7039 aluminium alloy
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(Redirected from Aluminum 7039)
AA 7039 is an aluminum alloy principally containing zinc (3.5–4.5%) as an alloying element. It is heat treatable wrought aluminum alloy.[1] It is used for making armour suites.
Chemical Composition
[edit]No | Element[1] | Content (%) |
---|---|---|
1 | Aluminum, Al | Remainder |
2 | Zinc, Zn | 3.5 - 4.5 |
3 | Magnesium, Mg | 2.3 - 3.3 |
4 | Silicon, Si | 0.3 max |
5 | Iron, Fe | 0.4 max |
6 | Chromium, Cr | 0.15 - 0.25 |
7 | Manganese, Mn | 0.1 - 0.4 |
8 | Copper, Cu | 0.1 max |
9 | Titanium, Ti | 0.1 max |
10 | Remainder (total) | 0.15 max |
Physical Properties
[edit]No | Properties[1] | Metric |
---|---|---|
1 | Density | 2.74 g/cm3 |
2 | Melting point | 482-638°C |
Mechanical Properties
[edit]No | Properties[1] | Metric |
---|---|---|
1 | Tensile strength | 450 MPa |
2 | Yield strength | 380 MPa |
3 | Elongation at break | 13% |
4 | Elastic modulus | 69.6 GPa |
5 | Shear strength | 255 MPa |
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[edit]Applications
[edit]Aluminium 7039 alloy is chiefly used as an armor alloy. It is used for making armor suite.[2]
References
[edit]- ^ a b c d "Aluminum alloy, 7039". 8 May 2013. Archived from the original on 2013-05-25.
- ^ "Armour applications". Archived from the original on 2020-09-19.
Further reading
[edit]- "Properties of Wrought Aluminum and Aluminum Alloys: 7039", Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, Vol 2, ASM Handbook, ASM International, 1990, p. 109-111.
- Mechanical and ballistic properties of powder metal 7039 aluminium alloy joined by friction stir welding
- Anderson, Kevin; Weritz, John; Kaufman, J. Gilbert, eds. (2019). "7039: Armor Plate". Properties and Selection of Aluminum Alloys. 2B: 418–419. doi:10.31399/asm.hb.v02b.a0006730.