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M.Tech / M.E / PhD Thesis | Mechanical Engineering | India | Volume 3 Issue 11, November 2014

FEA of Double Shear Lug Joint by Varying Material Combinations

B. Vijaya Kumar | F. Anand Raju

Abstract: lug joint arrangement are mostly used in aeronautical and mechanical structures. Lug joints are generally used to connect major structure components for transfer of loads and they often subjected to repeated load spectra. Lug and thin joints have been designed based on theoretical strength of materials models. . In this study, geometry was determined and analysed using theoretical Strength of material calculations. The ultimate loads and allowable stresses by using different materials (Inconel718, Waspaloy, Stellite6, 2024T351 plate, 7075T651 plate, Mg Bronze, 4130 steel) in the current lug joint geometry are caliculated by strength of material caliculations. From calculations we determined the allowable limiting loads for those different materials in the double shear lug joint. The von misses stresses are induced for different material combinations of lug joiunt is obtained in FEA software by applying the allowable loads of those material combinations from the design procedure. The induced von misses stress from FEA is less than the ultimate stresses of respective materials. It is suggested the highest allowable limiting load of a double shear lug joint by using different materials in the geometry under allowable stresses.

Keywords: Lug joint, limiting load, Inconel718, Waspaloy, Stellite6, 2024T351 plate, 7075T651 plate, Mg Bronze, 4130 steel

Edition: Volume 3 Issue 11, November 2014,

Pages: 698 - 702

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