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DMLS Ti-6Al-4V ELI Titanium vs. PCB Board FR-4, 2 copper planes
Compare DMLS Ti-6Al-4V ELI Titanium vs. PCB Board FR-4, 2 copper planes 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 | 1,100MPasourcetypical, as built, average of horizontal + vertical (M400) | not given (tensile used) |
| Ultimate tensile strength | 1,270MPasourcetypical, as built, average of horizontal + vertical (M400) | 246–385MPasourcethe bare laminate's (fr4-370hr), in-plane: cross direction .. length direction (ASTM D3039) |
| Elongation at break | 8.7%sourcetypical at break, as built (M400) | not sourced |
| Young's modulus (stiffness) | 110GPasourcesame maker and process, sibling grade: EOS Titanium Ti64 (Grade 5) on EOS M 290, as built, XY and Z, typical | 21.9–25.8GPasourcethe bare laminate's (fr4-370hr), in-plane: cross direction .. length direction (ASTM D790-15e2); the copper planes are left out |
| Density | 4,400kg/m³sourcetypical part density (ISO 3369), M400 | not sourced |
| Strength to weight | 250kN·m/kg | not sourced |
| Stiffness to weight | 25MN·m/kg | not sourced |
| Poisson's ratio | 0.342sourcewrought TIMETAL 6-4 (TIMET measurement, mean of 10); composition-level, not DMLS-measured | 0.171–0.177sourcethe bare laminate's (fr4-370hr), in-plane: cross direction .. length direction |
| Shear modulus | 41GPa4.03x stiffer in shear | 10.2GPa |
| Bulk modulus | 116GPa | 12.2GPa |
| Speed of sound | 5,000m/s | not sourced |
| Thermal | ||
| Thermal conductivity | 6.6W/m·Ksourcebase material: wrought Ti-6Al-4V / 6-4 ELI (TIMET datasheet), 20 °C | not sourced |
| Thermal expansion | 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) | 13–14µm/m·Ksourcethe bare laminate's (fr4-370hr), in-plane X/Y-axis, below Tg (IPC-TM-650 2.4.24C) |
| 100 mm part over a 50 °C swing | 45µm growth1.5x less | 67.5µm growth |
| Specific heat | 580J/kg·Ksourcebase material: wrought Ti-6Al-4V / 6-4 ELI (TIMET datasheet), 20 °C | not sourced |
| Heats up and cools (diffusivity) | 2.59mm²/s | not sourced |
| Thermal shock resistance | 4,825W/m | not sourced |
| Melting point | 1,630–1,650°Csourcemelting range, wrought TIMETAL 6-4 (composition-level) | not sourced |
| Values for | 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 | A whole circuit board read as one orthotropic plate: the JEDEC high-K thermal test board (JESD51-7, "2s2p"), 0.062 in (1.575 mm) thick with two internal solid copper planes 0.0014 in (1 oz) thick, as Texas Instruments SZZA017A Table 1 gives it. Copper C110 and the Isola 370HR laminate from this library; the layers conduct in parallel along the board and in series through it (boardStackup.ts). Its two 0.0028 in trace layers cover little of the board and are left out; vias are ignored. Mechanical values are the bare laminate's. |
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
Is DMLS Ti-6Al-4V ELI Titanium stronger than PCB Board FR-4, 2 copper planes?
DMLS Ti-6Al-4V ELI Titanium is stronger: its yield strength is 1,100 MPa against tensile strength 315 MPa for PCB Board FR-4, 2 copper planes (3.49x).
Which is stiffer, DMLS Ti-6Al-4V ELI Titanium or PCB Board FR-4, 2 copper planes?
DMLS Ti-6Al-4V ELI Titanium is stiffer: Young's modulus 110 GPa against 23.9 GPa for PCB Board FR-4, 2 copper planes, so the same part in DMLS Ti-6Al-4V ELI Titanium deflects less under the same load.
Which expands less with temperature?
DMLS Ti-6Al-4V ELI Titanium expands less: 9 µm/m·K against 13.5 µm/m·K for PCB Board FR-4, 2 copper planes.
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