Table 3.
Result of compressive strength and surface roughness for ABS printed samples and its improvement using ultrasonic-assisted FDM.
| Run |
Control Factors |
Response Values |
Improvement compared to 0 kHz (%) |
|||
|---|---|---|---|---|---|---|
| Build Orientation | Ultrasonic Frequency (kHz) | Compressive Strength (MPa) | Surface Roughness, Ra (μm) | Compressive Strength (MPa) | Surface Roughness, Ra (μm) | |
| 1 | X | 0 | 28.8274 | 7.6233 | – | – |
| 2 | X | 10 | 28.2819 | 8.61 | −1.8923 | 12.94321 |
| 3 | X | 20 | 27.6912 | 8.06 | −3.9414 | 5.72849 |
| 4 | Z | 0 | 36.8548 | 8.6567 | – | – |
| 5 | Z | 10 | 36.8588 | 20.92 | 0.0109 | 141.6625 |
| 6 | Z | 20 | 36.1972 | 19.30667 | −1.7843 | 123.0257 |