Finite-Element Analysis of Adhesive Joints

  • J. N. Reddy
  • S. Roy


Adhesive bonding is increasingly used to fasten metallic to metallic or metallic to composite structural components together. This is because in many present-day applications, conventional fasteners such as bolts, rivets, welds, etc., are unsuitable, especially if the components are made of polymeric or composite materials. The sonar transducer adhesively bonded acoustical window, the likely necessity of the repair of the composite structural components of carrier-based aircraft, and door inner assembly to outer panel, main body frame joints, trunk lid inner to outer and sealants in an automobile provide examples of such applications. Penetration methods (i.e., drilling holes, etc.) cause high stress concentrations and, in the case of composites, sever the fiber reinforcement which in turn reduces the strength of the joint. On the other hand, bonded joints tend to be damage-tolerant due to the high damping behavior of the adhesive layer and less expensive due to lower fabrication cost. The use of adhesives increases the joint strength, distributes the loads more evenly, and enables alternative jointing methods to be reduced or eliminated. Dissimilar materials (e.g., steel, aluminum, plastics, glass, etc.) can be joined together by bonding even where it is impossible to gain access to either side of the joint, thereby increasing the design flexibility.


Adhesive Layer Adhesive Joint Moisture Diffusion Creep Recovery Viscoelastic Analysis 
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Copyright information

© Springer Science+Business Media New York 1991

Authors and Affiliations

  • J. N. Reddy
    • 1
  • S. Roy
    • 2
  1. 1.The Center for Adhesive and Sealant Science and Department of Engineering Science and MechanicsVirginia Polytechnic Institute and State UniversityBlacksburgUSA
  2. 2.Engineering Materials DivisionSouthwest Research InstituteSan AntonioUSA

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