7005 T5 Aluminum
7005 aluminum in T5 condition exhibits superior mechanical properties, especially in terms of strength, corrosion resistance, and fatigue resistance, making it widely used in high-demand structural components and industries.
7005 T5 Aluminum is an aluminum alloy that has been artificially aged to achieve the T5 condition. 7005 aluminum itself has high strength and good corrosion resistance, making it suitable for applications that need to withstand high mechanical loads. In the T5 condition, the alloy undergoes artificial aging, a process that involves heating and controlled cooling to improve the mechanical properties of the alloy, achieving optimal strength. Specifically, 7005 aluminum in T5 condition typically exhibits higher tensile strength, yield strength, and fatigue resistance while maintaining relatively good ductility.
7005 T5 Aluminum Characteristics
- High Strength: Due to artificial aging, 7005 T5 aluminum has higher strength compared to other common aluminum alloys, particularly excelling in structural and load-bearing applications. It is commonly used in parts that require high strength, such as frames for aerospace, transportation vehicles, and high-load structural components.
- Good Corrosion Resistance: 7005 T5 aluminum alloy has good oxidation resistance, making it suitable for humid or corrosive environments such as marine and aerospace applications. In addition, the appropriate proportion of zinc and magnesium elements in the alloy helps enhance its corrosion resistance.
- Machinability: 7005 T5 aluminum alloy generally has good machinability, and after heat treatment, its processing and forming capabilities remain at a high level. It is especially suitable for forming through extrusion, welding, drilling, and other processes.
7005 T5 Aluminum Mechanical Properties Comparison
| Property | 7005-T5 Aluminum |
| Elastic (Young's, Tensile) Modulus (GPa) | 70 |
| Elongation at Break (%) | 15 |
| Fatigue Strength (MPa) | 190 |
| Poisson's Ratio | 0.33 |
| Shear Modulus (GPa) | 26 |
| Shear Strength (MPa) | 220 |
| Tensile Strength: Ultimate (UTS) (MPa) | 400 |
| Tensile Strength: Yield (Proof) (MPa) | 350 |
7005 T5 Aluminum Thermal Properties Comparison
| Property | 7005-T5 Aluminum |
| Latent Heat of Fusion (J/g) | 380 |
| Maximum Temperature: Mechanical (°C) | 200 |
| Melting Completion (Liquidus) (°C) | 640 |
| Melting Onset (Solidus) (°C) | 610 |
| Specific Heat Capacity (J/kg-K) | 880 |
| Thermal Conductivity (W/m-K) | 150 |
| Thermal Expansion (µm/m-K) | 23 |
7005 T5 Aluminum Electrical Properties Comparison
| Property | 7005-T5 Aluminum |
| Electrical Conductivity: Equal Volume (% IACS) | 38 |
| Electrical Conductivity: Equal Weight (Specific) (% IACS) | 120 |
Chemical Composition of 7005 T5 Aluminum
| Element | Composition (%) |
| Si | 0.35-0.80 |
| Fe | 0.50 max |
| Cu | 1.0- 1.8 |
| Mn | 0.20 max |
| Mg | 1.2-1.8 |
| Cr | 0.06-0.20 |
| Zn | 4.0-5.0 |
| Ti | 0.01 max |
| Al | Remainder |
7005 T5 Aluminum Applications
7005 T5 aluminum alloy is widely used in aerospace, transportation vehicles (such as bicycle frames, automotive structural components), and building structures. Due to its high strength and relatively low weight, it is particularly suitable for designs that require a balance between strength and weight.
Heat Treatment Process
To achieve the T5 condition, 7005 aluminum alloy needs to undergo artificial aging during the manufacturing process. This process significantly enhances the mechanical properties of the aluminum alloy, typically carried out at high temperatures to improve its hardness and strength, especially in high-load environments, where it performs exceptionally well.
7005 T5 aluminum alloy undergoes artificial aging to achieve a significant increase in strength, making it suitable for high-load and pressurized environments. Compared to other aluminum alloys, 7005 aluminum in T5 condition exhibits superior mechanical properties, particularly in terms of strength, corrosion resistance, and fatigue resistance, and is widely used in high-demand structural components and industries.