties, supported by key data from industry standards and research:
Powder Chemical Composition(wt,-%)
| Element | Content (wt%) |
| Mo | ≥99.9 |
| O | ≤0.03 |
| C | ≤0.01 |
| Fe | ≤0.01 |
Physical properties
| Product Brand | SMo53 | SMo105 |
| Product
Specification |
15~53μm | 45~105μm |
| Fluidity
Apprarent Density Tap Density |
15~53μm |
≤15.0s/50g ≥5.2g/cm³
≥5.7g/cm³ |
| Spherical | ≥0.90 | |
| Purity | ≥99.9% | |
| Oxygen Content | ≤300ppm |
Mechanical Properties
Post-processing (e.g., sintering) significantly enhances mechanical performance. Key metrics for parts made from spherical molybdenum powder include:
| Parameter | Value |
| Melting point | 2622°C |
| Thermal conductivity | 138 W/m·K |
| Hardness (HV) | 2.5–3.0 GPa |
| Compressive strength | 1200–1500 MPa |
| Thermal expansion coefficient | 5.0 × 10⁻⁶ /°C (25–1000°C) |
Primary Applications
Aerospace
Rocket nozzles, turbine blades, and thermal shielding due to high melting point and thermal stability46.
Nuclear Energy
Plasma-facing components in fusion reactors (e.g., ITER project)8.
Additive Manufacturing
Used in laser powder bed fusion (LPBF) for complex geometries with minimal porosity12.
Thermal Spray Coatings
Corrosion-resistant coatings for industrial equipment1

