Thermal conductivity against densityHigher and further left: spreads more heat for its weightThermal expansion against thermal conductivityLower and further right: warps less when heated
Sources4 documents: EOS GmbH, Renishaw, U.S. Department of Defense
Values for
3D printed metal (DMLS). EOS Aluminium AlSi10Mg (powder 9011-0024), EOS M 290 | 30 µm process (AlSi10Mg_FlexM291 2.01), as manufactured, horizontal; machined (turned) specimens, ISO 6892-1 B10
1
EOS Aluminium AlSi10Mg Material Data SheetEOS GmbHarchived copyYield strength: typical, as manufactured, horizontalUltimate tensile strength: typical, as manufactured, horizontalElongation at break: typical at break, as manufactured, horizontalThermal conductivity: typical, as manufactured, horizontal (ISO 22007-2)Thermal expansion: mean 25-100 °C, ASTM E228
2
RenAM 500 Series Aluminium AlSi10Mg Material Data SheetRenishawYoung's modulus (stiffness): same material and process, different machine maker: Renishaw RenAM 500, 30 µm, as built, horizontal (XY)
3
EOS Aluminium AlSi10Mg Material Data Sheet, FlexLine, M 290 (2018)EOS GmbHarchived copyDensity: typical part density (ISO 3369), EOS M 290, AlSi10Mg_030_FlexM291 (30 µm)
4
MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures (2003)U.S. Department of DefensePoisson's ratio: base material: cast Al-Si-Mg alloy 359.0 (Al-9Si-0.6Mg, closest MIL-HDBK-5J alloy to AlSi10Mg / EN AC-43000)Specific heat: base material: cast Al-Si-Mg alloy 359.0 (MIL-HDBK-5J), at 100 °C
DMLS AlSi10Mg Aluminum is 3D printed: its properties depend on build direction and print settings; these are typical values.
DMLS AlSi10Mg Aluminum has a thermal conductivity of 110 W/m·K (63.6 BTU/hr·ft·°F). Basis: typical, as manufactured, horizontal (ISO 22007-2). Source: EOS GmbH, EOS Aluminium AlSi10Mg Material Data Sheetarchived copy.
Specific heat of DMLS AlSi10Mg Aluminum
The specific heat capacity of DMLS AlSi10Mg Aluminum is 963 J/kg·K (0.23 BTU/lb·°F). Basis: base material: cast Al-Si-Mg alloy 359.0 (MIL-HDBK-5J), at 100 °C. Source: U.S. Department of Defense, MIL-HDBK-5J, Metallic Materials and Elements for Aerospace Vehicle Structures (2003).
Coefficient of thermal expansion of DMLS AlSi10Mg Aluminum
DMLS AlSi10Mg Aluminum expands 20 µm/m·K (11.1 µin/in·°F): a 100 mm part grows 100 µm over a 50 °C rise. Basis: mean 25-100 °C, ASTM E228. Source: EOS GmbH, EOS Aluminium AlSi10Mg Material Data Sheetarchived copy.
Thermal diffusivity of DMLS AlSi10Mg Aluminum
Computed from the conductivity, density and specific heat (k / ρc): 42.8 mm²/s, how fast a temperature change spreads through it.