Fe-Si-Al Sendust Reduced Iron Metal Powder Magnetic Shielding EMI Suppression
Revolutionizing Magnetic Shielding and EMI Suppression
Fe-Si-Al Sendust powder has emerged as a groundbreaking solution for electromagnetic interference (EMI) suppression. This innovative material, composed of iron, silicon, and aluminum, offers exceptional magnetic shielding capabilities for various applications.
Understanding Fe-Si-Al Sendust Powder
Fe-Si-Al Sendust powder is a soft magnetic material typically composed of 85% iron, 9% silicon, and 6% aluminum, making it highly effective in absorbing stray electromagnetic fields.
Key Properties
- High Permeability: Effectively absorbs and suppresses electromagnetic waves
- Low Core Loss: Ensures efficient energy transfer with minimal power wastage
- Temperature Stability: Maintains performance across wide temperature ranges
- Corrosion Resistance: Aluminum content enhances durability in various environments
Applications
Inductors and Transformers: Reduces electromagnetic interference in high-performance components
Magnetic Cores: Used in pulse transformers and switching regulator inductors for efficient EMI suppression
EMI Shielding: Protects sensitive electronic components from interference, especially in high-frequency devices
Audio Equipment: Enhances performance by maintaining signal integrity through EMI absorption
Material Comparison
| Property |
Iron-Based Alloy Powders |
Stainless Steel (316L) |
Nickel Alloys (Inconel 625) |
Titanium (Ti-6Al-4V) |
| Density (g/cm³) |
7.4-7.9 (varies by alloy) |
7.9 |
8.4 |
4.4 |
| Hardness (HRC) |
20-65 (depends on heat treatment) |
25-35 |
20-40 (annealed) |
36-40 |
| Tensile Strength (MPa) |
300-1,500+ |
500-700 |
900-1,200 |
900-1,100 |
| Corrosion Resistance |
Moderate (improves with Cr/Ni) |
Excellent |
Excellent |
Excellent |
| Max Operating Temp. (°C) |
500-1,200 (alloy-dependent) |
800 |
1,000+ |
600 |
| Cost (vs. Pure Fe = 1x) |
1x-5x (alloy-dependent) |
3x-5x |
10x-20x |
20x-30x |
Powder Injection Molding Technology
Compared with traditional processes, this technology offers high precision, excellent homogeneity, superior performance, and lower production costs. Products are widely used in consumer electronics, communications, medical equipment, automotive, watchmaking, and aerospace industries.
Powder Specifications
| Particle Size |
Tapping Density (g/cm³) |
Particle Size Distribution (μm) |
| D50:12um |
>4.8 |
D10: 3.6-5.0 | D50: 11.5-13.5 | D90: 22-26 |
| D50:11um |
>4.8 |
D10: 3.0-4.5 | D50: 10.5-11.5 | D90: 19-23 |
Factory Equipment
Exhibition & Partners
Case Studies
Ship to Poland
Ship to Germany
Frequently Asked Questions
What types of stainless steel powders are used in 3D printing?
- Common grades include 316L (excellent corrosion resistance), 17-4 PH (high strength and hardness), 304L (general-purpose use), and 420 (wear resistance)
What is the typical particle size for stainless steel powders in 3D printing?
- The particle size typically ranges from 15 to 45 micrometers (µm), with spherical particles preferred for better flowability
Can stainless steel powders be reused?
- Yes, unused powder can often be recycled by sieving and blending with fresh powder, though regular testing is recommended
What safety precautions should be taken when handling stainless steel powders?
- Use gloves, masks, and protective clothing to avoid inhalation or skin contact
- Store powders in dry, airtight containers to prevent moisture absorption
- Handle in well-ventilated areas or under inert gas to minimize explosion risks
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