LAMINATE OF MUTUALLY BONDED ADHESIVE LAYERS AND METAL SHEETS, AND METHOD TO OBTAIN SUCH LAMINATE

摘要

Described is a laminate, comprising a stack of mutually bonded adhesive layers and metal sheets. The laminate comprises abutting and/or overlapping metal sheet edges that extend along a length direction within a splicing region. A splice strap is connected to the laminate at an outer surface of the laminate across said splicing region, the splice strap comprising one layer of fiber-reinforced adhesive or of metal sheet, or stacked layers of fiber-reinforced adhesive and/or metal sheets. A widest splice strap layer is connected to the laminate over a transverse distance of at least 5 times the widest strap layer thickness, and the widest strap layer has a lower bending stiffness (E*t 3 ) strap layer than the bending stiffness (E*t 3 ) spliced layer of one of the spliced metal sheets (E*t 3 ) strap layer < (E*t 3 ) spliced layer and further E strap layer > 10 GPa. The laminate has an improved strength and fatigue behavior compared to known laminates.