From: Effect of oxidation and surface roughness on the shear strength of single-lap-joint adhesively bonded metal specimens by tension loading
Alloy
a
b
c
d
AA6061
−2.6267
19.625
−43.788
55.32
AA7075
−8.805
6.215
−13.95
36.19
AISI 1080 steel
−0.8883
8.065
−20.347
40.03