Research Article
Cold Plasma Pretreatment of Carbon Fibre Composite Substrates to Improve Adhesive Bonding Performance
Table 2
Contact angle on CFRP surfaces.
| |
Surface treatment | Mean contact angle (°) | Standard deviation (%) |
| |
No treatment | 54 | 9 | |
Degreasing | 48 | 6 | |
Abrasion | 52 | 10 | |
Plasma | | |
| | Power input (W) | Time (s) | | |
| | 100 | 5 | 21 | 9 | | 100 | 60 | 20 | 5 | | 100 | 180 | 19 | 10 | | 100 | 300 | 16 | 15 | | 100 | 450 | 14 | 20 | | 100 | 600 | 12 | 18 | | 200 | 5 | 17 | 6 | | 200 | 60 | 14 | 20 | | 200 | 180 | 10 | 10 | | 200 | 300 | 7 | 25 | | 200 | 450 | 6 | 23 | | 200 | 600 | 5 | 30 |
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