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Stress Analysis of Various Types of Riveted Lap Joint

Suyogkumar W Balbudhe, S R Zaveri, and Y L Yenarkar
Mechanical Department, Rajiv Gandhi College of Engineering, Research and Technology, Chandrapur (M.S.), India

Abstract—This project deals with the stress analysis of various arrangements of riveted lap joints (Chain riveting, zigzag riveting and diamond riveting). This work involves the appropriate configuration and characterization of these joints for maximum utilization. By using finite element method, stress analyses are carried out under both the residual stress field and external tensile loading. Using a two step simulation, riveting process and subsequent tensile loading of the lap joint are simulated to determine the residual and overall stress state. Residual stress state due to riveting is obtained by interference and clamping misfit method. By employing different interference and clamping misfit values, the effects of riveting process parameters on stress state are examined. Two cracks namely the semi elliptical surface crack at faying surfaces of plates and the quarter elliptical corner crack at rivet hole are the most widely observed crack types in riveted joints. Fracture analysis of cracked riveted joints is carried out by introducing these two crack types to the outer plate at a plane perpendicular to the loading. The finite element technique was used throughout the analysis of present work. The present work showed that riveted joints are superior in strengthening to the riveted joints. The riveted joint seems to strengthen and balance the stress and distributed uniformly. This improves the efficiency and life time of the riveted joints. Modeling is done by CATIA V5R20 and analysis of riveted lap joint done by using ANSYS (Workbench) with a version of 14.0.FEM result can be analyzed with each other.

Index Terms—Riveted lap joint, Ansys workbench V14.0, Finite element technique

Cite: Suyogkumar W Balbudhe, S R Zaveri, and Y L Yenarkar, "Stress Analysis of Various Types of Riveted Lap Joint," International Journal of Mechanical Engineering and Robotics Research, Vol. 2, No. 4, pp. 127-133, October 2013.