Table 4 Average visible interlayer thickness after co-curing
From: Surface functionalization of thermoset composite for infrared hybrid welding
PEEK A | PEEK SC | PEI | |
|---|---|---|---|
Initial theoretical value | 25 μm | 25 μm | 50 μm |
Non treated | 25.5 μm +/0.7 | x | 39.8 μm +/1.4 |
Plasma treated (1 min) | 25.2 μm +/0.7 | 24.3 μm +/0.2 | 39.7 μm +/0.7 |
Plasma treated (1 day) | 25.4 μm +/0.9 | 24.4 μm +/0.4 | 42.1 μm +/2.0 |
Plasma treated (7 days) | 24.9 μm +/0.4 | 25.0 μm +/0.3 | 41.7 μm +/2.9 |