Process Data Sheet
EOS Aluminium Al2139 AM for EOS M 290 | 60 µm
EOS M 290 - 60 µm - TRL 3
Process Information Metal
Process with good buildability, productivity, and excellent mechanical properties after heat treatment, also at elevated temperatures. Part and support design for high-strength aluminium is required.
| System Setup | EOS M 290 |
|---|---|
| EOS Material set | Al2139AM_060_CoreM291_110 |
| Software Requirements |
EOSPRINT 2.7 or newer EOSYSTEM 2.11 or newer |
| Recoater Blade | HSS (High Speed Steel) |
| Build Platform Temperature | 175 °C |
| Nozzle | EOS Grid Nozzle |
| Inert gas | Argon |
| Sieve | 75 µm |
| Additional Information | |
|---|---|
| Layer Thickness | 60 µm |
| Volume Rate | 7.2 mm³/s |
| Wall Thickness | 0.4 mm |
Chemical and Physical Properties of Parts
Micrograph etched as manufactured
Microstructure of the Produced Parts
| Defects | Thickness | Result | Number of Samples |
|---|---|---|---|
| Average Defect Percentage | 60 µm | 0.2-0.3 % | - |
| Density EN ISO 3369 | Thickness | Result | Number of Samples |
|---|---|---|---|
| Average Density | 60 µm | ≥ 2.84 g/cm³ | - |
Mechanical Properties
Mechanical Properties Heat Treated
| EN ISO 6892-1 Room Temperature | 60 µm | Yield Strength [MPa] | Tensile Strength [MPa] | Elongation at Break [%] | Reduction of Area Z [%] | Modulus of elasticity [GPa] | Number of Samples |
|---|---|---|---|---|---|---|
| Vertical | 460 | 520 | 4 | - | - | - |
| Horizontal | 460 | 540 | 6 | - | - | - |
Mechanical Properties As Manufactured
| EN ISO 6892-1 Room Temperature | 60 µm | Yield Strength [MPa] | Tensile Strength [MPa] | Elongation at Break [%] | Reduction of Area Z [%] | Modulus of elasticity [GPa] | Number of Samples |
|---|---|---|---|---|---|---|
| Vertical | 350 | 380 | 6 | - | - | - |
| Horizontal | 350 | 380 | 8 | - | - | - |
Hardness
EN ISO 6506-1 Heat Treated |
|
|---|---|
| Value | 162 |
| Unit | HBW 2.5/62.5 |
EN ISO 6506-1 As Manufactured |
|
|---|---|
| Value | 112 |
| Unit | HBW 2.5/62.5 |
Elevated temperature properties
Elevated temperature properties
Elevated temperature tensile testing of EOS Aluminium
Al2139 AM (T4) and a wrought grade reference material
(T6 HT state) according to EN 2002-002