An experimental and analytical study of the mechanical behaviour of adhesively bonded joints for variable extension rates and temperatures

Deb, Anindya; Malvade, Indrajit; Biswas, P.; Schroeder, J.A.

doi:10.1016/j.ijadhadh.2007.02.004

Cited by 67 publications

(22 citation statements)

References 27 publications

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“…Studies that present experimental results of adhesive joints with structural adhesives (especially epoxies) as a function of temperature generally show a decrease in strength with increasing and decreasing temperatures [9][10][11][12][13][14][15]. At high temperatures the cause is the lower adhesive strength, while at low temperatures the high thermal stresses and the brittleness of the adhesive are the origin of such behaviour.…”

Section: Introductionmentioning

confidence: 99%

Effect of temperature on the shear strength of aluminium single lap bonded joints for high temperature applications

Banea

Silva

Campilho³

2012

Journal of Adhesion Science and Technology

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An experimental and numerical investigation into the shear strength behaviour of adhesive single lap joints (SLJs) was carried out in order to understand the effect of temperature on the joint strength. The adherend material used for the experimental tests was an aluminium alloy in the form of thin sheets, and the adhesive used was a high-strength high temperature epoxy. Tensile tests as a function of temperature were performed and numerical predictions based on the use of a bilinear cohesive damage model were obtained. It is shown that at temperatures below T g , the lap shear strength of SLJs increased, while at temperatures above T g , a drastic drop in the lap shear strength was observed. Comparison between the experimental and numerical maximum loads representing the strength of the joints shows a reasonably good agreement.

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Section: Introductionmentioning

confidence: 99%

Effect of temperature on the shear strength of aluminium single lap bonded joints for high temperature applications

Banea

Silva

Campilho³

2012

Journal of Adhesion Science and Technology

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“…Studies that present experimental results on adhesive joints with structural adhesives (especially epoxies) as a function of temperature generally show a decrease in strength with both increasing and decreasing temperatures [3,[8][9][10][11]. At high temperatures the cause is the lower adhesive strength while at low temperatures the high thermal stresses and the brittleness of the adhesive are the origin of such behaviour.…”

Section: Introductionmentioning

confidence: 99%

Effects of Temperature and Loading Rate on the Mechanical Properties of a High Temperature Epoxy Adhesive

Banea

Sousa

Silva

et al. 2011

Journal of Adhesion Science and Technology

119

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The variation of the mechanical properties of adhesives with temperature and strain rate is one of the most important factors to consider when designing a bonded joint due to the polymeric nature of adhesives. It is well known that adhesive strength generally shows temperature dependence. Moreover, in many structural applications, the applied loads can be dynamic and the design of the joint requires the knowledge of the high loading rate mechanical behaviour of the adhesive.In this study, the combined effect of the temperature and test speed on the tensile properties of a high temperature epoxy adhesive was investigated. Tensile tests were performed at three different test speeds and various temperatures (room temperature (RT) and high temperatures (100, 125 and 150 • C)). The glass transition temperature (T g ) of the epoxy adhesive investigated is approximately 155 • C. The ultimate tensile stress decreased linearly with temperature (T ) while increased logarithmically with the loading rate, which is in the accord with the Airing's molecular activation model.

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“…Some studies available in the literature show that the mechanical properties of the adhesive are non-linear [21] and that they generally depend on temperature [7,8,22], but these phenomena could certainly be taken into account stepwise in the solution proposed below, by discretizing the temperature range and by assuming that the mechanical properties remain constant during each step.…”

Section: Statement Of the Problemmentioning

confidence: 99%

A closed-form solution for the thermal stress distribution in rectangular metal/composite bonded joints

Deheeger

Mathias

Grédiac

2009

International Journal of Adhesion and Adhesives

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An experimental and analytical study of the mechanical behaviour of adhesively bonded joints for variable extension rates and temperatures

Cited by 67 publications

References 27 publications

Effect of temperature on the shear strength of aluminium single lap bonded joints for high temperature applications

Effect of temperature on the shear strength of aluminium single lap bonded joints for high temperature applications

Effects of Temperature and Loading Rate on the Mechanical Properties of a High Temperature Epoxy Adhesive

A closed-form solution for the thermal stress distribution in rectangular metal/composite bonded joints

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