Guntram Wagner, Frank Balle and Dietmar Eifler Ultrasonic Welding of Aluminum Alloys to Fiber Reinforced Polymers Advanced Engineering Materials 15
For the first time the ultrasonic metal welding technique is applied successfully to join sheet metals with CFRP. Different aluminum alloys are studied and mechanically characterized. Tensile shear strengths of up to 58 MPa are achieved. The microstructure of the hybrid joints are investigated by electron microscopy. Besides single spot welded Al/CFRP-joints also multi-spot welded structures are realized.
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