Magnesium AZ80A-T5 (UNS M11800)
AZ80A-T5 is a lightweight magnesium alloy that is commonly used in the automotive and aerospace industries due to its high strength-to-weight ratio.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | Remainder | |
| Aluminum | 7.8% | 9.2% |
| Copper | 0.05% | |
| Iron | 0.005% | |
| Manganese | 0.12% | |
| Nickel | 0.005% | |
| Silicon | 0.10% | |
| Zinc | 0.20% | 0.80% |
The following table provides a list of magnesium AZ80A-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 | 1800 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 380 MPa |
| Tensile Strength (Yield) | 275 MPa |
| Compressive Strength (Yield) | 240 MPa |
| Shear Strength | 165 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 7% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 82 |
| Knoop Hardness Converted from Brinell | 106 |
| Vickers Hardness Converted from Brinell | 93 |
| Machinability | 100% |
| Thermal Properties | Metric |
| Melting Point Incipient Melting | ≥ 427 °C |
| Solidus | 490 °C |
| Liquidus | 610 °C |
| Thermal Conductivity | 76 W/m·K |
| Specific Heat Capacity (Cp) | 1050 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 26.0 1/°C |
| Heat of Fusion | 370 J/g |
| 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-T5
| Advantages | Disadvantages |
|---|---|
| High strength-to-weight ratio | High reactivity |
| Good mechanical properties | Corrosion susceptibility without proper protective coatings |
| Excellent machinability/td> | Limited availability |
| Good vibration damping characteristics | Relatively high cost compared to some other alloys |
Applications of Magnesium AZ80A-T5
Magnesium AZ80A-T5 alloy has various applications across different industries due to its favorable combination of lightweight, strength, and formability. Here are some common applications of Magnesium AZ80A-T5:
- Aerospace Industry: Magnesium alloys, including AZ80A-T5, are used in aircraft components that require lightweight materials, such as aircraft frames, engine mounts, landing gear, and interior structural parts.
- Automotive Industry: The automotive industry utilizes Magnesium AZ80A-T5 for lightweight components to enhance fuel efficiency and reduce emissions. It is used in various parts such as engine blocks, transmission cases, steering columns, wheels, and structural components.
- Consumer Electronics: Magnesium AZ80A-T5 is employed in consumer electronics, particularly in portable devices where weight reduction is crucial. It can be found in laptop frames, tablet casings, smartphone components, and camera bodies, providing a balance between structural integrity and lightweight design.
- Sports and Recreation: Due to its lightweight nature and high strength, Magnesium AZ80A-T5 is used in sports and recreational equipment. Examples include bicycle frames, golf club heads, tennis racket frames, and camping gear like lightweight tent poles.
- Medical Devices: Magnesium alloys find applications in the medical field, particularly for implants and surgical tools. The lightweight and biocompatible properties of AZ80A-T5 make it suitable for orthopedic implants, such as screws and plates, as well as for temporary support structures during bone healing.
- Industrial and General Engineering: Magnesium AZ80A-T5 is used in various industrial and engineering applications where weight reduction, strength, and ease of fabrication are essential. It can be found in machinery components, industrial tools, structural supports, and electrical housings.