AA5052-H32 sheets with a thickness of 1.6 mm and TP-CFRP sheets with a thickness of 1.6 mm were used to make joints. The TP-CFRP sheets composed of sixteen prepreg layers with cross lay-up [0°/90°/90°/0°/0°/90°/90°/0°/0°/90°/90°/0°/0°/90°/90°/0°] were supplied by TOPKEY Inc.
Cross-sectional micrograph of an Al/CFRP clinch joint and the top view and back view of an Al/CFRP clinch joint.