AZ31 Spherical Magnesium Alloy Powder, ( AZ31 Mg, 15-53 µm, Purity: > 95 % )

Technical Specifications of AZ31 Magnesium Alloy Powder

1. Chemical Composition:

   • Magnesium (Mg): Balance (~96-97%)
   • Aluminum (Al): 2.5–3.5%
   • Zinc (Zn): 0.6–1.4%
   • Manganese (Mn): 0.2–1.0%
   • Silicon (Si): ≤ 0.05%
   • Iron (Fe): ≤ 0.005%
   • Copper (Cu): ≤ 0.05%
   • Nickel (Ni): ≤ 0.005%
   • Other elements (each): ≤ 0.02%
   • Total impurities: ≤ 1.0%

2. Physical Properties:

   • Purity: > 95%
   • Particle Size: 15-53 μm (microns)
   • Density: ~1.77 g/cm³
   • Melting Point: ~620-650°C
   • Morphology: Spherical (typically produced via gas atomization or PREP (Plasma Rotating Electrode Process))
   • Color: Light gray metallic
   • Thermal Conductivity: ~96 W/m·K
   • Electrical Conductivity: ~38% IACS (compared to copper)

3. Mechanical Properties (Bulk AZ31 Alloy):

   • Tensile Strength: 220–280 MPa
   • Yield Strength: 150–200 MPa
   • Hardness: ~50-60 HV
   • Elongation: ~10-15% (higher ductility than AZ91)
   • Corrosion Resistance: Improved compared to pure Mg, but lower than AZ91 due to lower Al content

4. Production Methods:

   • Gas atomization
   • Plasma Rotating Electrode Process (PREP)
   • Mechanical milling

Applications of AZ31 Magnesium Alloy Powder

1. Additive Manufacturing (3D Printing)

• Compatible with Selective Laser Melting (SLM) and Electron Beam Melting (EBM)
• Produces lightweight, high-strength components for aerospace and medical industries

2. Powder Metallurgy (PM)

• Used in sintering, hot pressing, and cold pressing to create structural components with lightweight and high strength

3. Automotive & Aerospace Applications

• Ideal for lightweight vehicle and aircraft components to enhance fuel efficiency
• Applied in aerospace brackets, drones, UAV structures, and automotive panels

4. Biomedical & Biodegradable Implants

• Biocompatible and biodegradable, making it suitable for bone screws, fixation plates, and stents
• Lower aluminum content makes it safer for medical implants compared to AZ91

5. Coating and Surface Engineering

• Used in thermal spraying and cold spraying to create corrosion-resistant coatings for lightweight materials

6. Hydrogen Storage & Energy Applications

• Magnesium-based powders, including AZ31, are researched for hydrogen storage applications
• Used in magnesium-ion battery anodes due to its electrochemical properties

7. Defense & Electronics

• Lightweight casing for military equipment, electronic housings, and portable devices
• Magnesium alloys reduce electromagnetic interference (EMI) in electronics

8. Aerospace Flame-Resistant Applications

• AZ31 can be processed into flame-resistant alloys when combined with specific coatings