Strength and Failure Mechanism of Composite-Steel Adhesive Bond Single Lap Joints

Table 1

Mechanical properties of the two adhesives.

Mechanical properties	7779	MA830
Young’s modulus, E (MPa)	1169	665
Tensile strength, σ (MPa)	29.43	25.06
Shear modulus, G (MPa)	389	251
Shear strength, τ (MPa)	20.40	18.49
Facture energy release rate in tension, (N/mm)	2.75	0.56
Facture energy release rate in shear, (N/mm)	2.03	1.23