Materials / Compare

Ceramic Aluminum Nitride vs. DMLS AlSi10Mg Aluminum

Compare Ceramic Aluminum Nitride vs. DMLS AlSi10Mg Aluminum strength, stiffness, weight and thermal properties.

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Ceramic Aluminum NitrideSintered ceramic (pressed and fired)
DMLS AlSi10Mg Aluminum3D printed metal (DMLS)
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Mechanical
Yield strengthnot sourced270MPasourcetypical, as manufactured, horizontal
Ultimate tensile strengthnot sourced450MPasourcetypical, as manufactured, horizontal
Flexural strength310MPasource3-point bending strength (JIS R 1601)not sourced
Elongation at breaknot sourced10.2%sourcetypical at break, as manufactured, horizontal
Young's modulus (stiffness)320GPasourcetypical (JIS R 1602)72GPasourcesame material and process, different machine maker: Renishaw RenAM 500, 30 µm, as built, horizontal (XY)
Density3,400kg/m³sourcetypical (JIS R 1634)2,670kg/m³sourcetypical part density (ISO 3369), EOS M 290, AlSi10Mg_030_FlexM291 (30 µm)
Strength to weightnot sourced101kN·m/kg
Stiffness to weight94.1MN·m/kg3.49x higher27MN·m/kg
Poisson's ratio0.24sourcetypical (JIS R 1602)0.33sourcebase material: cast Al-Si-Mg alloy 359.0 (Al-9Si-0.6Mg, closest MIL-HDBK-5J alloy to AlSi10Mg / EN AC-43000)
Shear modulus129GPa4.77x stiffer in shear27.1GPa
Bulk modulus205GPa70.6GPa
Speed of sound9,701m/s5,193m/s
Thermal
Thermal conductivity150W/m·Ksourcetypical (JIS R 1611)110W/m·Ksourcetypical, as manufactured, horizontal (ISO 22007-2)
Thermal expansion4.6µm/m·Ksourcemean, 40-400 °C (JIS R 1618)20µm/m·Ksourcemean 25-100 °C, ASTM E228
100 mm part over a 50 °C swing23µm growth4.35x less100µm growth
Specific heat710J/kg·Ksourcetypical (JIS R 1611)963J/kg·Ksourcebase material: cast Al-Si-Mg alloy 359.0 (MIL-HDBK-5J), at 100 °C
Heats up and cools (diffusivity)62.1mm²/s45% faster42.8mm²/s
Thermal shock resistancenot sourced13,819W/m
Values forKYOCERA AN216A dense sintered aluminium nitride, typical values; KYOCERA Fineceramics Europe data sheet 2023.04.03EOS 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

Every value links to the document that states it. "Not sourced" means no citable source states it (or only a specification minimum); figures computed from it are left out too.

DMLS AlSi10Mg Aluminum is 3D printed: its properties depend on build direction and print settings; these are typical values.

Questions

Which is lighter, Ceramic Aluminum Nitride or DMLS AlSi10Mg Aluminum?

DMLS AlSi10Mg Aluminum is lighter: 2,670 kg/m³ against 3,400 kg/m³ for Ceramic Aluminum Nitride.

Which is stiffer, Ceramic Aluminum Nitride or DMLS AlSi10Mg Aluminum?

Ceramic Aluminum Nitride is stiffer: Young's modulus 320 GPa against 72 GPa for DMLS AlSi10Mg Aluminum, so the same part in Ceramic Aluminum Nitride deflects less under the same load.

Which is lighter for the same job, Ceramic Aluminum Nitride or DMLS AlSi10Mg Aluminum?

For the same stiffness or strength: Ceramic Aluminum Nitride is lighter for a stiff rod or tie (tension), stiff beam (bending), stiff panel or plate.

Part that must beCeramic Aluminum NitrideDMLS AlSi10Mg Aluminum
Stiff rod or tie (tension)lighter3.49x heavier
Stiff beam (bending)lighter1.66x heavier
Stiff panel or platelighter29% heavier

For the same stiffness or strength, mass scales with density over stiffness (or strength) raised to a power set by how the part is loaded: 1 for a rod in tension, 1/2 for a beam in bending, 1/3 for a panel (the standard material-selection indices).

Which conducts heat better, Ceramic Aluminum Nitride or DMLS AlSi10Mg Aluminum?

Ceramic Aluminum Nitride conducts heat better: 150 W/m·K against 110 W/m·K for DMLS AlSi10Mg Aluminum.

Which expands less with temperature?

Ceramic Aluminum Nitride expands less: 4.6 µm/m·K against 20 µm/m·K for DMLS AlSi10Mg Aluminum.

Among 72 materials

1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin Tough 2000SLS PA12 NylonDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Ceramic Aluminum NitrideDMLS AlSi10Mg Aluminum
Stiffness against density
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110GlassSteel AISI 1045Steel AISI 4340Steel A992Stainless Steel 303Stainless Steel 17-4PHAluminum 2024-T351Aluminum 5052-H32Aluminum 7050-T7451Titanium Ti-6Al-4VBrass C260Nickel Inconel 718Magnesium AZ31B-H24Zinc Zamak 3Plastic ABS (bulk/injection)Plastic PolycarbonatePlastic POM/AcetalPlastic Nylon PA6Plastic Nylon PA66Plastic PEEKPlastic PTFEPlastic UHMWPEPlastic HDPEPlastic PolypropylenePlastic PMMAFDM ASAFDM PolycarbonateFDM PAHT-CFFDM HIPSSLA Resin Tough 2000SLA Resin Elastic 50ASLS PA12 NylonDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30DMLS AlSi10Mg Aluminum
Strength against density

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