Abstract
With the development of carbon fiber composites with the extensive use of Carbon Fiber Reinforced Plastic (CFRP) and Aluminum alloy in car body, the traditional connection mode between carbon fiber and light metal cannot meet the development requirements of plate connection, and the Flow Drilling Screw process has well enriched the connection mode of heterogeneous materials. This paper takes CFRP plate with thickness of 1.5mm and Al5052 aluminum alloy plate with thickness of 1.5mm as the research object DEFORM-3D software simulates and analyzes the flow drilling screw process connection of CFRP-Al5052 dissimilar plates. According to the simulation results, the influence laws of the first stage screw speed, the second stage screw speed and pressing speed on the inter plate clearance, sleeve length and wall thickness of the formed joint are explored by using the range method, the influence weights of different process parameters on the joint forming are obtained, and the optimal combination of process parameters is obtained according to the analysis results.
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