The Nature and Magnitude of Stresses in Adhesive Joints

Adams, Robert D.; Wake, W. C.

doi:10.1007/978-94-009-5616-2_2

Cited by 26 publications

(31 citation statements)

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“…Their main results have been summarised by Adams and Wake [3]. Their work has been set to study two main aspects of bonded joints which could not be dealt with continuum mechanics: joints end effects (which includes spew fillets and adherend tapering) and material non-linearity of both adhesive and adherends.…”

Section: Introductionmentioning

confidence: 99%

“…The viability of the finite-element method (FEM) for the design and analysis of such joints has been shown by several researchers [1][2][3]. Most of the proposed plane stress models for adhesively bonded joints have traditionally relied on effective lamina properties for the composite adherends because one of the primary goals was the study of adhesive stresses and failure criteria [4].…”

Section: Introductionmentioning

confidence: 99%

“…The use of the technique was greatly investigated by Adams and Wake [24] after the pioneering work of Wooley and Carver [25] who first applied the FEM to study single-lap joints. Their main results have been summarised by Adams and Wake [3].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

An improved 2D model for bonded composite joints

Odi

Friend

2004

International Journal of Adhesion and Adhesives

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

An improved 2D model for bonded composite joints

Odi

Friend

2004

International Journal of Adhesion and Adhesives

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“…Amongst them, except for the joint geometry and the adhesive type, one can mention the mechanical properties of the adherends/adhesive, the overlap length, the thicknesses of the adherends/adhesive, the adherends’ surface roughness in the overlap area, etc. Testing and modelling of SLJs under tension has been extensively examined and presented in the literature [ 19 , 20 , 21 ]. Based on the pioneering works of Volkersen [ 22 ] and Goland and Reissner [ 23 ] as well as the Hart Smith modified model [ 24 ], the effect of different factors such as adherends properties [ 25 ], stress fields developed [ 26 ], plasticity effects [ 27 ] and adhesive fillet [ 28 ], affecting the SLJs behavior, have also been studied and presented.…”

Section: Introductionmentioning

confidence: 99%

Application of an Eco-Friendly Adhesive and Electrochemical Nanostructuring for Joining of Aluminum A1050 Plates

et al. 2023

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In adhesive joints used in several industrial applications, the adherends’ bonding is made using an adhesive, which is usually an epoxy resin. However, since these adhesives are derived from petroleum fractions, they are harmful to the environment, due to the pollutants produced both during their manufacture and subsequent use. Thus, in recent years, effective steps have been made to replace these adhesives with ecological (green) ones. The present work focuses on the study of aluminum A1050 joints bonded with a green adhesive; the study also involves the electrochemical anodization method applied to adherends for nano-functionalization. The nanostructured aluminum adherends allow the formation of an expanded surface area for adhesion, compared to the non-anodized adherends. For comparison reasons, two different adhesives (Araldite LY1564 and Green Super Sap) were used. In addition, for the same reasons, both anodized and non-anodized aluminum adherends were joined with both types of adhesives. The lap joints were subsequently tested under both shear-tension and three-point bending conditions. The major findings were that aluminum A1050 anodization in all cases resulted in shear strength enhancement of the joints, while joints with both aluminum anodized and non-anodized adherends and bonded with the eco-friendly adhesive showed a superior shear behavior as compared to the respective joints bonded with Araldite adhesive.

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“…They possess high mechanical strength under axial loading conditions because of uniform load transfer to the parent structure. However, their reliability is severely affected by high and complex stress fields at geometric discontinuities resulting in failure due to de-bond (Adams et al ., 1997). The local high-stresses at the overlap ends result in adhesive failure at the interface between the adhesive and adherent plate (Figure 1a) or cohesive failure due to complete failure of the adhesive layer (Figure 1b).…”

Section: Introductionmentioning

confidence: 99%

Effect of adhesive de-bond and crack in adherent plate on single lap joint with bi-adhesive

Chikmath

Ramanath

Imtiaz

et al. 2023

IJSI

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PurposeThis paper aims to study the benefits of use of bi-adhesive (combination of two different adhesives) over conventional single adhesive in bonded lap joints. Characterise damage severity due to cohesive and adherent failure as feedback for operating load levels that assist in developing damage tolerance design of the adhesively bonded joints.Design/methodology/approachSingle lap joint where the adherent plate is made up of aluminium alloy joined together with bi-adhesives is analysed. The nature of adhesives ranges from brittle, elastic-plastic, moderately ductile to largely ductile. Numerical analysis is performed considering the material and geometric non-linear behaviour of the joint. The optimum bond ratio of bi-adhesives and the effect of the location of adhesive on the stress distribution are studied. The cohesive zone modelling (CZM) is adopted to account for the cohesive failure of the joint. The adherent plate failure is also addressed by modelling and studying the behaviour of the crack at different locations in the plate using modified virtual crack closure integral (MVCCI).FindingsThe results obtained from the stress analysis show some important characteristic behaviour of the bi-adhesive joint. Although bi-adhesive is expected to result in improved joint strength, the purpose gets defeated if a brittle adhesive is used at the corners and ductile adhesive at the middle. The joint strength based on CZM, evaluated for a single adhesive, is in good comparison with the experimental results from the literature. Also, the location of the crack in the adherent plate plays a significant role in the failure of the joint.Originality/valueEstimating joint strength for the bi-adhesive model using CZM and evaluating damage severity in the presence of de-bond and crack in the bi-adhesive lap joint model assists in developing robust damage tolerance design models of such joints.

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The Nature and Magnitude of Stresses in Adhesive Joints

Cited by 26 publications

References 0 publications

An improved 2D model for bonded composite joints

An improved 2D model for bonded composite joints

Application of an Eco-Friendly Adhesive and Electrochemical Nanostructuring for Joining of Aluminum A1050 Plates

Effect of adhesive de-bond and crack in adherent plate on single lap joint with bi-adhesive

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