Table 4 Summary of roughness measurement results
From: Water-Jet Cavitation Shock Bulging as Novel Microforming Technique
Type | Incident pressure (MPa) | Forming depth (µm) | Ra (µm) | |||
|---|---|---|---|---|---|---|
Line a | Line b | Line c | Average | |||
Original sample | ~ | ~ | 0.292 | 0.284 | 0.287 | 0.288 |
Mold | ~ | ~ | 1.042 | 0.814 | 0.947 | 0.934 |
Bulging parts | 8 | 79.5 | 0.764 | 0.565 | 0.616 | 0.648 |
12 | 137.0 | 0.826 | 1.049 | 0.900 | 0.925 | |
16 | 163.9 | 1.219 | 1.358 | 1.201 | 1.259 | |
20 | 218.1 | 1.917 | 1.922 | 1.579 | 1.806 | |