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Aluminum A380 vs. Wood

Compare Aluminum A380 vs. Wood strength, stiffness, weight and thermal properties.

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Aluminum A380Cast
WoodNatural
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Mechanical
Yield strength160MPasourcetypical, 25 °Cnot given (tensile used)
Ultimate tensile strength320MPasourcetypical, 25 °C99MPasourcemodulus of rupture (no direct tensile value)
Compressive strengthnot sourced46.6MPasourcecompression parallel to grain (maximum crushing strength), 12% MC
Flexural strengthnot sourced99MPasourcemodulus of rupture (static bending), 12% MC
Elongation at break3.5%sourcetypicalnot sourced
Young's modulus (stiffness)71GPasourcetypical, 25 °C12.5GPasourcebending MOE, parallel to grain
Density2,713kg/m³sourcetypical at 68 °Fnot sourced
Strength to weight59kN·m/kgnot sourced
Stiffness to weight26.2MN·m/kgnot sourced
Poisson's rationot sourced0.35sourcemu_LR (red oak group, ~12% MC)
Shear modulusnot sourced4.63GPa
Bulk modulusnot sourced13.9GPa
Speed of sound5,116m/snot sourced
Thermal
Thermal conductivity96.2W/m·Ksourcetypical at 68 °F0.18W/m·Ksourceacross grain, 12% MC (Table 4-7, approximate)
Thermal expansion21.8µm/m·Ksourcetypical, 68-572 °F (20-300 °C)3.1–4.5µm/m·Ksourceparallel to grain, ovendry wood, range across species
100 mm part over a 50 °C swing109µm growth19µm growth5.73x less
Specific heat963J/kg·Ksourcetypical at 68 °F1,700J/kg·Ksourcesolid wood (all species), 12% MC, 27 C
Heats up and cools (diffusivity)36.8mm²/snot sourced
Thermal shock resistancenot sourced244W/m
Values forA380 aluminium high-pressure die-casting alloy, typical properties; Rheocast Company (aluminium die caster, Germantown WI) A380 alloy data page.Northern red oak (Quercus rubra), clear straight-grained specimens at 12% MC, parallel to grain unless stated; USDA FPL Wood Handbook FPL-GTR-282 (2021) Ch. 4 and Ch. 5

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 Aluminum A380 stronger than Wood?

Aluminum A380 is stronger: its yield strength is 160 MPa against tensile strength 99 MPa for Wood (1.62x).

Which is stiffer, Aluminum A380 or Wood?

Aluminum A380 is stiffer: Young's modulus 71 GPa against 12.5 GPa for Wood, so the same part in Aluminum A380 deflects less under the same load.

Which conducts heat better, Aluminum A380 or Wood?

Aluminum A380 conducts heat better: 96.2 W/m·K against 0.18 W/m·K for Wood.

Which expands less with temperature?

Wood expands less: 3.8 µm/m·K against 21.8 µm/m·K for Aluminum A380.

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 Alumina 96%Ceramic Aluminum NitrideAluminum 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum A380
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-4SiliconCeramic Alumina 96%Aluminum 6063-T6Aluminum 1100-OAluminum ADC12Magnesium AZ91DSolder SAC305Plastic PBT GF30Plastic PPS GF40Plastic LCP GF30Aluminum A380
Strength against density

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