The introduction of aluminum, Fiber-Reinforced Plastics (FRP), and other new materials to the shipbuilding industry has meant that joining materials with adhesive bonds has become a promising alternative to welding. However, unlike the aerospace and automotive industries, the application of adhesive bonds in ship structures remains sporadic because of limited practical knowledge, relatively high amplitude cyclic loads, and a severely corrosive marine environment. In order to investigate the potential of adhesive bonding for marine structures, representative structural details have been selected and tested. The present paper discusses the results of a series of fatigue tests on steel single-lap adhesively bonded joints, including the effects of loading frequency, stress level, and random fatigue loading. These results will be used to construct a guide for the design of adhesive bonding in marine structures.

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