Materials / Compare
Ceramic Aluminum Nitride vs. DMLS Ti-6Al-4V ELI Titanium
Compare Ceramic Aluminum Nitride vs. DMLS Ti-6Al-4V ELI Titanium strength, stiffness, weight and thermal properties.
| Try it on a partA sample part to run stress or thermal on, free in your browser | Open in LessCAD | Open in LessCAD |
|---|---|---|
| Mechanical | ||
| Yield strength | not sourced | 1,100MPasourcetypical, as built, average of horizontal + vertical (M400) |
| Ultimate tensile strength | not sourced | 1,270MPasourcetypical, as built, average of horizontal + vertical (M400) |
| Flexural strength | 310MPasource3-point bending strength (JIS R 1601) | not sourced |
| Elongation at break | not sourced | 8.7%sourcetypical at break, as built (M400) |
| Young's modulus (stiffness) | 320GPasourcetypical (JIS R 1602) | 110GPasourcesame maker and process, sibling grade: EOS Titanium Ti64 (Grade 5) on EOS M 290, as built, XY and Z, typical |
| Density | 3,400kg/m³sourcetypical (JIS R 1634) | 4,400kg/m³sourcetypical part density (ISO 3369), M400 |
| Strength to weight | not sourced | 250kN·m/kg |
| Stiffness to weight | 94.1MN·m/kg3.76x higher | 25MN·m/kg |
| Poisson's ratio | 0.24sourcetypical (JIS R 1602) | 0.342sourcewrought TIMETAL 6-4 (TIMET measurement, mean of 10); composition-level, not DMLS-measured |
| Shear modulus | 129GPa3.15x stiffer in shear | 41GPa |
| Bulk modulus | 205GPa | 116GPa |
| Speed of sound | 9,701m/s | 5,000m/s |
| Thermal | ||
| Thermal conductivity | 150W/m·Ksourcetypical (JIS R 1611) | 6.6W/m·Ksourcebase material: wrought Ti-6Al-4V / 6-4 ELI (TIMET datasheet), 20 °C |
| Thermal expansion | 4.6µm/m·Ksourcemean, 40-400 °C (JIS R 1618) | 9µm/m·Ksourcemean 25-100 °C, ASTM E228; EOS Ti64 Grade 23 (=ELI) on EOS M 290 40 µm; condition not stated (sheet's mechanical data are heat treated) |
| 100 mm part over a 50 °C swing | 23µm growth1.96x less | 45µm growth |
| Specific heat | 710J/kg·Ksourcetypical (JIS R 1611) | 580J/kg·Ksourcebase material: wrought Ti-6Al-4V / 6-4 ELI (TIMET datasheet), 20 °C |
| Heats up and cools (diffusivity) | 62.1mm²/s24x faster | 2.59mm²/s |
| Thermal shock resistance | not sourced | 4,825W/m |
| Melting point | not sourced | 1,630–1,650°Csourcemelting range, wrought TIMETAL 6-4 (composition-level) |
| Values for | KYOCERA AN216A dense sintered aluminium nitride, typical values; KYOCERA Fineceramics Europe data sheet 2023.04.03 | EOS Titanium Ti64ELI (powder 9011-0040; ASTM F136/F3001, i.e. Grade 23) on EOS M400 SF, parameter set Ti64ELI_030_FlexM400_100, 30 µm, as built; ISO 6892-1 A14 |
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.
DMLS Ti-6Al-4V ELI Titanium is 3D printed: its properties depend on build direction and print settings; these are typical values.
Questions
Which is lighter, Ceramic Aluminum Nitride or DMLS Ti-6Al-4V ELI Titanium?
Ceramic Aluminum Nitride is lighter: 3,400 kg/m³ against 4,400 kg/m³ for DMLS Ti-6Al-4V ELI Titanium.
Which is stiffer, Ceramic Aluminum Nitride or DMLS Ti-6Al-4V ELI Titanium?
Ceramic Aluminum Nitride is stiffer: Young's modulus 320 GPa against 110 GPa for DMLS Ti-6Al-4V ELI Titanium, 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 DMLS Ti-6Al-4V ELI Titanium?
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 be | Ceramic Aluminum Nitride | DMLS Ti-6Al-4V ELI Titanium |
|---|---|---|
| Stiff rod or tie (tension) | lighter | 3.76x heavier |
| Stiff beam (bending) | lighter | 2.21x heavier |
| Stiff panel or plate | lighter | 1.85x 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).
Which conducts heat better, Ceramic Aluminum Nitride or DMLS Ti-6Al-4V ELI Titanium?
Ceramic Aluminum Nitride conducts heat better: 150 W/m·K against 6.6 W/m·K for DMLS Ti-6Al-4V ELI Titanium.
Which expands less with temperature?
Ceramic Aluminum Nitride expands less: 4.6 µm/m·K against 9 µm/m·K for DMLS Ti-6Al-4V ELI Titanium.
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