6061 t6 alyuminiy va boshqalar 7075 alyuminiy
6061 t6 alyuminiy va boshqalar 7075
Aluminum alloys 6061-T6 and 7075 are widely used in engineering applications, but they have different properties and are suited to different purposes. Below is a detailed comparison of these two alloys in terms of their mechanical properties, jismoniy xususiyatlar, and typical uses:
Comparison Between 6061-T6 and 7075 alyuminiy
| Mulk | 6061-T6 Aluminum | 7075 alyuminiy |
|---|
| Tarkibi | 0.8-1.2% Mg, 0.4-0.8% Va, 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 |
| Mustahkamlik chegarasi | 310 MPa (45 ksi) | 572 MPa (83 ksi) |
| Hosildorlik kuchi | 275 MPa (40 ksi) | 503 MPa (73 ksi) |
| Tanaffusdagi cho'zilish | 12% | 11% |
| Qattiqlik (Brinell) | 95 HB | 150 HB |
| Modulus of Elasticity | 68.9 Gpa (10,000 ksi) | 71.7 Gpa (10,400 ksi) |
| Zichlik | 2.70 g/sm³ | 2.81 g/sm³ |
| Fatigue Strength | 96 MPa (14 ksi) | 159 MPa (23 ksi) |
| Issiqlik o'tkazuvchanligi | 167 W/m·K | 130 W/m·K |
| Korroziyaga qarshilik | Ajoyib | Fair to Poor (without protective coating) |
| Payvandlash qobiliyati | Ajoyib | Poor |
| Ishlov berish qobiliyati | Yaxshi | Fair to Good |
| Heat Treatment | Heat treatable to T6 condition | Heat treatable to T6 or T73 condition |
Key Differences in Properties
- Kuch:
- 7075 alyuminiy is much stronger, with a tensile strength of 572 MPa compared to 310 MPa for 6061-T6. Bu qiladi 7075 aluminum ideal for high-stress structural applications.
- Korroziyaga qarshilik:
- 6061-T6 Aluminum mukammal korroziyaga chidamliligiga ega, especially against atmospheric and marine conditions, esa 7075 alyuminiy has fair to poor corrosion resistance and often requires a protective coating or anodizing for use in corrosive environments.
- Payvandlash qobiliyati:
- 6061-T6 Aluminum is highly weldable, making it suitable for structures requiring frequent welding. 7075 alyuminiy is difficult to weld and can suffer from cracking and brittleness after welding.
- Ishlov berish qobiliyati:
- 6061-T6 Aluminum is known for its good machinability, which is better than that of 7075 alyuminiy, although 7075 still offers acceptable machinability for most applications.
- Zichlik:
- 7075 alyuminiy is slightly denser (2.81 g/sm³) than 6061-T6 Aluminum (2.70 g/sm³), which can affect weight-sensitive applications.
- Issiqlik o'tkazuvchanligi:
- 6061-T6 Aluminum has better thermal conductivity (167 W/m·K) compared to 7075 alyuminiy (130 W/m·K), making it preferable for heat-exchange applications.
Comparison of Uses
| Application Area | 6061-T6 Aluminum | 7075 alyuminiy |
|---|
| Aerokosmik | Aircraft fittings, yonilg'i baklari, and fuselage structures | High-stress structural parts like aircraft wings, fuselage frames, and landing gear |
| Avtomobilsozlik | Chassis, wheel spacers, and engine components | Racing components like suspension parts, gears, and shafts |
| Marine | Boat hulls, ustunlar, va dengiz armaturalari | Not typically used due to poor corrosion resistance |
| General Construction | Strukturaviy komponentlar, piping, and frames | Not common; only when high strength is needed |
| Sports Equipment | Bicycle frames, camping equipment, and scuba tanks | High-performance bicycle components, climbing equipment |
| Elektronika | Heat sinks and electrical fittings | Not typically used; 6061 is preferred for thermal applications |
| Iste'mol tovarlari | Ladders, mebel, and household items | Premium products where high strength is desired, such as rugged outdoor gear |
Summary
- 6061-T6 Aluminum is more versatile, easier to work with, va mukammal korroziyaga chidamliligiga ega, keng doiradagi ilovalar uchun mos qilish, including marine, avtomobilsozlik, qurilish, and electronics.
- 7075 alyuminiy 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.
