Application of Fracture Mechanics to Adhesive Joints

Ripling, E. J.; Mostovoy, S.; Patrick, Robert L.

doi:10.1520/stp44560s

Cited by 53 publications

(30 citation statements)

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“…One approach uses a simple energy criterion for fracture, in terms of a characteristic energy for breaking apart the interface. Originally proposed by Griffith (1] for the brittle fracture of solids, an energy criterion for fracture has been sucessfully applied to the separation of two adhering solids by a number of previous authors (for example [2][3][4][5][6][7][8][9][10][11][12][13]). …”

Section: Introductionmentioning

confidence: 99%

Failure loads for model adhesive joints subjected to tension, compression or torsion

Gent

Yeoh

1982

J Mater Sci

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Section: Introductionmentioning

confidence: 99%

Failure loads for model adhesive joints subjected to tension, compression or torsion

Gent

Yeoh

1982

J Mater Sci

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“…In laboratory tests it was Ripling et al [44] who first applied fracture mechanics methodologies to structural adhesive joints. They recognised that joints in real structures contained flaws such as bubbles, un-bonded regions, or dust particles and that it was crack propagation from these defects which controlled the strength of a joint.…”

Section: Fracture Mechanics Test Specimensmentioning

confidence: 99%

Durability of Adhesive Joints

Davis¹

1966

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One of the most important requirements of an adhesive joint is the ability to retain a significant proportion of its load-bearing capability for the long periods under the wide variety of environmental conditions encountered during its service-life. There exists a need to improve the understanding of the mechanics and mechanisms associated with the durability of adhesive joints in hostile environments, such as one of the most potentially The results from these studies showed that: (a) constant displacement rate and cyclicfatigue tests provide excellent quantitative durability test methodologies; (b) fracture mechanics and advanced surface analysis of adhesive joints have proven surface pretreatments using phosphoric acid anodising (PAA) are far superior to those employing a grit blasting and degreasing (GBD) pretreatment which can be attributed to the increased surface area and excellent bonding morphology of the anodised oxide surface, allowing deep penetration of the viscous adhesive and impeding water ingress at the adhesive/substrate interface; (c) the durability performance of PAA pretreated adhesive joints employing a primer (PAAP) are superior to those without a primer specifically in water, and acid-based surface pretreatments are significantly advanced compared to simple GBD; and (d) the self assembling long carbon-chain silanes enhance the durability of adhesive joints via the formation of covalent bonds between the adhesive and the activated silane monolayer deposited on the substrate.

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“…However, the lack of a physical meaning of this characteristic distance makes it difficult to establish a predictive methodology independent of a parameter which is a function of type of loading, materials involved and joint geometry. Fracture mechanics based methods [7][8] can also be applied to evaluate joint's strength. In this case, the presence of a defect in the material is assumed.…”

Section: Introductionmentioning

confidence: 99%