Magnesium ZC71 (UNS M16710)
ZC71 is a high-strength magnesium alloy that is known for its excellent combination of strength, formability, and corrosion resistance. It is commonly used in aerospace and automotive applications due to its lightweight and durable properties.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | 90.0% | 92.5% |
| Copper | 1.0% | 1.5% |
| Manganese | 0.50% | 1.0% |
| Nickel | 0.01% | |
| Silicon | 0.20% | |
| Zinc | 6.0% | 7.0% |
| Residuals | 0.30% | |
The following table provides a list of magnesium ZC71 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) | 280 MPa |
| Tensile Strength (Yield) | 180 MPa |
| Young’s Modulus (E) | 44.2 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 12% |
| Poisson’s Ratio (ν) | 0.30 |
| Brinell Hardness 500 kg load, 10 mm ball | 75 |
| Knoop Hardness Converted from Brinell | 85 |
| Vickers Hardness Converted from Brinell | 98 |
| Thermal Properties | Metric |
| Melting Point | 455 - 635 °C |
| Solidus | 455 °C |
| Liquidus | 635 °C |
| Thermal Conductivity | 122 W/m·K |
| Specific Heat Capacity (Cp) Typical value for Mg alloys | 1.00 J/g·°C |
| Electrical Properties | Metric |
| Electrical Resistivity | 5.40×10-6 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 ZC71
| Advantages | Disadvantages |
|---|---|
| Light weight | Corrosion prone |
| Good strength | High cost |
| Easy to machine | Low melting point |
| Good weldability | Poor fatigue strength |
Applications of Magnesium ZC71
Magnesium ZC71 is a versatile material that can be used in a wide range of applications. Some of the most common applications of ZC71 include:
- Automotive: Magnesium ZC71 is used in a variety of automotive components, including engine blocks, transmission cases, and suspension components. It is also used in the manufacture of car bodies, as it can help to reduce the weight of the vehicle and improve fuel efficiency.
- Aerospace: Magnesium ZC71 is used in a variety of aerospace components, including aircraft frames, engine parts, and landing gear. It is also used in the manufacture of satellites and other space vehicles.
- Defense: Magnesium ZC71 is used in a variety of defense applications, including military vehicles, weapons, and ammunition. It is also used in the manufacture of body armor and other protective gear.
- Construction: Magnesium ZC71 is used in a variety of construction applications, including building frames, bridges, and other structures. It is also used in the manufacture of solar panels and other renewable energy products.
- Medical: Magnesium ZC71 is used in a variety of medical applications, including implants, surgical instruments, and medical equipment. It is also used in the manufacture of dental fillings and other dental products.
- Electronics: Magnesium ZC71 is used in a variety of electronics applications, including computer cases, circuit boards, and other electronic components. It is also used in the manufacture of batteries and other energy storage devices.