Understanding fracture mode-mixity and its effects on bond performance

Bamber Blackman, Fengzhen Sun, Sofia Teixeira de Freitas, Silvio de Barros, Marcio Moreira Arouche, Alojz Ivankovic

Research output: Chapter in Book/Conference proceedings/Edited volumeChapterScientificpeer-review

1 Citation (Scopus)
41 Downloads (Pure)


This chapter discusses the mixed-mode loading of adhesive joints. The importance of mixed-mode loading is first introduced and then test methods commonly used to measure the mixed-mode fracture resistance of adhesive joints are presented and briefly discussed. The approaches to determine the fracture resistance are briefly reviewed and then the partitioning of mixed-mode fracture energies is discussed. The limitations of the local singular field and global approaches to mixed-mode partitioning are discussed and the use and application of a semianalytical cohesive zone analysis partitioning scheme is evaluated. The limitations of the global partitioning approach are further discussed in the context of developing a scheme to design and analyze adhesive joints with dissimilar adherends (a bi-material interface). A longitudinal strain criterion is proposed in addition to the matching of flexural rigidities and the approach is validated numerically. Finally, the practical issues of crack stability, failure path selection, and the use of mixed-mode failure envelopes is considered.

Original languageEnglish
Title of host publicationAdvances in Structural Adhesive Bonding, Second Edition
Number of pages35
ISBN (Electronic)9780323912143
ISBN (Print)9780323984379
Publication statusPublished - 2023

Bibliographical note

Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care
Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.


  • Adhesive joint
  • Bi-material interface
  • Cohesive zone model
  • Global approach
  • Local approach
  • Mode-mixity
  • Partitioning


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