DMLS

AlSi10Mg built on our SLM 280HL

Aluminium - AlSi10Mg
Aluminium has a density of 2.7 g/cm3 and has a melting point of 660 centigrade. It can be processed relatively easily by casting, machining and pressing. Due to its low strength it is used to produce alloys from silicon, magnesium, copper, manganese and zinc. Aluminium oxide (Al2O3) can also be found extensively as a ceramic.

 

Material Properties

  • Low density
  • Good alloying properties
  • Good processability (casting and pressing etc.)
  • Good electrical conductivity
Areas of Applications

  • Automotive
  • Aerospace
  • Consumer goods
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Stainless Steel 17-4
This precipitation-hardenable 17-4 Stainless steel is low nitrogen and has a phosphor content of less than 0.025%. With excellent machining and weldability characteristics, along with good mechanical properties, we create many prototype and small series production runs for the Medical & Aerospace verticals.

 

Material Properties

  • Great hardness, good durability
  • Corrosion resistance
  • Good Ductility
Areas of Applications

  • Aerospace
  • Medical
  • Oil & Gas
  • Automotive
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Stainless Steel - 316L
Stainless steels are known for their low nitrogen and phosphor content of less than 0.025% and today these materials are widely used in the mold making industry.

 

 

 

Material Properties

  • Great hardness, good durability
  • Excellent weldability
  • Corrosion resistance
Areas of Applications

  • Plastic injection and pressure diecasting molds
  • Maritime
  • Automotive
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Nickel-base alloys - Inconel 625 & 718
Developed in the early 1960's, IN718 is still considered the material of choice for the majority of aircraft engine components with service temperatures below 1200°F (650°C). Inconel 718 is a precipitation-hardenable nickel-chromium alloy containing significant amounts of iron, niobium, and molybdenum along with lesser amounts of aluminum and titanium. It combines corrosion resistance and high strength with outstanding weldability including resistance to postweld cracking. The alloy has excellent creep-rupture strength at temperatures to 1300°F (700°C).

Material Properties

  • Corrosion resistance
  • Excellent mechanical strength up to 700°C
  • Outstanding Weldability
Areas of Applications

  • Aerospace
  • Energy Technology
  • Tool & Die
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Cobalt-Chrome - CoCr
Cobalt-Chrome alloys are standard alloys in the medical and dental fields. Due to the high hardness, Cobalt-Chrome alloys are used to produce dental prostheses. This is also influenced by the biocompatibility of the alloy. Being a tough material, Cobalt-Chrome alloy is usually cast and not machined. Other uses for Cobalt-Chrome are prosthesis and knee or and hip joint implants.

 

 

Material Properties

  • Good toughness
  • Corrosion resistance
  • High strength
  • Bio-compatibility
Areas of Applications

  • Medical technology
  • Dental technology
  • High temperature
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Titanium - TiAl6V4
The material is particularly resistant to corrosion and with high mechanical properties compared to the low specific weight. Pure titanium has a density of 4.54 g/cm3 with a melting point of 1677°C.

 

 

Material Properties

  • High strength at low density
  • Corrosion resistance
  • Bio-compatibility
  • Low thermal expansion
Areas of Applications

  • Medical Technology
  • Aerospace
  • Automotive
  • Jewelry and Design
  • Maritime applications

FINISHES

SLM Propeller model FORECAST 3D
UNFINISHED upfacing surface shown for reference

Engineering:
Support Removal

Minimal Finishing

Shot peened

DMLS - Engineering Finish
Engineering Plus - click photo to expand

Engineering Plus:
All supported surfaces finished

All surfaces shot-peened

Features deemed critical hand finished to spec

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Forecast Quality:

All supported surfaces finished

All surfaces shot-peened

Features deemed critical hand finished to spec

Model finished to very high aesthetic quality - tradeshow ready

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Forecast Quality Plus:

All supported surfaces finished

All surfaces shot-peened

Features deemed critical hand finished to spec

Tightly toleranced features machined to spec

Model finished to very high aesthetic quality - tradeshow ready

Parts have post processing requirements e.g. polishing, powder coating, heat treat etc.

TECHNICAL DATA COMPARISON CHART

MaterialTensile Strength
Rm [MPa]
Offset Yield Stress
Rp0.2 [MPa]
Break Strain
A[%]
Reduction of Area
Z[%]
E-Modul
σ[GPa]
Hardness by Vickers
[HV10]
Surface Roughness
Ra [μm]
Surface Roughness
Rz [μm]
17-41832 ± 87572 ± 2531 ± 355 ± 4155 ± 22221 ± 49 ± 254 ± 15
AlSi10Mg2397 ± 11227 ± 116 ± 18 ± 164 ± 10117 ± 17 ± 146 ± 8
Inconel 6251961 ± 41707 ± 4133 ± 251 ± 5182 ± 9285 ± 38 ± 157 ± 11
Inconel 7181994 ± 40702 ± 6524 ± 140 ± 7166 ± 12293 ± 37 ± 236 ± 8
316L1633 ± 28519 ± 2530 ± 549 ± 11184 ± 20209 ± 210 ± 250 ± 12
CoCr11101 ± 78720 ± 1810 ± 411 ± 4194 ± 9375± 210± 164 ± 6
TiAL6V411286 ± 571116 ± 618 ± 230 ± 10111 ± 4384 ± 512 ± 170 ± 3

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