Magnesium ZC71-T6 (UNS M16710)
ZC71-T6 is a high-strength magnesium alloy that is commonly used in aerospace and automotive applications. It is known for its excellent strength-to-weight ratio, corrosion resistance, and fatigue resistance.
| 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-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) | 360 MPa |
| Tensile Strength (Yield) | 340 MPa |
| Young’s Modulus (E) | 44.2 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 6% |
| Poisson’s Ratio (ν) | 0.30 |
| 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-T6
| Advantages | Disadvantages |
|---|---|
| Low density, one of the lightest structural metals | High reactivity and susceptibility to corrosion |
| Excellent strength-to-weight ratio | Limited temperature resistance (low melting point) |
| Good mechanical properties, including high strength | Limited availability and higher cost compared to other metals |
| Good damping capacity, reducing vibration and noise | Prone to stress corrosion cracking |
| Good machinability, allowing for complex shapes and designs | Requires specialized equipment and expertise for processing |
| Good electromagnetic shielding capabilities | Limited welding options compared to other metals |
| Recyclable and environmentally friendly | Prone to galvanic corrosion when in contact with certain metals |
Applications of Magnesium ZC71-T6
Magnesium ZC71-T6, being a magnesium alloy with enhanced strength and hardness, finds applications in various industries. Some common applications of Magnesium ZC71-T6 include:
- Aerospace Industry: Magnesium alloys are utilized in aerospace applications due to their lightweight properties. Magnesium ZC71-T6 can be used in aircraft components, such as structural parts, engine casings, and landing gear components, to reduce weight and improve fuel efficiency.
- Automotive Industry: The automotive industry benefits from the lightweight nature of magnesium alloys, which helps improve fuel economy. Magnesium ZC71-T6 can be employed in the manufacturing of engine blocks, transmission cases, steering columns, and other components, contributing to weight reduction in vehicles.
- Electronics: Magnesium ZC71-T6’s good electromagnetic shielding capabilities make it suitable for electronic devices. It can be used in the production of laptop frames, tablet casings, and other electronic enclosures to protect against electromagnetic interference (EMI).
- Sporting Goods: The lightweight and strong characteristics of magnesium alloys make them desirable for sporting goods. Magnesium ZC71-T6 can be employed in the production of bicycle frames, tennis rackets, golf club heads, and other sporting equipment where a balance of strength, weight, and durability is essential.
- Medical Devices: Magnesium alloys, including ZC71-T6, are considered for medical devices due to their biocompatibility and lightweight properties. They can be used in implants, surgical instruments, and medical equipment where weight reduction and compatibility with the human body are crucial.
- Consumer Electronics: The excellent machinability and lightweight properties of magnesium alloys make them suitable for consumer electronic devices. Magnesium ZC71-T6 can be utilized in the manufacturing of laptop frames, camera bodies, and other consumer electronic casings, providing both structural integrity and lightweight design.