Table 1 Surface roughness values of wood adherends before and after heat treatment process
From: Effects of heat treatment on the behavior of teak wood adherends bonded joints
Specimens | Before heat treatment | After heat treatment | ||
|---|---|---|---|---|
Surface roughness_Ra (µm) | Surface roughness_Rz (µm) | Surface roughness_Ra (µm) | Surface roughness_Rz (µm) | |
1 | 1.64 | 9.75 | 1.52 | 7.87 |
2 | 1.52 | 10.38 | 1.37 | 8.57 |
3 | 1.62 | 9.85 | 1.45 | 8.1 |
4 | 1.7 | 11.2 | 1.47 | 9.6 |
5 | 1.58 | 11.77 | 1.38 | 9.75 |
6 | 1.62 | 10.92 | 1.39 | 8.2 |
7 | 1.58 | 9.95 | 1.42 | 7.95 |
8 | 1.65 | 10.37 | 1.4 | 8.26 |
9 | 1.63 | 11.42 | 1.51 | 8.36 |
10 | 1.59 | 11.67 | 1.32 | 9.5 |
11 | 1.6 | 12.1 | 1.41 | 10.35 |
12 | 1.69 | 10.65 | 1.37 | 9.55 |
13 | 1.52 | 12.55 | 1.38 | 10.45 |
14 | 1.57 | 9.87 | 1.39 | 7.65 |
15 | 1.64 | 11.17 | 1.42 | 8.67 |
16 | 1.61 | 10.5 | No heat treatment process on these specimens | |
17 | 1.59 | 9.89 | ||
18 | 1.57 | 11.21 | ||
19 | 1.53 | 10.58 | ||
20 | 1.6 | 9.78 | ||
21 | 1.57 | 10.57 | ||
22 | 1.61 | 11.56 | ||
23 | 1.59 | 12.05 | ||
24 | 1.58 | 11.52 | ||
25 | 1.63 | 10.58 | ||
26 | 1.62 | 10.77 | ||
27 | 1.57 | 11.87 | ||
28 | 1.63 | 12.08 | ||
29 | 1.6 | 11.54 | ||
30 | 1.58 | 10.37 | ||