EOS Aluminum AlSi10Mg

AlSi10Mg is a typical casting alloy with good casting properties and is typically used for cast parts with thin walls and complex geometry.


Material Composition

Al (balance) &nbsp &nbsp &nbsp Si (9.0 – 11.0 wt-%)
Fe (<= 0.55 wt-%) &nbsp &nbsp &nbsp Cu (<= 0.05 wt-%)
Mn (<= 0.45 wt-%) &nbsp &nbsp &nbsp Mg (0.2 - 0.45 wt-%)

Ni (<= 0.05 wt-%) &nbsp &nbsp &nbsp Zn (<= 0.10 wt-%)
Pb (<= 0.05 wt-%) &nbsp &nbsp &nbsp Sn (<=. 0.05 wt-%)
Ti (<= 0.15 wt-%)

Physical Properties

It offers good strength, hardness and dynamic properties and is therefore also used for parts subject to high loads.

Parameter

As Built (typical)

After Age-Hardening
Tensile Strength
XY: 460 ± 20 MPa; Z: 460 ± 20 MPaXY: 345 ± 10 MPA ;Z: 350 ± 10 MPa
Yield Strength
XY: 270 ± 10 MPa; Z: 240 ± 10 MPaXY: 230 ± 15 MPa; Z: 230 ± 15 MPa
Elongation at Break
XY: (9 ± 2) % ; Z: (6 ± 2) %XY: (12 ± 2) % ; Z: (11 ± 2) %
Modulus of elasticity
XY: 75 ± 10 GPa; Z: 70 ± 10 GPaXY: 70 ± 10 GPa; Z: 60 ± 10 GPa
Hardness119 ± 5 HBW

Fatigue Strength
Approx. 97 ± 7 MPa
Parameter
As Built (typical)After Age-Hardening

Thermal conductivity
X: 103 ± 5 W/m°C ; Z: 119 ± 5 W/m°CX: 173 ± 10 W/m°C ; Z: 173 ± 10 W/m°C

Specific heat capacity
X: 920 ± 50 J/kg°C; Z: 910 ± 50 J/kg°CX: 890 ± 50 J/kg°C; Z: 890 ± 50 J/kg°C
Density2.67 g/cm³
Relative Densityapprox. 99.85 %

3D Printing Details

Technology DMLS
Possible Post Processingmachined, spark-eroded, welded, micro shot-peened, polished and coated
Accuracy100 Microns
Min Wall Thickness0.3-0.4 mm
Min Layer Resolution90 Microns
Volume Rate 7.4 mm³/s
Surface RoughnessRa: 6-10 Microns ; Rz: 30-60 Microns

Applications

For applications which require a combination of good thermal properties and low weight
  • Functional prototypes
  • Series-production parts
  • Motorsports
  • Automotive/Series Production Vehicles
  • Aerospace Interior
  • Design Guidelines

    Min Wall Thickness0.3-0.4 mm
    Min Layer Resolution20 Microns
    Min Detail Size0.8 mm
    Min Hole Diameter0.8 mm
    Min Text Size 2.5 mm
    Max Part Dimension300 mm

    Design Guidelines

    2016-08-23T07:08:04+00:00 August 22nd, 2016|3D Materials|0 Comments

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