Materials / Compare

Aluminum A380 vs. Ceramic Aluminum Nitride

Compare Aluminum A380 vs. Ceramic Aluminum Nitride strength, stiffness, weight and thermal properties.

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Aluminum A380Cast
Ceramic Aluminum NitrideSintered ceramic (pressed and fired)
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Mechanical
Yield strength160MPasourcetypical, 25 °Cnot sourced
Ultimate tensile strength320MPasourcetypical, 25 °Cnot sourced
Flexural strengthnot sourced310MPasource3-point bending strength (JIS R 1601)
Elongation at break3.5%sourcetypicalnot sourced
Young's modulus (stiffness)71GPasourcetypical, 25 °C320GPasourcetypical (JIS R 1602)
Density2,713kg/m³sourcetypical at 68 °F3,400kg/m³sourcetypical (JIS R 1634)
Strength to weight59kN·m/kgnot sourced
Stiffness to weight26.2MN·m/kg94.1MN·m/kg3.6x higher
Poisson's rationot sourced0.24sourcetypical (JIS R 1602)
Shear modulusnot sourced129GPa
Bulk modulusnot sourced205GPa
Speed of sound5,116m/s9,701m/s
Thermal
Thermal conductivity96.2W/m·Ksourcetypical at 68 °F150W/m·Ksourcetypical (JIS R 1611)
Thermal expansion21.8µm/m·Ksourcetypical, 68-572 °F (20-300 °C)4.6µm/m·Ksourcemean, 40-400 °C (JIS R 1618)
100 mm part over a 50 °C swing109µm growth23µm growth4.73x less
Specific heat963J/kg·Ksourcetypical at 68 °F710J/kg·Ksourcetypical (JIS R 1611)
Heats up and cools (diffusivity)36.8mm²/s62.1mm²/s1.69x faster
Thermal shock resistancenot sourcednot sourced
Values forA380 aluminium high-pressure die-casting alloy, typical properties; Rheocast Company (aluminium die caster, Germantown WI) A380 alloy data page.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 A380 or Ceramic Aluminum Nitride?

Aluminum A380 is lighter: 2,713 kg/m³ against 3,400 kg/m³ for Ceramic Aluminum Nitride.

Which is stiffer, Aluminum A380 or Ceramic Aluminum Nitride?

Ceramic Aluminum Nitride is stiffer: Young's modulus 320 GPa against 71 GPa for Aluminum A380, so the same part in Ceramic Aluminum Nitride deflects less under the same load.

Which is lighter for the same job, Aluminum A380 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 A380Ceramic Aluminum Nitride
Stiff rod or tie (tension)3.6x heavierlighter
Stiff beam (bending)1.69x heavierlighter
Stiff panel or plate32% 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 A380 or Ceramic Aluminum Nitride?

Ceramic Aluminum Nitride conducts heat better: 150 W/m·K against 96.2 W/m·K for Aluminum A380.

Which expands less with temperature?

Ceramic Aluminum Nitride expands less: 4.6 µm/m·K against 21.8 µm/m·K for Aluminum A380.

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 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum A380Ceramic 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 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum A380
Strength against density

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