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Ceramic Aluminum Nitride vs. Concrete

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

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Ceramic Aluminum NitrideSintered ceramic (pressed and fired)
ConcreteCast
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Mechanical
Yield strengthnot sourcednot sourced
Ultimate tensile strengthnot sourcednot sourced
Compressive strengthnot sourced27.6MPasourcespecified compressive strength class (f'c), not a measured typical
Flexural strength310MPasource3-point bending strength (JIS R 1601)not sourced
Elongation at breaknot sourcednot sourced
Young's modulus (stiffness)320GPasourcetypical (JIS R 1602)not sourced
Density3,400kg/m³sourcetypical (JIS R 1634)2,240–2,400kg/m³sourcerange for normalweight concrete
Strength to weightnot sourcednot sourced
Stiffness to weight94.1MN·m/kgnot sourced
Poisson's ratio0.24sourcetypical (JIS R 1602)0.15–0.2sourcegeneral range at normal ambient conditions (overall 0.11-0.32)
Shear modulus129GPanot sourced
Bulk modulus205GPanot sourced
Speed of sound9,701m/snot sourced
Thermal
Thermal conductivity150W/m·Ksourcetypical (JIS R 1611)0.9W/m·Ksourcetypical (comparative value)
Thermal expansion4.6µm/m·Ksourcemean, 40-400 °C (JIS R 1618)8–12µm/m·Ksourcetypical range for portland cement concrete (aggregate dependent)
100 mm part over a 50 °C swing23µm growth2.17x less50µm growth
Specific heat710J/kg·Ksourcetypical (JIS R 1611)900J/kg·Ksourcetypical (NIST guidance for thermal analysis)
Heats up and cools (diffusivity)62.1mm²/s144x faster0.431mm²/s
Thermal shock resistancenot sourcednot sourced
Max service temperaturenot sourced65°Csourcecode long-term temperature limit (ASME Code, concrete containments)
Values forKYOCERA AN216A dense sintered aluminium nitride, typical values; KYOCERA Fineceramics Europe data sheet 2023.04.03Normal-weight portland cement concrete, strength class f'c = 4000 psi (28 MPa) per NRMCA CIP 35; density NRMCA CIP 36; thermal conductivity USDA FPL Wood Handbook; service temperature ORNL/NRC review

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, Ceramic Aluminum Nitride or Concrete?

Concrete is lighter: 2,320 kg/m³ against 3,400 kg/m³ for Ceramic Aluminum Nitride.

Which conducts heat better, Ceramic Aluminum Nitride or Concrete?

Ceramic Aluminum Nitride conducts heat better: 150 W/m·K against 0.9 W/m·K for Concrete.

Which expands less with temperature?

Ceramic Aluminum Nitride expands less: 4.6 µm/m·K against 10 µm/m·K for Concrete.

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-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Ceramic 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-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30
Strength against density

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