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    STUDIA CHEMIA - Issue no. 2 / 2006  
         
  Article:   THE INFLUENCE OF ADHESIVE ON COMPOSITE MATERIALS BONDED JOINTS ASSEMBLIES.

Authors:  O. NEMEŞ, F. LACHAUD, A. MOJTABI, V. SOPORAN, O. TĂTARU.
 
       
         
  Abstract:  The paper presents a theoretical calculation model of plane assemblies joined with adhesive, based on an energy method. After the determination of the cinematically acceptable field of stresses, according to the applied load, a variational calculus on the expression of elastic potential energy leads to the complete expression of the stress field in the whole assembly. A first parametric analysis (geometrical and physical parameters) is carried out on a double-lap plane assembly and makes it possible to deduce the optimal length and thickness of the adhesive. For the assembly, the total force-displacement behavior is well defined. Thus the analytical model makes it possible to determine the rigidity of the assembly and to obtain a simple formulation very rapidly which gives the total behavior of the assembly.  
         
     
         
         
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