Materials / Compare

Aluminum ADC12 vs. Ceramic Aluminum Nitride

Compare Aluminum ADC12 vs. Ceramic Aluminum Nitride strength, stiffness, weight and thermal properties.

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Aluminum ADC12Cast
Ceramic Aluminum NitrideSintered ceramic (pressed and fired)
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Mechanical
Yield strength149MPasourceone test result, 0.2% proof stress, as cast, ASTM tensile bar (Daiki)not sourced
Ultimate tensile strength345MPasourceone test result, as cast, ASTM tensile bar (Daiki)not sourced
Flexural strengthnot sourced310MPasource3-point bending strength (JIS R 1601)
Elongation at break2.3%sourceone test result, as cast, ASTM tensile bar (Daiki)not sourced
Young's modulus (stiffness)79.8GPasourcestandard value (S.S.Aluminum)320GPasourcetypical (JIS R 1602)
Density2,680kg/m³sourcemeasured (Daiki)3,400kg/m³sourcetypical (JIS R 1634)
Strength to weight55.6kN·m/kgnot sourced
Stiffness to weight29.8MN·m/kg94.1MN·m/kg3.16x higher
Poisson's rationot sourced0.24sourcetypical (JIS R 1602)
Shear modulusnot sourced129GPa
Bulk modulusnot sourced205GPa
Speed of sound5,457m/s9,701m/s
Thermal
Thermal conductivity125W/m·Ksourcemeasured on specimens cut from a 50 x 100 x 5 mm flat die casting (Daiki)150W/m·Ksourcetypical (JIS R 1611)
Thermal expansion21µm/m·Ksourcemeasured, temperature range not stated (Daiki)4.6µm/m·Ksourcemean, 40-400 °C (JIS R 1618)
100 mm part over a 50 °C swing105µm growth23µm growth4.57x less
Specific heat911J/kg·Ksourcemeasured (Daiki)710J/kg·Ksourcetypical (JIS R 1611)
Heats up and cools (diffusivity)51.2mm²/s62.1mm²/s21% faster
Thermal shock resistancenot sourcednot sourced
Melting point515–582°Csourcesolidus-liquidus (Daiki)not sourced
Values forJIS ADC12 (Al-Si-Cu, about A383 / EN AC-46100) high-pressure die-casting alloy, as cast; physical properties from Daiki Aluminium Industry (ADC12 ingot producer) measured values; modulus from S.S.Aluminum (ADC12 ingot producer) standard values.KYOCERA AN216A dense sintered aluminium nitride, typical values; KYOCERA Fineceramics Europe data sheet 2023.04.03

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.

Questions

Which is lighter, Aluminum ADC12 or Ceramic Aluminum Nitride?

Aluminum ADC12 is lighter: 2,680 kg/m³ against 3,400 kg/m³ for Ceramic Aluminum Nitride.

Which is stiffer, Aluminum ADC12 or Ceramic Aluminum Nitride?

Ceramic Aluminum Nitride is stiffer: Young's modulus 320 GPa against 79.8 GPa for Aluminum ADC12, so the same part in Ceramic Aluminum Nitride deflects less under the same load.

Which is lighter for the same job, Aluminum ADC12 or Ceramic Aluminum Nitride?

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 beAluminum ADC12Ceramic Aluminum Nitride
Stiff rod or tie (tension)3.16x heavierlighter
Stiff beam (bending)1.58x heavierlighter
Stiff panel or plate25% heavierlighter

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, Aluminum ADC12 or Ceramic Aluminum Nitride?

Ceramic Aluminum Nitride conducts heat better: 150 W/m·K against 125 W/m·K for Aluminum ADC12.

Which expands less with temperature?

Ceramic Aluminum Nitride expands less: 4.6 µm/m·K against 21 µm/m·K for Aluminum ADC12.

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 AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum A380Aluminum 6063-T6Aluminum 1100-OMagnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum ADC12Ceramic Aluminum Nitride
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 AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Aluminum A380Aluminum 6063-T6Aluminum 1100-OMagnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum ADC12
Strength against density

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