Magnesium AZ91C-F (UNS M11914)
AZ91C-F is a cast magnesium alloy with high strength and good machinability. It is typically used in automotive, aerospace, and marine applications.
| Chemical Composition | ||
|---|---|---|
| Element | Min | Max |
| Magnesium | Remainder | |
| Aluminum | 8.1% | 9.3% |
| Copper | 0.10% | |
| Manganese | 0.13% | |
| Nickel | 0.01% | |
| Silicon | 0.30% | |
| Zinc | 0.40% | 1.0% |
The following table provides a list of magnesium AZ91C-F properties in both SI and US customary/Imperial units.
Click on the icon to switch between Metric and Imperial units.
| Physical Properties | Metric |
|---|---|
| Density | 1810 kg/m3 |
| Mechanical Properties | Metric |
| Tensile Strength (Ultimate) | 165 MPa |
| Tensile Strength (Yield) | 97 MPa |
| Bearing Strength (Ultimate) | 410 MPa |
| Bearing Strength (Yield) | 275 MPa |
| Fatigue Strength # of Cycles 1.0e+8 | 55 MPa |
| Young’s Modulus (E) | 45 GPa |
| Shear Modulus (G) | 17 GPa |
| Elongation at Break in 50 mm | 2.5% |
| Poisson’s Ratio (ν) | 0.35 |
| Brinell Hardness 500 kg load, 10 mm ball | 63 |
| Knoop Hardness Converted from Brinell | 84 |
| Rockwell Hardness | 66 |
| Vickers Hardness Converted from Brinell | 71 |
| Charpy Impact V-notch | 0.790 J |
| Thermal Properties | Metric |
| Melting Point Incipient Melting | ≥ 420 °C |
| Solidus | 470 °C |
| Liquidus | 595 °C |
| Thermal Conductivity | 72.7 W/m·K |
| Specific Heat Capacity (Cp) | 800 J/kg·K |
| Coefficient of Thermal Expansion (αL) | 26.0 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 AZ91C-F
| Advantages | Disadvantages |
|---|---|
| Lightweight | Corrosion susceptibility |
| High strength-to-weight ratio | Lower melting point |
| Good castability | High reactivity |
| Excellent vibration damping properties | Limited temperature range |
| Good machinability | Higher cost |
| Good electromagnetic shielding | Limited availability |
Applications of Magnesium AZ91C-F
Magnesium AZ91C-F has various applications across industries where lightweight materials with adequate strength are required. Some common applications of Magnesium AZ91C-F include:
- Automotive Components: Magnesium AZ91C-F is used in the automotive industry to manufacture components such as transmission cases, engine blocks, steering wheels, and various structural parts.
- Aerospace Industry: Magnesium AZ91C-F finds applications in aerospace components where weight reduction is crucial. It can be used for aircraft interior parts, seat frames, brackets, and other non-critical structural components.
- Electronics and Communication Equipment: Magnesium AZ91C-F is used in the manufacturing of electronic devices, laptops, tablets, and smartphones. Its excellent electromagnetic shielding properties help protect sensitive electronic components from electromagnetic interference.
- Sporting Goods: Magnesium AZ91C-F is utilized in the production of sporting goods such as golf club heads, bicycle frames, and lightweight camping equipment. The combination of strength and low weight makes it ideal for these applications.
- Hand Tools and Power Tools: Magnesium AZ91C-F is employed in the production of hand tools and power tools, including wrenches, drill housings, and saw components. The lightweight nature of the alloy helps reduce operator fatigue during prolonged use.
- Medical Devices: Magnesium alloys, including AZ91C-F, have applications in the medical field, particularly in the manufacturing of lightweight implants and surgical instruments.
- Consumer Goods: Magnesium AZ91C-F is used in various consumer goods such as camera bodies, luggage frames, and portable devices due to its lightweight and durable characteristics.