Materials / Compare

Brick vs. Ceramic Alumina 96%

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

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BrickNatural
Ceramic Alumina 96%Sintered ceramic (pressed and fired)
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Mechanical
Yield strengthnot given (tensile used)not given (tensile used)
Ultimate tensile strength5.1MPasourcemodulus of rupture (no direct tensile value)221MPasourcetypical tensile strength, 25 °C (ACMA Test #4)
Compressive strength77.9MPasourcemean unit compressive strength, solid extruded brick (survey mean; SD 30.8 MPa)2,068MPasourcetypical, 20 °C (ASTM-C773)
Flexural strengthnot sourced358MPasourceflexural strength (MOR), 20 °C (ASTM-F417)
Elongation at breaknot sourcednot sourced
Young's modulus (stiffness)not sourced303GPasourcetypical, 20 °C (ASTM-C848)
Density2,082kg/m³sourceface brick density row used for k (BIA notes most fired clay brick 120-130 lb/ft3)3,720kg/m³sourcetypical (ASTM-C20)
Strength to weight2.45kN·m/kg59.4kN·m/kg24.3x higher
Stiffness to weightnot sourced81.5MN·m/kg
Poisson's rationot sourced0.21sourcetypical, 20 °C (ASTM-C848)
Shear modulusnot sourced125GPa
Bulk modulusnot sourced174GPa
Speed of soundnot sourced9,025m/s
Thermal
Thermal conductivity0.92–1.12W/m·Ksourcerange for 130 lb/ft3 face brick (ASHRAE 2013 via BIA)24.7W/m·Ksourcetypical, 20 °C (ASTM-C408)
Thermal expansion7.2µm/m·KsourceTMS Code average coefficient, clay/shale unit masonry8.2µm/m·Ksourcemean, 25-1000 °C (ASTM-C372)
100 mm part over a 50 °C swing36µm growth14% less41µm growth
Specific heat837J/kg·Ksourcevalue used in BIA heat-capacity sample calculation880J/kg·Ksourcetypical, 100 °C (ASTM-E1269)
Heats up and cools (diffusivity)0.585mm²/s7.55mm²/s12.9x faster
Thermal shock resistancenot sourced1,736W/m
Values forSolid extruded clay/shale brick units (BIA 1993 manufacturer survey, TN 3A 2024); face brick of 130 lb/ft3 for thermal properties (BIA TN 4, from ASHRAE 2013); CTE is the TMS Code value for clay/shale masonryCoorsTek 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.

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 Brick stronger than Ceramic Alumina 96%?

Ceramic Alumina 96% is stronger: its tensile strength is 221 MPa against 5.1 MPa for Brick (43.3x).

Which is lighter, Brick or Ceramic Alumina 96%?

Brick is lighter: 2,082 kg/m³ against 3,720 kg/m³ for Ceramic Alumina 96%.

Which is lighter for the same job, Brick or Ceramic Alumina 96%?

For the same stiffness or strength: Ceramic Alumina 96% is lighter for a strong rod or tie, strong beam, strong panel or plate.

Part that must beBrickCeramic Alumina 96%
Strong rod or tie24.3x heavierlighter
Strong beam6.9x heavierlighter
Strong panel or plate3.68x 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, Brick or Ceramic Alumina 96%?

Ceramic Alumina 96% conducts heat better: 24.7 W/m·K against 1.02 W/m·K for Brick.

Which expands less with temperature?

Brick expands less: 7.2 µm/m·K against 8.2 µm/m·K for Ceramic Alumina 96%.

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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 SteelPCB Laminate FR-4SiliconAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30BrickCeramic Alumina 96%
Strength against density

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