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Title:Fracture mechanics approach to adhesive joints
Author(s):Trantina, G. G.
Subject(s):Fracture Mechanics
Adhesive Joints
Abstract:This study investigates the problem of applying fracture mechanics to the opening mode fracture of a two-material (aluminum-epoxy-aluminum) system. The results of a finite element analysis of a two-material, single-edge-notch (SEN) plate are used with a compliance method in order to obtain strain energy rates, G, and with a displacement method to obtain stress intensity factors, K. Approximate relationships between the homogeneous system and the adhesive system for both K and G are determined. The relationship between K and G for the adhesive system is obtained. The experimental investigation provides an experimental compliance calibration for the same adhesive system and loading. Good reproducibility of the fracture toughness values obtained for the two-material system with SEN and tapered DCB specimens indicates the geometry independence of the fracture toughness. The effect of the notch root radius and proper specimen preparation are also considered.
Issue Date:1971-08
Publisher:Department of Theoretical and Applied Mechanics. College of Engineering. University of Illinois at Urbana-Champaign
Series/Report:TAM R 350
Genre:Technical Report
Sponsor:Naval Air Systems Command, Contract No. N00019-71-C-0323, 71/08
Rights Information:Copyright 1971 Board of Trustees of the University of Illinois
Date Available in IDEALS:2021-11-04

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  • Technical Reports - Theoretical and Applied Mechanics (TAM)
    TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.

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