2014-T4 Aluminum vs. 2024-T4 Aluminum
2014-T4 and 2024-T4 aluminum each have their unique strengths, and their selection mainly depends on the specific application requirements and environmental conditions.
Comparison Table of 2014-T4 Aluminum and 2024-T4 Aluminum
| Property | 2014-T4 Aluminum | 2024-T4 Aluminum |
| Heat Treatment and Condition | Solution heat treated and naturally aged | Solution heat treated and naturally aged |
| Mechanical Properties | Higher strength, good hardness, suitable for high-stress environments | Higher ductility, suitable for complex forming and applications requiring high fatigue strength |
| Ductility | Low, but has some ductility | High, suitable for applications requiring high ductility |
| Fatigue Resistance | Good, but not as good as 2024-T4 | Excellent, suitable for environments with high fatigue requirements |
| Thermal Conductivity | High, suitable for applications requiring good heat dissipation | Slightly lower, suitable for use in high-temperature environments |
| High-Temperature Performance | Good, but lower than 2024-T4 | Better, suitable for high-temperature environments |
| Chemical Composition | Higher silicon content, slightly lower corrosion resistance | Higher magnesium and copper content, with strong corrosion resistance |
| Applications | Commonly used in aircraft structural components, heavy machinery parts, high-strength bolts, etc. | Widely used in aerospace applications such as wing skins, frame structures, etc. |
| Suitable Environment | Environments requiring high strength and thermal conductivity | Environments requiring high ductility, fatigue resistance, and corrosion resistance |
| Selection Recommendation | Suitable for applications requiring higher hardness and thermal conductivity | Suitable for applications requiring high ductility, fatigue resistance, and corrosion resistance |
2014-T4 Aluminum vs. 2024-T4 Aluminum Heat Treatment and Condition
Both 2014-T4 aluminum and 2024-T4 aluminum are T4 condition alloys, having undergone solution heat treatment and natural aging to enhance their properties.
These two alloys exhibit excellent strength and some ductility in the T4 condition, making them suitable for various machining and structural applications.
2014-T4 Aluminum and 2024-T4 Aluminum Mechanical Properties Comparison
| Property | 2014-T4 Aluminum | 2024-T4 Aluminum |
| Brinell Hardness (HB) | 110 | 120 |
| Elastic Modulus (GPa) | 72 | 71 |
| Elongation at Break (%) | 14 | 16 |
| Fatigue Strength (MPa) | 140 | 140 |
| Poisson's Ratio | 0.33 | 0.33 |
| Shear Modulus (GPa) | 27 | 27 |
| Shear Strength (MPa) | 260 | 290 |
| Tensile Strength: Ultimate (MPa) | 430 | 480 |
| Tensile Strength: Yield (MPa) | 270 | 310 |
2014-T4 Aluminum and 2024-T4 Aluminum Thermal Properties Comparison
| Property | 2014-T4 Aluminum | 2024-T4 Aluminum |
| Latent Heat of Fusion (J/g) | 400 | 390 |
| Maximum Mechanical Temperature (°C) | 210 | 200 |
| Melting Completion (Liquidus °C) | 630 | 640 |
| Melting Onset (Solidus °C) | 510 | 500 |
| Specific Heat Capacity (J/kg-K) | 870 | 880 |
| Thermal Conductivity (W/m-K) | 150 | 120 |
| Thermal Expansion (µm/m-K) | 23 | 23 |
2014-T4 Aluminum and 2024-T4 Aluminum Electrical Properties Comparison
| Property | 2014-T4 Aluminum | 2024-T4 Aluminum |
| Electrical Conductivity: Equal Volume (% IACS) | 40 | 30 |
| Electrical Conductivity: Equal Weight (% IACS) | 120 | 90 |
2014-T4 Aluminum and 2024-T4 Aluminum Chemical Composition Comparison
| Element | 2014-T4 Aluminum (%) | 2024-T4 Aluminum (%) |
| Aluminum (Al) | 90.4 - 95 | 90.7 - 94.7 |
| Chromium (Cr) | 0 - 0.1 | 0 - 0.1 |
| Copper (Cu) | 3.9 - 5.0 | 3.8 - 4.9 |
| Iron (Fe) | 0 - 0.7 | 0 - 0.5 |
| Magnesium (Mg) | 0.2 - 0.8 | 1.2 - 1.8 |
| Manganese (Mn) | 0.4 - 1.2 | 0.3 - 0.9 |
| Silicon (Si) | 0.5 - 1.2 | 0 - 0.5 |
| Titanium (Ti) | 0 - 0.15 | 0 - 0.15 |
| Zinc (Zn) | 0 - 0.25 | 0 - 0.25 |
| Zirconium (Zr) | 0 - 0.2 | 0 - 0.2 |
| Residuals | 0 | 0 - 0.15 |
2014-T4 Aluminum vs. 2024-T4 Aluminum Machining and Applications
2014-T4 aluminum is favored for its excellent strength and hardness, especially in applications that require high strength and wear resistance. Its good machinability makes it highly popular in the manufacture of aircraft structural components, heavy machinery parts, and high-strength bolts, which are often subjected to high stress and heavy loads.
2024-T4 aluminum is widely used in the aerospace industry due to its outstanding ductility and excellent strength-to-weight ratio. It is commonly used in the wing skins and frame structures of aircraft, particularly for key components that require high fatigue resistance, as it maintains excellent structural integrity in high-stress environments.
2014-T4 Aluminum vs. 2024-T4 Aluminum Selection and Comparison
2014-T4 aluminum is a more ideal choice for applications requiring higher hardness and thermal conductivity. Its higher hardness allows it to perform excellently in high-pressure and impact environments, making it particularly suitable for fields that demand better thermal conductivity, such as heavy machinery and certain high-performance bolt applications.
2024-T4 aluminum excels in applications that require higher ductility, fatigue strength, and corrosion resistance. Its high strength and lightweight characteristics make it an ideal material for the aerospace industry, especially for applications requiring durability and long-term reliability, such as aircraft wings, frame structures, and other critical components.
