Paper Title:
The Effects of Materials Properties & Angle Junction on Stress Concentration at Interface of Dissimilar Materials
  Abstract

In dissimilar material joints, failure often occurs along the interface between two materials due to stress singularity. Stress distribution and its concentration depend on materials and geometry of the junction as the stress concentration depends on grain orientation and its stiffness matrix of neighboring grains in micro-scale. Inhomogenity of stress distribution at the interface of junction of two materials with different elastic modules and stress concentration in this zone are the main factors resulting in rupture of the junction. Effect of materials properties, thickness, and joining angle at the interface of aluminum-polycarbonate will be discussed in this paper. Computer simulation and finite element analysis by ABAQUS showed that convex interfacial joint leads to stress reduction at junction corners in compare with straight joint. This finding is confirmed by photoelastic experimental results.

  Info
Periodical
Advanced Materials Research (Volumes 383-390)
Chapter
Chapter 3: Surface, Subsurface, and Interface Phenomena
Edited by
Wu Fan
Pages
887-892
DOI
10.4028/www.scientific.net/AMR.383-390.887
Citation
A. F. Arezoodar, A. Baladi, "The Effects of Materials Properties & Angle Junction on Stress Concentration at Interface of Dissimilar Materials", Advanced Materials Research, Vols. 383-390, pp. 887-892, 2012
Online since
November 2011
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Price
$32.00
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