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Ceramic Alumina 96% vs. Plywood

Compare Ceramic Alumina 96% vs. Plywood strength, stiffness, weight and thermal properties.

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Ceramic Alumina 96%Sintered ceramic (pressed and fired)
PlywoodNatural
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Mechanical
Yield strengthnot given (tensile used)not given (tensile used)
Ultimate tensile strength221MPasourcetypical tensile strength, 25 °C (ACMA Test #4)41.4MPasourcemodulus of rupture (no direct tensile value)
Compressive strength2,068MPasourcetypical, 20 °C (ASTM-C773)not sourced
Flexural strength358MPasourceflexural strength (MOR), 20 °C (ASTM-F417)41.4MPasourcestatic bending MOR (Douglas-fir); range 33.72-42.61 across species
Elongation at breaknot sourcednot sourced
Young's modulus (stiffness)303GPasourcetypical, 20 °C (ASTM-C848)7.45GPasourcestatic bending MOE of the panel (Douglas-fir); range 6.96-8.55 across species
Density3,720kg/m³sourcetypical (ASTM-C20)not sourced
Strength to weight59.4kN·m/kgnot sourced
Stiffness to weight81.5MN·m/kgnot sourced
Poisson's ratio0.21sourcetypical, 20 °C (ASTM-C848)not sourced
Shear modulus125GPanot sourced
Bulk modulus174GPanot sourced
Speed of sound9,025m/snot sourced
Thermal
Thermal conductivity24.7W/m·Ksourcetypical, 20 °C (ASTM-C408)0.12W/m·KsourceAPA-recommended design value (Douglas-fir plywood), as reported by FPL/ORNL
Thermal expansion8.2µm/m·Ksourcemean, 25-1000 °C (ASTM-C372)3.1–4.5µm/m·Ksourcebase material: solid wood parallel to grain, ovendry, range across species
100 mm part over a 50 °C swing41µm growth19µm growth2.16x less
Specific heat880J/kg·Ksourcetypical, 100 °C (ASTM-E1269)1,700J/kg·Ksourcebase material: solid wood (all species), 12% MC, 27 C
Heats up and cools (diffusivity)7.55mm²/snot sourced
Thermal shock resistance1,736W/mnot sourced
Values forCoorsTek AD-96, nominal 96% Al2O3 sintered alumina, typical values; CoorsTek "Ceramic Seal Material Properties" (© 2018, 01899 F). AD-96 is the general 96% grade, not the ADS-96R substrate grade.Douglas-fir plywood sheathing (construction plywood per PS 1), static bending properties from USDA FPL Wood Handbook FPL-GTR-282 Ch. 12 Table 12-2 (Biblis 2000)

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

Is Ceramic Alumina 96% stronger than Plywood?

Ceramic Alumina 96% is stronger: its tensile strength is 221 MPa against 41.4 MPa for Plywood (5.34x).

Which is stiffer, Ceramic Alumina 96% or Plywood?

Ceramic Alumina 96% is stiffer: Young's modulus 303 GPa against 7.45 GPa for Plywood, so the same part in Ceramic Alumina 96% deflects less under the same load.

Which conducts heat better, Ceramic Alumina 96% or Plywood?

Ceramic Alumina 96% conducts heat better: 24.7 W/m·K against 0.12 W/m·K for Plywood.

Which expands less with temperature?

Plywood expands less: 3.8 µm/m·K against 8.2 µm/m·K for Ceramic Alumina 96%.

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 Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Ceramic Alumina 96%
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-4SiliconAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Ceramic Alumina 96%
Strength against density

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