Magnesium AZ80A-T4 (UNS M11800)
AZ80A-T4 is a high-strength magnesium alloy that is commonly used in aerospace and automotive applications. It is a lightweight alloy with good strength and corrosion resistance.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | Remainder | |
| Aluminum | 8% | 9% |
| Zinc | 0.5% | 1.0% |
The following table provides a list of magnesium AZ80A-T4 properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 1810 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 330 - 380 MPa |
| Tensile Strength (Yield) | 230 - 275 MPa |
| Elongation at Break | 6 - 11% |
| Brinell Hardness | 67 - 80 |
| Thermal Properties | Metric |
| Melting Point | 475 - 610 °C |
| Solidus | 475 °C |
| Liquidus | 610 °C |
| Thermal Conductivity | 84 W/m·K |
| Specific Heat Capacity (Cp) | 1050 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 27.2 1/°C |
| Electrical Properties | Metric |
| Electrical Resistivity | 1.45×10-5 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 AZ80A-T4
| Advantages | Disadvantages |
|---|---|
| High strength-to-weight ratio | Flammability |
| Good corrosion resistance | Limited temperature range |
| Excellent castability | Susceptible to corrosion in certain environments |
| Enhanced mechanical properties | Higher cost |
| Good dimensional stability | Machining challenges |
Applications of Magnesium AZ80A-T4
Magnesium AZ80A T4 finds applications in various industries due to its advantageous properties. Here are some common applications of Magnesium AZ80A T4:
- Automotive Components: The lightweight nature of Magnesium AZ80A T4 makes it ideal for automotive applications. It is commonly used in engine components, transmission cases, intake manifolds, steering columns, and structural parts.
- Aerospace Industry: Magnesium AZ80A T4 is utilized in aerospace applications where weight savings are critical. It can be found in aircraft components such as seat frames, instrument panels, gearbox housings, and structural parts. However, it should be noted that the use of magnesium alloys in aerospace requires careful consideration due to flammability concerns.
- Electronics and Consumer Goods: The excellent castability of Magnesium AZ80A T4 makes it suitable for producing intricate and lightweight parts used in electronic devices and consumer goods. It can be used in the manufacturing of laptop cases, smartphone frames, camera bodies, and other electronic housings.
- Sports Equipment: Magnesium AZ80A T4's high strength-to-weight ratio makes it suitable for sports equipment applications. It is commonly used in lightweight bicycle frames, golf club heads, tennis rackets, and other sporting goods that require a combination of strength and low weight.
- Industrial Machinery: The enhanced mechanical properties of Magnesium AZ80A T4 make it suitable for various industrial machinery applications. It can be used in machine frames, tooling, die-casting molds, and other components where weight reduction, strength, and dimensional stability are important.