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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

SpecimensBefore heat treatmentAfter heat treatment
Surface roughness_Ra (µm)Surface roughness_Rz (µm)Surface roughness_Ra (µm)Surface roughness_Rz (µm)
11.649.751.527.87
21.5210.381.378.57
31.629.851.458.1
41.711.21.479.6
51.5811.771.389.75
61.6210.921.398.2
71.589.951.427.95
81.6510.371.48.26
91.6311.421.518.36
101.5911.671.329.5
111.612.11.4110.35
121.6910.651.379.55
131.5212.551.3810.45
141.579.871.397.65
151.6411.171.428.67
161.6110.5No heat treatment process on these specimens
171.599.89
181.5711.21
191.5310.58
201.69.78
211.5710.57
221.6111.56
231.5912.05
241.5811.52
251.6310.58
261.6210.77
271.5711.87
281.6312.08
291.611.54
301.5810.37