Adhesively Bonded Joint Modeling Approaches using Linear Finite Element Analysis

This paper investigates normal stress distribution of a single-lap adhesively bonded joint under tension using the three-dimensional finite element methods. Five layers of solid elements were used across the adhesive layer thickness in order to obtain an accurate indication of the variation of normal stress. All the numerical results obtained from the finite element analysis show that the spatial distribution of normal stress are similar for different interfaces though the stress values are obviously different. It can also be seen from the results that the left hand region, which is very close to the left free end of the adhesive layer, is subjected to very high stress and the magnitude of the normal stress oscillates in value close to the left end of the adhesive layer.

Download Full-text

Adhesively Bonded Joint Modeling using Finite Element Method for Failure Mode Prediction

55th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference ◽

10.2514/6.2014-1531 ◽

2014 ◽

Cited By ~ 2

Author(s):

Tom G. Stoumbos ◽

Shahriar Setoodeh ◽

Justin Francis ◽

Daniel Curtis

Keyword(s):

Finite Element Method ◽

Finite Element ◽

Failure Mode ◽

Joint Modeling ◽

Adhesively Bonded ◽

Bonded Joint ◽

Adhesively Bonded Joint ◽

Element Method

Download Full-text

A Study on Normal Stress Distribution and Failure of Adhesively Bonded Joint under Cleavage Loading

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.348-349.949 ◽

2007 ◽

Vol 348-349 ◽

pp. 949-952 ◽

Cited By ~ 1

Author(s):

Xiao Ling Zheng ◽

Ming Song Zhang ◽

Min You ◽

Hai Zhou Yu ◽

Zhi Li

Keyword(s):

Finite Element ◽

Normal Stress ◽

Pure Copper ◽

Distribution Model ◽

Strain Gauges ◽

Adhesively Bonded ◽

Element Analysis ◽

Normal Stress Distribution ◽

Bonded Joint ◽

Adhesively Bonded Joint

The normal stress distributed in the mid-bondline of the adhesively bonded joint under cleavage loading was investigated using the elastic finite element method (FEM) and the strain gauges method to reveal the real normal stresses distribution in the metal-to-metal joint while the load was increased. The results from the finite element analysis (FEA) showed that there is always a peak stress of the normal stress Sy in the mid-bondline occurred at a point close to the loading pin axis. When the load was increased from 0.5 kN to 3 kN, there was also a point located at about x = 16mm along the length of specimen where there is without any normal stress at all. The result of stress Sy from the FEA is nearly the same as that one obtained from the strain gauges method. It was also found that there was a evidently hardness change in the bonded zone of the adherend made from structural steel or pure copper, which can be used to explain the procedure of the joint and discuss the distribution model of the normal stress Sy in the joint under the cleavage loading.

Download Full-text

Nonlinear Viscoelastic Finite Element Analysis of Adhesive Joints

Tire Science and Technology ◽

10.2346/1.2148803 ◽

1988 ◽

Vol 16 (3) ◽

pp. 146-170 ◽

Cited By ~ 4

Author(s):

S. Roy ◽

J. N. Reddy

Keyword(s):

Finite Element Analysis ◽

Finite Element ◽

Viscoelastic Behavior ◽

Bonded Joints ◽

Adhesively Bonded ◽

Element Analysis ◽

Adhesively Bonded Joints ◽

Nonlinear Viscoelastic ◽

Structural Failures ◽

Updated Lagrangian

Abstract A good understanding of the process of adhesion from the mechanics viewpoint and the predictive capability for structural failures associated with adhesively bonded joints require a realistic modeling (both constitutive and kinematic) of the constituent materials. The present investigation deals with the development of an Updated Lagrangian formulation and the associated finite element analysis of adhesively bonded joints. The formulation accounts for the geometric nonlinearity of the adherends and the nonlinear viscoelastic behavior of the adhesive. Sample numerical problems are presented to show the stress and strain distributions in bonded joints.

Download Full-text