Magnesium AZ92A-T6 (UNS M11920)
AZ92A-T6 is a magnesium alloy commonly used in sand casting and permanent mold casting. It is known for its high strength and good ductility, making it suitable for applications in the aerospace, automotive, and electronics industries.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | Remainder | |
| Aluminum | 8.3% | 9.7% |
| Copper | 0.25% | |
| Manganese | 0.10% | |
| Nickel | 0.01% | |
| Silicon | 0.30% | |
| Zinc | 1.6% | 2.4% |
The following table provides a list of magnesium AZ92A-T6 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 1830 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 275 MPa |
| Tensile Strength (Yield) | 170 MPa |
| Compressive Strength (Yield) | 150 MPa |
| Bearing Strength (Ultimate) | 550 MPa |
| Bearing Strength (Yield) | 450 MPa |
| Fatigue Strength # of Cycles 1.0e+8 | 30 MPa |
| Shear Strength | 150 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 3% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 84 |
| Knoop Hardness Converted from Brinell | 108 |
| Rockwell Hardness | 88 |
| Vickers Hardness Converted from Brinell | 95 |
| Machinability | 100% |
| Charpy Impact V-notch | 0.680 J |
| Thermal Properties | Metric |
| Melting Point Incipient Melting | ≥ 410 °C |
| Solidus | 445 °C |
| Liquidus | 595 °C |
| Thermal Conductivity | 58.3 W/m·K |
| Specific Heat Capacity (Cp) | 1050 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 26.0 1/°C |
| Heat of Fusion | 373 J/g |
| Electrical Properties | Metric |
| Electrical Resistivity | 1.24×10-5 Ω·cm |
The values in this table are approximate and can vary depending on various factors such as the specific manufacturing process and heat treatment applied to the alloy.
Advantages & Disadvantages of Magnesium AZ92A-T6
| Advantages | Disadvantages |
|---|---|
| Lightweight | Flammability |
| High Strength | Limited Temperature Resistance |
| Good Castability | Susceptible to Corrosion in Certain Environments |
| Excellent Corrosion Resistance | Higher Cost |
| Electrical Conductivity | Machining Challenges |
Applications of Magnesium AZ92A-T6
Magnesium AZ92A-T6, being a lightweight and high-strength alloy with good castability and corrosion resistance, finds application in various industries. Here are some common applications of Magnesium AZ92A-T6:
- Aerospace Industry: The aerospace industry utilizes Magnesium AZ92A-T6 in the manufacturing of lightweight components for aircraft and spacecraft.
- Automotive Industry: Magnesium AZ92A-T6 is employed in the automotive sector to reduce the weight of vehicles and improve fuel efficiency.
- Sporting Goods: Due to its lightweight nature and good mechanical properties, Magnesium AZ92A-T6 is utilized in the production of sporting goods.
- Electronic Devices: Magnesium AZ92A-T6's electrical conductivity makes it suitable for electronic applications.
- Industrial Equipment: The alloy's strength, corrosion resistance, and castability make it suitable for various industrial equipment applications.
- Consumer Goods: Magnesium AZ92A-T6 is occasionally used in the production of consumer goods such as cameras, laptops, mobile devices, and other electronic gadgets.