AA 2009 Aluminum Alloy
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Familie: Aluminum Alloy
Copper Alloy (Al-Cu). AA designation 2009.
Overview
Unusual among the 2xxx alloys, AA 2009 is an aluminium–copper base reinforced with silicon carbide particles to form a metal-matrix composite, normally supplied in the T4 or T351 temper. The SiC reinforcement sharply raises stiffness, hardness, and wear resistance while the 2xxx matrix retains its high strength. That combination of specific stiffness and durability suits it to aerospace structural components, electronic-packaging substrates, and precision optical mounts where dimensional stability under load is critical.
Leistungsbewertungen
Performance Radar
| Eigenschaft | Rating |
|---|---|
| Strength | 5 / 10 |
| Corrosion Res. | 6 / 10 |
| Lightweight | 9 / 10 |
| Machinability | 8 / 10 |
| Affordability | 7 / 10 |
| Heat Res. | 4 / 10 |
Zusammensetzung
Mechanische Eigenschaften
| Zugfestigkeit | 457.5 MPa |
| Streckgrenze | 332.0 MPa |
| Bruchdehnung | 86.0% |
| Härte (Rockwell) |
Chemische Zusammensetzung
| Element | Prozentsatz (%) |
|---|---|
| O | 0,6 |
| Al | 94,09 |
| Cu | 3,8 |
| Fe | 0,07 |
| Mg | 1,3 |
| Si | 0,205 |
| Zn | 0,1 |
Bezugsquellen AA 2009 Aluminum Alloy
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Beschreibung
AA 2009 is an aluminum-copper alloy reinforced with silicon carbide (SiC) particles to form a metal matrix composite (MMC), typically in the T4 or T351 temper. The SiC reinforcement significantly increases stiffness, hardness, and wear resistance while maintaining the high strength of the 2xxx base alloy. It is primarily used in aerospace structural components, electronic packaging substrates, and precision optical mounts.