Magnesium AZ92A-T5 (UNS M11920)
AZ92A-T5 is a magnesium alloy that is commonly used in sand and permanent-mold castings. It has a high tensile strength and good yield strength, making it suitable for applications where strength and durability are important.
| 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-T5 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) | 170 MPa |
| Tensile Strength (Yield) | 115 MPa |
| Bearing Strength (Ultimate) | 345 MPa |
| Fatigue Strength # of Cycles 5.0e+8 | 76 MPa |
| Shear Strength | 140 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 1% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 69 |
| Knoop Hardness Converted from Brinell | 92 |
| Rockwell Hardness | 80 |
| Vickers Hardness Converted from Brinell | 79 |
| Machinability | 100% |
| 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-T5
| Advantages | Disadvantages |
|---|---|
| Lightweight | Corrosion susceptibility |
| High strength-to-weight ratio | Limited temperature range |
| Good machinability | Higher cost |
| Excellent damping properties | Flammability |
| Recyclability |
Applications of Magnesium AZ92A-T5
Magnesium AZ92A-T5 alloy is utilized in various applications where its specific properties offer advantages. Some common applications of Magnesium AZ92A-T5 include:
- Automotive industry: The lightweight nature of magnesium alloys makes them suitable for automotive components, such as engine blocks, transmission cases, steering columns, and various structural parts.
- Aerospace industry: The aerospace sector benefits from magnesium AZ92A-T5 due to its lightweight properties and strength. It can be used in aircraft components like engine housings, gearbox casings, landing gear parts, and structural components where weight savings are critical for fuel efficiency and maneuverability.
- Electronic devices: Magnesium AZ92A-T5 is utilized in electronic devices, including laptops, tablets, and smartphones. Its lightweight properties, good machinability, and electromagnetic shielding capabilities make it suitable for structural frames, heat sinks, and other housing components.
- Sports equipment: The alloy's high strength-to-weight ratio and damping properties make it favorable for sports equipment. It can be used in bicycle frames, golf club heads, tennis racquets, and other lightweight, high-performance sporting goods.
- Industrial machinery: Magnesium AZ92A-T5 is employed in various industrial machinery applications where weight reduction and high strength are essential. It can be used in machine frames, tooling, and equipment components.
- Consumer goods: The alloy finds application in the production of consumer goods, such as camera bodies, musical instruments, and camping equipment, due to its lightweight characteristics and good machinability.