6061 t6 alüminium vs 7075 alüminium
6061 t6 alüminium vs 7075
Alüminium ərintiləri 6061-T6 və 7075 mühəndislik tətbiqlərində geniş istifadə olunur, lakin onlar fərqli xüsusiyyətlərə malikdirlər və müxtəlif məqsədlər üçün uyğundurlar. Aşağıda bu iki ərintilərin mexaniki xassələri baxımından ətraflı müqayisəsi verilmişdir, fiziki xassələri, və tipik istifadələr:
6061-T6 və arasında müqayisə 7075 Alüminium
| Əmlak | 6061-T6 Alüminium | 7075 Alüminium |
|---|
| Tərkibi | 0.8-1.2% Mg, 0.4-0.8% Və, 0.15-0.4% Cu, 0.04-0.35% Cr | 5.1-6.1% Zn, 2.1-2.9% Mg, 1.2-2.0% Cu, 0.18-0.28% Cr |
| Dartma Gücü | 310 MPa (45 ksi) | 572 MPa (83 ksi) |
| Məhsuldarlıq Gücü | 275 MPa (40 ksi) | 503 MPa (73 ksi) |
| Fasilə zamanı uzanma | 12% | 11% |
| Sərtlik (Brinell) | 95 HB | 150 HB |
| Modulus of Elasticity | 68.9 GPa (10,000 ksi) | 71.7 GPa (10,400 ksi) |
| Density | 2.70 g/cm³ | 2.81 g/cm³ |
| Fatigue Strength | 96 MPa (14 ksi) | 159 MPa (23 ksi) |
| Thermal Conductivity | 167 W/m·K | 130 W/m·K |
| Korroziyaya davamlılıq | Əla | Fair to Poor (without protective coating) |
| Qaynaq qabiliyyəti | Əla | Poor |
| İşlənmə qabiliyyəti | Yaxşı | Fair to Good |
| İstilik müalicəsi | Heat treatable to T6 condition | Heat treatable to T6 or T73 condition |
Key Differences in Properties
- Strength:
- 7075 Alüminium is much stronger, with a tensile strength of 572 MPa compared to 310 MPa for 6061-T6. This makes 7075 aluminum ideal for high-stress structural applications.
- Korroziyaya davamlılıq:
- 6061-T6 Alüminium has excellent corrosion resistance, especially against atmospheric and marine conditions, while 7075 Alüminium has fair to poor corrosion resistance and often requires a protective coating or anodizing for use in corrosive environments.
- Qaynaq qabiliyyəti:
- 6061-T6 Alüminium is highly weldable, making it suitable for structures requiring frequent welding. 7075 Alüminium is difficult to weld and can suffer from cracking and brittleness after welding.
- İşlənmə qabiliyyəti:
- 6061-T6 Alüminium is known for its good machinability, which is better than that of 7075 Alüminium, although 7075 still offers acceptable machinability for most applications.
- Density:
- 7075 Alüminium is slightly denser (2.81 g/cm³) than 6061-T6 Alüminium (2.70 g/cm³), which can affect weight-sensitive applications.
- Thermal Conductivity:
- 6061-T6 Alüminium has better thermal conductivity (167 W/m·K) compared to 7075 Alüminium (130 W/m·K), making it preferable for heat-exchange applications.
Comparison of Uses
| Application Area | 6061-T6 Alüminium | 7075 Alüminium |
|---|
| Aerospace | Aircraft fittings, fuel tanks, and fuselage structures | High-stress structural parts like aircraft wings, fuselage frames, and landing gear |
| Automotive | Chassis, wheel spacers, and engine components | Racing components like suspension parts, gears, and shafts |
| Marine | Boat hulls, masts, and marine fittings | Not typically used due to poor corrosion resistance |
| General Construction | Structural components, piping, və çərçivələr | Not common; only when high strength is needed |
| Sports Equipment | Velosiped çərçivələri, camping equipment, and scuba tanks | High-performance bicycle components, climbing equipment |
| Electronics | Heat sinks and electrical fittings | Not typically used; 6061 is preferred for thermal applications |
| Consumer Goods | Ladders, furniture, and household items | Premium products where high strength is desired, such as rugged outdoor gear |
Summary
- 6061-T6 Alüminium is more versatile, easier to work with, and has excellent corrosion resistance, making it suitable for a wide range of applications, including marine, automotive, construction, and electronics.
- 7075 Alüminium offers superior strength, making it ideal for high-stress applications like aerospace and high-performance sports equipment, but it has poorer weldability and corrosion resistance, limiting its use in certain environments.
