Strength of epoxy adhesive-bonded stainless-steel joints

Morais, A.B. de; Péreira, A.; Teixeira, Jennifer P.; Cavaleiro, N.C.

doi:10.1016/j.ijadhadh.2007.02.002

Cited by 83 publications

(51 citation statements)

References 20 publications

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“…Then the load would drop due to the damaged adhesive layer. Numerous reports proposed the peak value of load could be employed to estimate the load-bearing capacity of the adhesive joints [1,2,12,[36][37][38][39]. In the present research, the peak load F p and its influence factors are also considered as follows.…”

Section: Load-bearing Capacity and Damage Analysismentioning

confidence: 99%

“…Among them, the influences of the adhesive separation strength have been investigated by some experimental and numerical researches [36,37,39,40]. It is apparent and understandable that increasing the adhesive separation strength would enhance the load-bearing capacity substantially.…”

Section: Effect Of Adhesive Fracture Energymentioning

confidence: 99%

“…It is apparent and understandable that increasing the adhesive separation strength would enhance the load-bearing capacity substantially. Some researches have even concluded that the separation strength is more sensitive for the interface behavior than the fracture energy [37,39,40]. In other words, increasing the separation strength of adhesive would be more profound for improving interface bonding.…”

Section: Effect Of Adhesive Fracture Energymentioning

confidence: 99%

See 2 more Smart Citations

Strength and interface failure mechanism of adhesive joints

Wei

2012

International Journal of Adhesion and Adhesives

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a b s t r a c tAdhesive joints have a wide range of applications in the civil engineering, automotive and aircraft industries. In the present research, we use the finite element method to systematically study the overall strength and interface failure mechanism of single lap joints, which are subjected to tensile loading, focusing on the effects of various system parameters including fracture energy of the adhesive layer, overlap length and adhesive layer thickness on the load-bearing capability of the joints. The results show that the overlap length and the adhesive fracture energy have combined influences on the load-bearing capability. On the other hand, a preliminary damage analysis of the adhesive layer is carried out, considering the situations when the loads arrive to the peak values. Furthermore, the interface behavior is investigated, including the interface stress analysis and interface slip. The rotation of the joint during loading and its influence factors are studied as well. Obtained results suggest that the interface stress distributions are related to the slip and the rotation angle.Crown

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Section: Load-bearing Capacity and Damage Analysismentioning

confidence: 99%

Section: Effect Of Adhesive Fracture Energymentioning

confidence: 99%

Section: Effect Of Adhesive Fracture Energymentioning

confidence: 99%

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Strength and interface failure mechanism of adhesive joints

Wei

2012

International Journal of Adhesion and Adhesives

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“…The load-bearing capacity of the adhesive joints has been extensively estimated employing the ultimate loading (F u ) [8][9][10][11][32][33][34]35]. It is assumed that the loading F of DSJ is combined with the tensile loadings in the x-and y-directions F ¼ Fig.…”

Section: Load-bearing Capacitymentioning

confidence: 99%

Numerical analysis on load-bearing capacity and damage of double scarf adhesive joints subjected to combined loadings of tension and bending

Liao

Sawa

Huang

2014

International Journal of Adhesion and Adhesives

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a b s t r a c tThe load-bearing capacity and the damage level of the double scarf joint (DSJ) under combined loadings of tension and bending were investigated numerically, which takes into account the effects of scarf angle and adhesive type. A finite element method (FEM), which includes a mixed-mode cohesive zone model (CZM) with a bilinear shape, was employed to govern the interface separation behaviors. At the point corresponding to the ultimate loading, it was observed that the interface damage level of DSJ with the ductile adhesive is higher and more uniform than that of the joint with the brittle one. More than that, the numerical results illustrated that the failure of DSJ is controlled not only by the ultimate loading, but also by the applied displacement until complete failure. Therefore, the failure energy, which is defined as the integral of the loading with respect to the displacement, was adopted to estimate the joint performance. Subsequently, the numerical results showed that the failure energy of the joint with the ductile adhesive is higher than that of the joint with the brittle one. Furthermore, all the discussed characteristic parameters of a DSJ with a given adhesive, including ultimate loading, the von-Mises equivalent stress and interface damage level corresponding to the ultimate loading, and the failure energy, were inversely proportional to the scarf angle. Finally, through comparing with the existing experimental measurements, the adoptive method was validated.

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“…These tests are mostly proposed by the scientific review [13,14], but a non-uniform stress distribution inside the bonded joints is generally involved. -Experimental tests programs on bulk specimens available on condition that the behaviour of the adhesive has no dependency regarding the thickness of the samples [15].…”

Section: Introductionmentioning

confidence: 99%

Elasto-viscoplasticity Behaviour of a Structural Adhesive Under Compression Loadings at Low, Moderate and High Strain Rates

Morin¹,

Haugou

Lauro

et al. 2015

J. dynamic behavior mater.

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Crashworthiness performance of automotives by introducing new materials is of high interest based on the global mass' reduction of cars. Bonded techniques are tested at present with respect to the reduction of the mass/ energy's ratio combined with recycling processes. In this study, a compression test program is performed on a bulk structural adhesive under a very large range of strain rates, thus [0.1; 5000]/s. Uniaxial compression tests at 0.1 and 50/s are achieved using a high-speed hydraulic testing machine. A split Hopkinson bar' device made of PA66 is experimented so as to characterize soft materials in the upper domain of strain rates, thus [500; 5000]/s. A special mold is used for the preparation of the adhesive plates. Two sheets are prepared (thickness 4 mm with 1 MPa pressure and 6 mm with 4 MPa pressure) in order to consider the effect of the pressure during the curing process. Water jet technique is used to extract cylindrical samples from the plates with accurate dimensions. The identification of the compression behaviour of the structural adhesive is lead with objective to find material parameters of a modified G'sell model for finite element modeling of crashworthiness.

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Strength of epoxy adhesive-bonded stainless-steel joints

Cited by 83 publications

References 20 publications

Strength and interface failure mechanism of adhesive joints

Strength and interface failure mechanism of adhesive joints

Numerical analysis on load-bearing capacity and damage of double scarf adhesive joints subjected to combined loadings of tension and bending

Elasto-viscoplasticity Behaviour of a Structural Adhesive Under Compression Loadings at Low, Moderate and High Strain Rates

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