Table 3.
Literature research for process parameters window and mechanical performance for PBF of polypropylene specimens
| Ref. | [31] | [32] | [33] | [34] | [24,25] | [24,25] | DOE |
|---|---|---|---|---|---|---|---|
| Material | Coathylene (80%) + PA12 (20%) | PP-R201 Trial Corp. (Japan) | iCoPP | PPCP22 (Diamond Plastics) | Rolaserit PP (ROWAK) | Rolaserit PP (ROWAK) | Coathylene + SiO2 (0.25 wt %) |
| Machine | DTM Sinterstation 2000 | HRPS-IV SLS system | DTM Sinterstation 2000 | DTM Sinterstation 2000 | EOS Formiga P100 | DTM Sinterstation 2500 | Open PBF system |
| T b (°C) | 160 | 150 | 122 | 148 | N/A | N/A | 150 |
| Ws (°C) | 38 | 21 * | N/A | 34.1 | 27.3 | 27.3 | 35.1 |
| Particle Size (µm) | N/A | D10 (38.1), D50 (63.6), D90 (106) | N/A | D50 (70) | N/A | N/A | D10 (30.29), D50 (49.01), D90 (76.63) |
| P (W) | 6, 7, 8, 9 | 8.25, 11, 13.75, 16.5 | 15, 20, 25 | 15, 20, 25 | 18, 21.5, 25 | 21, 41 | 15, 16.5, 18 |
| Lt (mm) | 0.1 | 0.15 | 0.1 | 0.1 | 0.06, 0.1, 0.12 * | 0.1, 0.3 * | 0.15 |
| V (mm/s) | 1257 | 1500, 2000, 2500, 3000 | 5080 | 3500, 5080 | 4000, 5000 | 5000 | 2000, 2250, 2500 |
| S (mm) | 0.15, 0.25 * | 0.2 | 0.23 | 0.23 | 0.15, 0.2, 0.25 | 0.2 | 0.3 |
| Min. Ev (J/mm3) | 0.191 | 0.092 | 0.128 | 0.128 | 0.120 | 0.070 | 0.100 |
| Max. Ev (J/mm3) | 0.477 | 0.367 | 0.214 | 0.311 | 0.694 | 0.410 | 0.150 |
| Opt. Ev (J/mm3) | 0.191 * | 0.306 * | N/A | N/A | 0.25 * | 0.25 * | 0.138 |
| Max. TS (MPa) | 29 | 19.9 | 19,5 | N/A | 18 | 18.5 | 23.1 |
| Max. EAB (%) | 4 | N/A | N/A | N/A | 13 | 15 | 3.5 |