Thermo-mechanical stress analysis of dissimilar material joints using FEM
Abstract
Abstract: This article presents numerical investigation of isotropic dissimilar material joints. Dissimilar material joints are broadly used in in various structures, including offshore, nuclear, electronic packaging, IC chip and spacecraft various fields of science and technology. In bi-material joints two different material are bonded with common interface region. High stress concentration occur at the interface of the joint under thermo-mechanical loadings due to the difference in the elastic properties and the thermal expansion coefficients of dissimilar materials. The stresses acting along the interface of dissimilar material joints are very important to determine whether the structure is reliable or not for operation. The main purpose of this research is to provide finite element solutions to predict the stress distribution at the interface of the joint based on the theory of elasticity.
Keywords: Numerical Investigation, Dissimilar material joints, Stress concentration, Stress distributions, Theory of elasticity.
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Author Biography
Somnath Somadder received his B.Sc. degree in Mechanical engineering (with honors) from Khulna University of Engineering & Technology in 2018 (specialization: Computational Solid Mechanics). Currently he is working as a Lecturer in Department of Mechanical Engineering, Khulna University of Engineering & Technology and doing his M.Sc degree in same department. This manuscript is made from his research activities as a lecturer during last two years. He has published 2 scientific papers international journals, and conference proceedings .His scientific interest are focused on Analysis of stress singularity fields in 3D transversely isotropic piezoelectric and elastic bonded joints by finite element method.
Copyright (c) 2020 Somnath Somadder
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