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Introduction

Aluminium Alloy

AlSi10Mg is a typical casting alloy with good casting properties and is typically used for cast parts with thin walls and complex geometry. It offers good strength, hardness and dynamic properties and is therefore also used for parts subject to high loads. Parts in EOS Aluminium AlSi10Mg are ideal for applications which require a combination of good thermal properties and low weight, e.g. motorsports and aerospace interior. The parts can be machined, spark-eroded, welded, micro shot-peened, polished and coated if required.

Key Benefits
good casting properties
good strength and hardness
high dynamic properties

Technical Specifications

Appearance Grey
Printing Process Direct Metal Laser Sintering (DMLS)
Maximum part dimensions 400 x 400 x 400 mm (15.8 x 15.8 x 15.8 in)
Laser type Yb-fiber laser; 1 kW
Precision optics F-theta-lens
Scan speed up to 7.0 m/s (23 ft/s)
Focus diameter approx. 90 µm (0.0035 in)
Tensile strength(XY) 345±10Mpa
Tensile strength(Z) 350±10Mpa
Yield strength(XY) 230±15Mpa
Yield strength(Z) 230±15Mpa
Modulus of elasticity(XY) 70±10Gpa
Modulus of elasticity(Z) 60±10Gpa
Elongation at break(XY) 12±2%
Elongation at break(Z) 11±2%
Hardness 119±5HBW
Fatigue strength(Z) 97±7Mpa
100%