Research Article
Cold Plasma Pretreatment of Carbon Fibre Composite Substrates to Improve Adhesive Bonding Performance
Table 3
Shear strength of adhesive joints with different surface treatments.
| |
Surface treatment | Mean shear strength (MPa) | Standard deviation (%) |
| |
No treatment | 1.24 | 83 | |
Degreasing | 3.36 | 26 | |
Abrasion | 5.28 | 34 | |
Plasma | | |
| | Power input (W) | Time (s) | | |
| | 100 | 5 | 3.62 | 24 | | 100 | 60 | 4.36 | 7 | | 100 | 180 | 4.79 | 5 | | 100 | 300 | 4.34 | 7 | | 100 | 450 | — | — | | 100 | 600 | — | — | | 200 | 5 | 3.92 | 19 | | 200 | 60 | 5.67 | 12 | | 200 | 180 | 5.77 | 8 | | 200 | 300 | 7.30 | 6 | | 200 | 450 | 7.28 | 11 | | 200 | 600 | 5.79 | 8 |
|
|
