Ultrasonic welding of hybrid metal-plastic components with flame spraying of adhesion layer
Hybrid components of different materials increasingly gain in importance, especially in automotive engineering (reduction of fuel consumption, meeting of environmental protection targets). Here hybrid components made of plastic and metal materials are used. The combination of the positive features of both material groups results in a component providing high stiffness at a low weight. A joining process used for its implementation is ultrasonic welding. Subject of this research paper is the identification of process control factors influencing the welding seam quality. A pretreatment method is used, where a flame-sprayed bond coat is applied onto the metal substrate. This work is part of the Cluster of Excellence "Integrative Production Technology for High-Wage Countries" of RWTH Aachen University.
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