Materials / Compare

FDM PAHT-CF vs. Plywood

Compare FDM PAHT-CF vs. Plywood strength, stiffness, weight and thermal properties.

FDM PAHT-CF3D printed (FDM)
PlywoodNatural
MechanicalFDM PAHT-CFPlywood
Yield strengthnot given (tensile used)not given (tensile used)
Ultimate tensile strength92MPa1modulus of rupture41.4MPa2
Flexural strength125MPa13.02x stronger in bendingstatic bending MOR41.4MPa2
Elongation at break8.4%1not sourced
Young's modulus (stiffness)3.86GPa17.45GPa21.93x stiffer
Density1,060kg/m³1not sourced
Strength to weight86.8kN·m/kgnot sourced
Stiffness to weight3.64MN·m/kgnot sourced
Poisson's rationot sourcednot sourced
Shear modulusnot sourcednot sourced
Bulk modulusnot sourcednot sourced
Speed of sound1,908m/snot sourced
1k10k0.1110100Density (kg/m³)Young's modulus (GPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel 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 StandardSLA Resin Tough 2000SLS PA12 NylonDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcretePCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30FDM PAHT-CF
Stiffness against densityHigher and further left: stiffer for its weight
1k10k101001kDensity (kg/m³)Yield strength (MPa)Plastic PLAPlastic PETGPlastic ABSPlastic TPUPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel 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 StandardSLA 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 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30FDM PAHT-CF
Strength against densityHigher and further left: stronger for its weight
ThermalFDM PAHT-CFPlywood
Thermal conductivitynot sourced0.12W/m·K3
Thermal expansionnot sourcedbase material3.1–4.5µm/m·K4
100 mm part over a 50 °C swingnot sourced19µm growth
Specific heatnot sourcedbase material1,700J/kg·K4
Heats up and cools (diffusivity)not sourcednot sourced
Thermal shock resistancenot sourcednot sourced
Melting point225°C1not sourced
Glass transition70°C1not sourced
Max service temperatureHDT 1.8 MPa170°C1not sourced
1k10k0.1110100Density (kg/m³)Thermal conductivity (W/m·K)Plastic PLAPlastic PETGPlastic ABSPlastic NylonRubberWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel 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 StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30
Thermal conductivity against densityHigher and further left: spreads more heat for its weight
0.111010010100Thermal conductivity (W/m·K)Thermal expansion (µm/m·K)Plastic PETGPlastic ABSPlastic NylonWoodAluminumSteelIronTitaniumSteel AISI 1018Stainless Steel 304Stainless Steel 316Aluminum 6061-T6Aluminum 7075-T6Brass C360Copper C110Copper C10100Copper C12200GlassSteel 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 StandardDMLS AlSi10Mg AluminumDMLS Ti-6Al-4V ELI TitaniumDMLS 316L Stainless SteelDMLS 17-4PH Stainless SteelConcreteBrickPCB Laminate FR-4SiliconCeramic Alumina 96%Ceramic Aluminum NitrideAluminum A380Aluminum 6063-T6Aluminum 1100-OAluminum 3003-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Plywood
Thermal expansion against thermal conductivityLower and further right: warps less when heated
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Sources4 documents: Bambu Lab, USDA Forest Products Laboratory
FDM PAHT-CF
Bambu 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.
Plywood
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)
  1. 1
    Bambu PAHT-CF Technical Data Sheet, V3.0Bambu LabFDM PAHT-CF · Ultimate tensile strength: typicalFDM PAHT-CF · Flexural strength: typicalFDM PAHT-CF · Elongation at break: typicalFDM PAHT-CF · Young's modulus (stiffness): typicalFDM PAHT-CF · Density: typicalFDM PAHT-CF · Melting point: typicalFDM PAHT-CF · Glass transition: typicalFDM PAHT-CF · Max service temperature: HDT 1.8 MPa
  2. 2
    Wood Handbook (FPL-GTR-282), Chapter 12: Mechanical Properties of Wood-Based Composite MaterialsUSDA Forest Products LaboratoryPlywood · Ultimate tensile strength: modulus of rupture (no direct tensile value)Plywood · Flexural strength: static bending MOR (Douglas-fir); range 33.72-42.61 across speciesPlywood · Young's modulus (stiffness): static bending MOE of the panel (Douglas-fir); range 6.96-8.55 across species
  3. 3
    Thermal Properties of Wood and Wood Panel Products for Use in Buildings (1988)USDA Forest Products Laboratoryarchived copyPlywood · Thermal conductivity: APA-recommended design value (Douglas-fir plywood), as reported by FPL/ORNL
  4. 4
    Wood Handbook (FPL-GTR-282), Chapter 4: Moisture Relations and Physical Properties of WoodUSDA Forest Products LaboratoryPlywood · Thermal expansion: base material: solid wood parallel to grain, ovendry, range across speciesPlywood · Specific heat: base material: solid wood (all species), 12% MC, 27 C

Each number points to the document that states it, with the exact basis. Values without a number are computed from the sourced ones. "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

Mechanical

Is FDM PAHT-CF stronger than Plywood?

FDM PAHT-CF is stronger: its tensile strength is 92 MPa against 41.4 MPa for Plywood (2.22x).

Which is stiffer, FDM PAHT-CF or Plywood?

Plywood is stiffer: Young's modulus 7.45 GPa against 3.86 GPa for FDM PAHT-CF, so the same part in Plywood deflects less under the same load.

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