Design And Analysis of Joining Process

Mechanical Engineering

The increased application of lightweight materials, such as aluminium has initiated many investigations into new joining techniques for aluminium alloys. The Resistance Spot Welding (RSW) concept for aluminium has always attracted many researchers from different organizations. Self- piercing riveting (SPR) is the major production process used to join aluminium sheet body structures for the automotive industry. Self-piercing riveting (SPR) is a cold mechanical joining process used to join two or more sheets of materials by driving a rivet piercing through the top sheet or the top and middle sheets and subsequently lock into the bottom sheet under the guidance of a suitable die. Here gives an in depth comparison of the mechanical behavior for each joint type under different loading conditions. It covers symmetrical and asymmetrical assembly from thin gauge of 1.0mm to thick gauge of 3.0mm., and the performance of SPR joints improves as the thickness increases. Developing reliable simulation methods for SPR process and joint performance to reduce the need of physical testing has been identified as one of the main challenges.

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