Official Journal of the Japan Wood Research Society
Table 2 Surface composition of the wood dowel and welding interface determined by XPS
From: Mechanics and pyrolysis analyses of rotation welding with pretreated wood dowels
Test group | Samples | Elements (%) | Ratio (%) | ||
|---|---|---|---|---|---|
C | O | N | O/C | ||
Group A | Wood dowel | 76.52 (1.24) | 22.92 (1.30) | 0.56 (0.07) | 29.98 (2.19) |
Welding interface | 70.79 (1.58) | 28.69 (1.37) | 0.52 (0.22) | 40.56 (2.83) | |
Group B (CuCl2) | Wood dowel | 75.31 (2.75) | 24.11 (2.82) | 0.58 (0.17) | 32.13 (4.95) |
Welding interface | 70.43 (3.07) | 29.05 (3.11) | 0.52 (0.04) | 41.43 (6.21) | |
Test group | Samples | Carbon C1s components (%) | |||
|---|---|---|---|---|---|
C1 | C2 | C3 | C4 | ||
Group A | Wood dowel | 65.23 (2.97) | 25.14 (2.80) | 6.68 (1.87) | 2.95 (1.69) |
Welding interface | 56.81 (5.02) | 31.19 (6.19) | 10.07 (2.26) | 1.93 (1.81) | |
Group B (CuCl2) | Wood dowel | 61.54 (2.12) | 30.55 (3.88) | 5.46 (2.50) | 2.45 (1.54) |
Welding interface | 48.73 (3.14) | 39.82 (4.36) | 9.68 (2.20) | 1.77 (1.02) | |