Abstract
Reducing weight and improving energy efficiency are key design goals in the automotive industryIn order to reduce the weight of the car body, engineers often use plastics in the parts of the car that require less strength. However, due to the difference in material properties, when using plastics to connect steel frames, there are disadvantages such as small interface area, large number of interfaces, and poor reliability of plastics, which may have a great impact on the safety of the car. Therefore, these plastic parts Joinery to the steel frame of the car needs careful consideration. Various methods, such as welding, bolt and nut connection, riveting, and crimping, were considered to connect plastic and metal in automobiles. This article first introduces the specific implementation of the joinery method between plastic and metal, and investigates their process difficulty, interface strength, vibration resistance and the least negligible cost. Discusses where these processes are suitable for use in the car, where they are currently used, and explores potential future developments.
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