Magnesium AM100A-T4 (UNS M10100)
AM100A-T4 is a high-performance magnesium alloy primarily used in permanent mold castings, offering an exceptional balance of strength, ductility, and weldability. This heat-treated variant combines lightweight properties with mechanical robustness, making it valuable for demanding engineering applications.
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| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | —— | Remainder |
| Aluminum | 9.3% | 10.7% |
| Copper | —— | 0.10% |
| Manganese | 0.10% | —— |
| Nickel | —— | 0.01% |
| Silicon | —— | 0.30% |
| Zinc | —— | 0.30% |
The following table provides a list of magnesium AM100A-T4 properties in both SI and US customary/Imperial units.
Click on the button 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) | 90 MPa |
| Bearing Strength (Ultimate) | 475 MPa |
| Bearing Strength (Yield) | 310 MPa |
| Shear Strength | 140 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 10% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 52 |
| Knoop Hardness Converted from Brinell | 67 |
| Rockwell Hardness | 62 |
| Machinability | 100% |
| Charpy Impact V-notch | 2.70 J |
| Thermal Properties | Metric |
| Melting Point Incipient Melting | ≥ 430 °C |
| Solidus | 463 °C |
| Liquidus | 595 °C |
| Thermal Conductivity | 73 W/m·K |
| Specific Heat Capacity (Cp) | 1050 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 25.0 1/°C |
| Heat of Fusion | 372 J/g |
| Electrical Properties | Metric |
| Electrical Resistivity | 1.75×10-5 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 AM100A-T4
| Advantages | Disadvantages |
|---|---|
| Strong and ductile | Corrosion prone |
| Good machinability | High cost |
| Good weldability | Low melting point |
| Lightweight |
Applications of Magnesium AM100A-T4
AM100A-T4 is widely utilized across several industries due to its strength-to-weight ratio and formability, including:
- Aerospace: Used in a variety of aerospace applications, including aircraft bodies, engine parts, and landing gear.
- Automotive: Used in a variety of automotive applications, including engine blocks, suspension parts, and wheels.
- Defense: Used in a variety of defense applications, including weapons, ammunition, and vehicles.
- Marine: Used in a variety of marine applications, including boats, ships, and submarines.
- Medical: Used in a variety of medical applications, including implants, prosthetics, and surgical instruments.
- Tooling: Used in a variety of tooling applications, including dies, molds, and fixtures.