Wrought aluminium zinc alloy
Aluminium 7150 alloy is a heat treatable wrought alloy. It is used in the aerospace industry for manufacturing aircraft components. Heat treatment can improve its anti-corrosion properties with a low corresponding decrease in strength.[1][2]
Chemical composition
Element[1]
|
Content (%)
|
Aluminum
|
85.9 - 89.5
|
Zinc
|
7.2 - 8.2
|
Magnesium
|
2 - 2.9
|
Copper
|
1.2 - 1.9
|
Silicon
|
≤ 0.15
|
Titanium
|
≤ 0.10
|
Iron
|
≤ 0.20
|
Chromium
|
0.10 - 0.22
|
Manganese
|
≤ 0.20
|
Other (total)
|
≤ 0.15
|
Properties
Properties
|
Value
|
Density[1]
|
2.84 g/cm3
|
Ultimate tensile strength[3]
|
607 MPa
|
Yield strength[3]
|
565 MPa
|
Elongation at break[3]
|
11%
|
Fracture toughness[3]
|
26.4 MPa-m½
|
Alternate designations
It has the following alternate designations:[4]
- AA 7150
- AMS 4252A
- 4306A
- 4307S
- 4345A
- UNS A97150
References
External links
- Sun, Rui-ji; Sun, Qing-qing; Xie, Yue-huang; Dong, Peng-xuan; Chen, Qi-yuan; Chen, Kang-hua (1 May 2016). "Enhancing corrosion resistance of 7150 Al alloy using novel three-step aging process". Transactions of Nonferrous Metals Society of China. 26 (5): 1201–1210. doi:10.1016/S1003-6326(16)64192-4.
- http://www.icaa-conference.net/ICAA12/pdf/P046.pdf
- https://www.researchgate.net/publication/240427022_Hot_deformation_behavior_of_7150_aluminum_alloy_during_compression_at_elevated_temperature
- https://www.researchgate.net/publication/286794197_Mechanical_properties_and_exfoliation_behavior_of_7150-RRA_aluminum_alloy_retrogressed_at_175C
- https://inis.iaea.org/search/search.aspx?orig_q=RN:44025414
Aluminium alloy table