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Ceramic Aluminum Nitride vs. FDM PAHT-CF

Compare Ceramic Aluminum Nitride vs. FDM PAHT-CF strength, stiffness, weight and thermal properties.

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Ceramic Aluminum NitrideSintered ceramic (pressed and fired)
FDM PAHT-CF3D printed (FDM)
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Mechanical
Yield strengthnot sourcednot given (tensile used)
Ultimate tensile strengthnot sourced92MPasourcetypical
Flexural strength310MPasource3-point bending strength (JIS R 1601)125MPasourcetypical
Elongation at breaknot sourced8.4%sourcetypical
Young's modulus (stiffness)320GPasourcetypical (JIS R 1602)3.86GPasourcetypical
Density3,400kg/m³sourcetypical (JIS R 1634)1,060kg/m³sourcetypical
Strength to weightnot sourced86.8kN·m/kg
Stiffness to weight94.1MN·m/kg25.8x higher3.64MN·m/kg
Poisson's ratio0.24sourcetypical (JIS R 1602)not sourced
Shear modulus129GPanot sourced
Bulk modulus205GPanot sourced
Speed of sound9,701m/s1,908m/s
Thermal
Thermal conductivity150W/m·Ksourcetypical (JIS R 1611)not sourced
Thermal expansion4.6µm/m·Ksourcemean, 40-400 °C (JIS R 1618)not sourced
100 mm part over a 50 °C swing23µm growthnot sourced
Specific heat710J/kg·Ksourcetypical (JIS R 1611)not sourced
Heats up and cools (diffusivity)62.1mm²/snot sourced
Thermal shock resistancenot sourcednot sourced
Melting pointnot sourced225°Csourcetypical
Glass transitionnot sourced70°Csourcetypical
Max service temperaturenot sourced170°CsourceHDT 1.8 MPa
Values forKYOCERA AN216A dense sintered aluminium nitride, typical values; KYOCERA Fineceramics Europe data sheet 2023.04.03Bambu Lab PAHT-CF, TDS V3.0, printed specimens X-Y, dry state; nozzle 290 °C, bed 100 °C, 100 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 PAHT-CF is 3D printed: its properties depend on build direction and print settings; these are typical values.

Questions

Which is lighter, Ceramic Aluminum Nitride or FDM PAHT-CF?

FDM PAHT-CF is lighter: 1,060 kg/m³ against 3,400 kg/m³ for Ceramic Aluminum Nitride.

Which is stiffer, Ceramic Aluminum Nitride or FDM PAHT-CF?

Ceramic Aluminum Nitride is stiffer: Young's modulus 320 GPa against 3.86 GPa for FDM PAHT-CF, so the same part in Ceramic Aluminum Nitride deflects less under the same load.

Which is lighter for the same job, Ceramic Aluminum Nitride or FDM PAHT-CF?

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 beCeramic Aluminum NitrideFDM PAHT-CF
Stiff rod or tie (tension)lighter25.8x heavier
Stiff beam (bending)lighter2.84x heavier
Stiff panel or platelighter36% heavier

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).

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 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 NitrideFDM PAHT-CF
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 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 GF30FDM PAHT-CF
Strength against density

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