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The problem of a failure criterion for glass-metal adhesive bonds

Dieter Callewaert (UGent) , Arno Van Hulle (UGent) , Jan Belis (UGent) , Freek Bos (UGent) , Jonas Dispersyn (UGent) and Bas Out
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Abstract
Although there is an increasing desire to apply structural adhesive bonds in glass constructions, the lack of a reliable failure criterion is a major obstacle. Since the average overlap shear strength values normally provided cannot be applied as a general limit for arbitrary adhesive bond geometries, extensive testing has to be performed on any new design to ensure its structural performance and safety. Not only the building industry, also maritime, aeronautical and car industries are struggling with this issue. To supply a contribution, this paper provides a numerical analysis of the stress distributions in an adhesive layer during a single lap shear test as was performed at Ghent University. Firstly, an appropriate mesh and element type was chosen after which the influence of different geometries on the peak shear stress was investigated. Additionally, simulations with different stiffness levels for the adhesive were performed. From the numerical analysis, it could be concluded that the impact of the thickness is most important. The study is part of an extensive, two-year research project into structural glass-metal adhesive bonds, run by Ghent University in cooperation with the Adhesion Institute of the TU Delft.
Keywords
Adhesive, Failure criterion, Lap shear, Linear elastic, FE Analysis

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Please use this url to cite or link to this publication:

Chicago
Callewaert, Dieter, Arno Van Hulle, Jan Belis, Freek Bos, Jonas Dispersyn, and Bas Out. 2011. “The Problem of a Failure Criterion for Glass-metal Adhesive Bonds.” In Glass Performance Days Proceedings, 654–657. Tampere, Finland: Glass Performance Days.
APA
Callewaert, D., Van Hulle, A., Belis, J., Bos, F., Dispersyn, J., & Out, B. (2011). The problem of a failure criterion for glass-metal adhesive bonds. Glass Performance Days Proceedings (pp. 654–657). Presented at the 12th International Conference on Architectural and Automotive Glass (Glass Performance Days 2011), Tampere, Finland: Glass Performance Days.
Vancouver
1.
Callewaert D, Van Hulle A, Belis J, Bos F, Dispersyn J, Out B. The problem of a failure criterion for glass-metal adhesive bonds. Glass Performance Days Proceedings. Tampere, Finland: Glass Performance Days; 2011. p. 654–7.
MLA
Callewaert, Dieter, Arno Van Hulle, Jan Belis, et al. “The Problem of a Failure Criterion for Glass-metal Adhesive Bonds.” Glass Performance Days Proceedings. Tampere, Finland: Glass Performance Days, 2011. 654–657. Print.
@inproceedings{1844966,
  abstract     = {Although there is an increasing desire to apply structural adhesive bonds in glass constructions, the lack of a reliable failure criterion is a major obstacle. Since the average overlap shear strength values normally provided cannot be applied as a general limit for arbitrary adhesive bond geometries, extensive testing has to be performed on any new design to ensure its structural performance and safety. Not only the building industry, also maritime, aeronautical and car industries are struggling with this issue. To supply a contribution, this paper provides a numerical analysis of the stress distributions in an adhesive layer during a single lap shear test as was performed at Ghent University. Firstly, an appropriate mesh and element type was chosen after which the influence of different geometries on the peak shear stress was investigated. Additionally, simulations with different stiffness levels for the adhesive were performed. From the numerical analysis, it could be concluded that the impact of the thickness is most important. The study is part of an extensive, two-year research project into structural glass-metal adhesive bonds, run by Ghent University in cooperation with the Adhesion Institute of the TU Delft.},
  author       = {Callewaert, Dieter and Van Hulle, Arno and Belis, Jan and Bos, Freek and Dispersyn, Jonas and Out, Bas},
  booktitle    = {Glass Performance Days Proceedings},
  isbn         = {9789525836028},
  keywords     = {Adhesive,Failure criterion,Lap shear,Linear elastic,FE Analysis},
  language     = {eng},
  location     = {Tampere, Finland},
  pages        = {654--657},
  publisher    = {Glass Performance Days},
  title        = {The problem of a failure criterion for glass-metal adhesive bonds},
  year         = {2011},
}