2090 aluminium alloy
Aluminum copper alloy
2090 Aluminium alloy consists of copper, lithium, zirconium as minor elements and other impurity alloying elements.[1]
Chemical composition
Element[1] | Weight Percentage (%) |
---|---|
Aluminum | 93.2 - 95.6 |
Copper | 2.4 - 3 |
Lithium | 1.9 - 2.6 |
Magnesium | ≤ 0.25 |
Titanium | ≤ 0.15 |
Iron | ≤ 0.12 |
Zinc | ≤ 0.10 |
Silicon | ≤ 0.10 |
Zirconium | 0.080 - 0.15 |
Manganese | ≤ 0.050 |
Chromium | ≤ 0.050 |
Other (each) | ≤ 0.050 |
Other (total) | ≤ 0.15 |
Physical properties
Properties[1] | Values |
---|---|
Density | 2.59 g/cm3 |
Melting point | 560 - 650 °C |
Mechanical properties
Properties[1] | Values |
---|---|
Tensile strength | 550 MPa |
Yield strength | 520 MPa |
Elongation at break | 6% |
Poisson's ratio | 0.34 |
Elastic modulus | 76 GPa |
Thermal properties
Thermal Properties[2] | Metric |
---|---|
CTE, linear | 23.6 μm/m-°C at Temperature 20.0 - 100 °C |
Specific Heat Capacity | 1.203 J/g-°C at Temperature 100 °C |
Thermal Conductivity | 88.0 W/m-K |
Melting Point | 560 - 650 °C |
Solidus | 560 °C |
Liquidus | 650 °C |
Applications
Aluminium 2090 alloy is used in aircraft components.[1]
- Aircraft floor bulkhead stiffeners
- Wing leading and trailing edges
- Fuselage bulkhead webs
Aluminium alloy table
- v
- t
- e
Aluminium alloys
- Aluminium
- Aluminium alloys
- History of aluminium
- 1050
- 1060
- 1070
- 1100
- 1145
- 1199
- 1200
- 1230
- 1350
- 1370
- 1420
- 1421
- 1424
- 1430
- 1440
- 1441
- 1445
- 1450
- 1460
- 1461
- 1464
- 1469
- 4006
- 4007
- 4015
- 4032
- 4043
- 4047
- 4543
- Aluminium–lithium alloys
- AlBeMet
- Alclad
- Alnico
- AlSiC
- Alumel
- Aluminium granules
- Alusil
- Birmabright
- Devarda's alloy
- Duralumin
- Hiduminium (aka R.R. alloys)
- Hydronalium
- Italma
- Lo-Ex
- Magnalium
- Magnox (alloy)
- MKM steel
- Nickel aluminide
- Aluminium–scandium alloys
- Y alloy
- Al-Ca composite
- Hypereutectic piston
- Aluminium bronze
- AlSi10Mg
References
- ^ a b c d e "2090 Aluminium alloy properties". 6 May 2013.
- ^ "2090 Aluminium alloy properties". Archived from the original on 2021-01-22.