Magnesium AZ63A-T7 (UNS M11630)
AZ63A-T7 is a magnesium alloy that is commonly used in aerospace and automotive applications. It is a lightweight and strong alloy with good corrosion resistance.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | Remainder | |
| Aluminum | 5.3% | 6.7% |
| Copper | 0.25% | |
| Manganese | 0.15% | |
| Nickel | 0.01% | |
| Silicon | 0.30% | |
| Zinc | 2.5% | 3.5% |
The following table provides a list of magnesium AZ63A-T7 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) | 115 MPa |
| Bearing Strength (Ultimate) | 515 MPa |
| Fatigue Strength # of Cycles 5.0e+8 | 115 MPa |
| Shear Strength | 140 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 6% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 64 |
| Knoop Hardness Converted from Brinell | 87 |
| Rockwell Hardness | 76 |
| Vickers Hardness Converted from Brinell | 76 |
| Machinability | 100% |
| Thermal Properties | Metric |
| Melting Point Incipient Melting | ≥ 360 °C |
| Solidus | 455 °C |
| Liquidus | 610 °C |
| Thermal Conductivity (T4 Temper) | 65.1 W/m·K |
| Specific Heat Capacity (Cp) | 1050 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 26.1 1/°C |
| Heat of Fusion | 373 J/g |
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 AZ63A-T7
| Advantages | Disadvantages |
|---|---|
| Lightweight | Corrosion susceptibility |
| Good strength-to-weight ratio | Limited temperature range |
| Excellent machinability | Limited availability |
| Good damping capacity | Higher cost |
Applications of Magnesium AZ63A-T7
Magnesium AZ63A-T7, as a lightweight and relatively strong magnesium alloy, finds various applications across industries. Here are some common applications:
- Automotive Industry: Magnesium AZ63A-T7 is used in the automotive industry for lightweight structural components, such as engine blocks, transmission cases, intake manifolds, and instrument panel structures.
- Aerospace Industry: The aerospace sector utilizes Magnesium AZ63A-T7 in applications where weight reduction is crucial, such as aircraft seat frames, interior components, brackets, and structural parts.
- Electronics and Consumer Goods: Due to its excellent machinability and damping properties, Magnesium AZ63A-T7 is employed in consumer electronic devices like laptops, smartphones, and tablets.
- Sports Equipment: Magnesium AZ63A-T7 is used in the manufacturing of sports equipment such as golf club heads, tennis racquets, and bicycle frames.
- Medical Devices: Magnesium AZ63A-T7 can be found in certain medical devices and equipment due to its biocompatibility and lightweight characteristics.
- Industrial Applications: The alloy's good strength and machinability make it suitable for various industrial applications such as machinery parts, tools, and equipment.