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Ceramic Alumina 96% vs. FDM ASA

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

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Ceramic Alumina 96%Sintered ceramic (pressed and fired)
FDM ASA3D printed (FDM)
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Mechanical
Yield strengthnot given (tensile used)not given (tensile used)
Ultimate tensile strength221MPasourcetypical tensile strength, 25 °C (ACMA Test #4)37MPasourcetypical
Compressive strength2,068MPasourcetypical, 20 °C (ASTM-C773)not sourced
Flexural strength358MPasourceflexural strength (MOR), 20 °C (ASTM-F417)65MPasourcetypical
Elongation at breaknot sourced9.2%sourcetypical
Young's modulus (stiffness)303GPasourcetypical, 20 °C (ASTM-C848)2.45GPasourcetypical
Density3,720kg/m³sourcetypical (ASTM-C20)1,050kg/m³sourcetypical
Strength to weight59.4kN·m/kg1.69x higher35.2kN·m/kg
Stiffness to weight81.5MN·m/kg34.9x higher2.33MN·m/kg
Poisson's ratio0.21sourcetypical, 20 °C (ASTM-C848)not sourced
Shear modulus125GPanot sourced
Bulk modulus174GPanot sourced
Speed of sound9,025m/s1,528m/s
Thermal
Thermal conductivity24.7W/m·Ksourcetypical, 20 °C (ASTM-C408)0.17W/m·Ksourcebase material: INEOS Styrolution Luran S 777K injection-molding ASA, typical
Thermal expansion8.2µm/m·Ksourcemean, 25-1000 °C (ASTM-C372)80–110µm/m·Ksourcebase material: INEOS Styrolution Luran S 777K injection-molding ASA, range
100 mm part over a 50 °C swing41µm growth11.6x less475µm growth
Specific heat880J/kg·Ksourcetypical, 100 °C (ASTM-E1269)not sourced
Heats up and cools (diffusivity)7.55mm²/snot sourced
Thermal shock resistance1,736W/mnot sourced
Max service temperaturenot sourced92°CsourceHDT 1.8 MPa
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.Bambu Lab ASA, TDS V3.0, printed specimens X-Y; nozzle 260 °C, bed 80 °C, 200 mm/s, 100% infill; annealed and dried 80 °C for 12 h before testing.

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.

FDM ASA is 3D printed: its properties depend on build direction and print settings; these are typical values.

Questions

Is Ceramic Alumina 96% stronger than FDM ASA?

Ceramic Alumina 96% is stronger: its tensile strength is 221 MPa against 37 MPa for FDM ASA (5.97x).

Which is lighter, Ceramic Alumina 96% or FDM ASA?

FDM ASA is lighter: 1,050 kg/m³ against 3,720 kg/m³ for Ceramic Alumina 96%.

Which is stiffer, Ceramic Alumina 96% or FDM ASA?

Ceramic Alumina 96% is stiffer: Young's modulus 303 GPa against 2.45 GPa for FDM ASA, so the same part in Ceramic Alumina 96% deflects less under the same load.

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

For the same stiffness or strength: Ceramic Alumina 96% is lighter for a stiff rod or tie (tension), stiff beam (bending), stiff panel or plate, strong rod or tie; FDM ASA is lighter for a strong beam, strong panel or plate.

Part that must beCeramic Alumina 96%FDM ASA
Stiff rod or tie (tension)lighter34.9x heavier
Stiff beam (bending)lighter3.14x heavier
Stiff panel or platelighter41% heavier
Strong rod or tielighter1.69x heavier
Strong beam8% heavierlighter
Strong panel or plate45% 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, Ceramic Alumina 96% or FDM ASA?

Ceramic Alumina 96% conducts heat better: 24.7 W/m·K against 0.17 W/m·K for FDM ASA.

Which expands less with temperature?

Ceramic Alumina 96% expands less: 8.2 µm/m·K against 95 µm/m·K for FDM ASA.

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 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%FDM ASA
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 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%FDM ASA
Strength against density

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