Abstract
Fuel economy has always been a key performance indicator of automobiles and an urgent issue to be addressed in environmental protection. Fuel economy is influenced by various factors such as car quality, driving resistance, transmission, engine, etc. To increase the fuel economy of automobiles, manufacturers are utilizing new materials for vehicle construction. therefore, it is necessary to investigate the most effective joinery method for constructing lightweight automobiles. In this article, the stages of joinery technology, including clinching, ultrasonic welding, riveting, bolting will be discussed. The authors have chosen to focus on the three most important aspects of these five methodologies, which are strength, bending, and fatigue. This paper will present a conclusion regarding these joining methods after discussing their properties.
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