EOS Aluminium AlSi10Mg for EOS M 400-4 | 40 µm
EOS M 400-4 - 40 µm - TRL 5
Process Information Metal
High performance process with optimized quality and productivity. Good buildability with low surface
roughness. EOS T6 heat treatment is recommended for parts where higher elongation properties are required.
Main Characteristics:
→ High performance AlSi10Mg process for EOS M 400-4
→ Optimized combination of mechanical properties and productivity
→ Two-sided recoating reduces building time
| System Setup | EOS M 400-4 |
|---|---|
| EOS Material set | AlSi10MgAr_040_CoreM404 |
| Powder Product No. | 9011-0024 |
| Software Requirements |
EOSPRINT 2.7 or newer |
| Recoater Blade | HSS (High Speed Steel) |
| Build Platform Temperature | 35 °C |
| Nozzle | Standard |
| Inert gas | Argon |
| Sieve | 90 µm |
| Additional Information | |
|---|---|
| Layer Thickness | 40 µm |
| Volume Rate | up to 4 x 7 mm³/s |
| Min. Wall Thickness | 0.3 mm |
Chemical and Physical Properties of Parts
The chemical composition of the EOS Aluminium AlSi10Mg parts is in compliance with the DIN EN 1706 (EN AC—43000) standard.
Microstructure of the Produced Parts
| Defects | Thickness | Result | Number of Samples |
|---|---|---|---|
| Average Defect Percentage | 40 µm | < 0.1 % | - |
| Density EN ISO 3369 | Thickness | Result | Number of Samples |
|---|---|---|---|
| Average Density | 40 µm | ≥ 2.67 g/cm³ | - |
Mechanical Properties
Mechanical Properties Heat Treated
| EN ISO 6892-1 Room Temperature | 40 µm | Yield Strength [MPa] | Tensile Strength [MPa] | Elongation at Break A [%] | Reduction of Area Z [%] | Modulus of elasticity [GPa] | Number of Samples |
|---|---|---|---|---|---|---|
| Vertical | 230 | 300 | 10 | - | - | - |
| Horizontal | 250 | 310 | 10 | - | - | - |
EOS T6 Heat Treatment
Solution Annealing:
30 minutes in 530 °C followed by immediate quenching to water.
Aging:
Artificial aging of 6 hours in 165 °C followed by cooling in air.
Mechanical Properties As Manufactured
| EN ISO 6892-1 Room Temperature | 40 µm | Yield Strength [MPa] | Tensile Strength [MPa] | Elongation at Break A [%] | Reduction of Area Z [%] | Modulus of elasticity [GPa] | Number of Samples |
|---|---|---|---|---|---|---|
| Vertical | 230 | 450 | 5 | - | - | - |
| Horizontal | 250 | 440 | 8 | - | - | - |
Fatigue
| As Manufactured | |
|---|---|
| Fatigue strength [MPa] | 110 |
Method: HCF, ASTM E466-15, 10 million cycles, fully reversed
Aluminum alloys do not have fatigue limit. Actual fatigue values depend on sample geometry and specially surface finish. EOS uses machined (turned) samples in determining material properties. Typically EOS T6 heat treatment does not have significant effect on fatigue strength.
Surface Roughness
| Surface Roughness | From | To |
|---|---|---|
| Sa (µm) | - | - |
| Ra (µm) | - | - |
