Functionally Graded Adhesive Joints Bonded by Honeymoon Adhesion Using Two Types of Second Generation Acrylic Adhesives of Two Components

Kawasaki, Shinichi; Nakajima, Gosuke; Haraga, Kosuke; Sato, Chiaki

doi:10.1080/00218464.2015.1113525

Cited by 34 publications

(20 citation statements)

References 16 publications

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“…The interest in FGAs has increased in recent years [9][10]. FGA joints involve a continuous variation of the adhesive properties along the overlap allowing for the homogenization of the stress distribution and load transfer.…”

Section: Nomenclature and Unitsmentioning

confidence: 99%

“…The development of dedicated stress analyses to predict the stress distribution is then of the highest interest to tailor the strength of such joints. The Finite Element (FE) method is able to address the stress analysis of FGA joints [9,11]. However, FE analyses are computationally costly, so that simplified stress analyses would be useful to allow for extensive parametrical studies, optimization processes and fast decision-making at the pre-sizing stage.…”

Section: Nomenclature and Unitsmentioning

confidence: 99%

See 1 more Smart Citation

A comparison between macro-element and finite element solutions for the stress analysis of functionally graded single-lap joints

Paroissien

Lachaud

Silva

et al. 2019

Composite Structures

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comparison between macro-element and finite element solutions for the stress analysis of functionally graded single-lap joints. (2019) Composite Structures, 215.Abstract -The interest in functionally graded adhesive (FGA) joints has been increasing in recent years. For example, FGAs offer the opportunity to optimize the strength of multimaterial bonded joints by locally tailoring the adhesive properties and without modifying the design of the adherends to be joined. The development of dedicated stress analyses to predict the stress distribution is then of the highest interest to control the strength of such joints. The Finite Element (FE) method is able to address the stress analysis of FGA joints but is computationally costly. Simplified stress analyses have then been developed. The objective of this paper is to assess the prediction of simplified stress analyses, solved through the macroelement (ME) technique, with respect to those of FE models. It is shown that the predictions of ME models are in a sufficient agreement with the FE models to be employed at a pre-sizing stage. The influence of the overlap length is then investigated by the means of the simplified 2 stress analyses. A noticeable result is the existence of an overlap length for which the adhesive peak shear stress is minimal, in the 1D-bar kinematics framework.

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Section: Nomenclature and Unitsmentioning

confidence: 99%

Section: Nomenclature and Unitsmentioning

confidence: 99%

A comparison between macro-element and finite element solutions for the stress analysis of functionally graded single-lap joints

Paroissien

Lachaud

Silva

et al. 2019

Composite Structures

View full text Add to dashboard Cite

show abstract

“…The method provides significant opportunity for controlling gradation of property which is excellent for optimisation tuning purposes. Kawasaki et al [58] proposed a simpler way of achieving FGA layer by using two part stiff and compliant adhesive materials. They used a multiaxis (SHOTMASTER DS SM200DSZ, Musashi Engineering Co. Ltd, Japan) robot to dispense the adhesives on the adherends.…”

Section: Manufacturing and Experimental Testingmentioning

confidence: 99%

Functionally graded adhesive joints – A review and prospects

Durodola

2017

International Journal of Adhesion and Adhesives

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There is increasing demand for effective and efficient lightweight structures because of global environmental and resource sustainability concerns. Adhesive bonding has been adopted in many assembly arrangements because of its relative reduction of stress concentration in joints compared to mechanical fasteners. Functionally graded bonded joints presents even greater potentials for reduction of stress concentrations and the tailoring of stress distribution as may be desired in an adhesive layer. This capability provides opportunity for the design of high performance tailored structural assemblies. Although some encouraging analysis and experimental work have been carried out on the development of functionally graded joints, its wide application is still to be realised. This paper reviews the work that has been carried out so far on the method, in terms of analysis, fabrication, experimental testing and application. It also reflects on outstanding issues that need to be resolved in order for wider application to be feasible.

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“…In a previous work, we proposed a manufacturing method using two types of second-generation acrylic adhesives (SGAs) of two components 7) . SGA can be cured at a wide range of mixing ratios.…”

Section: Introductionmentioning

confidence: 99%

Digital Image Correlation Measuring of Strain and Stress Distributionon Mixed Adhesive Joints Bonded by Honeymoon Adhesion Using TwoTypes of Second-Generation Acrylic Adhesives of Two Components

Kawasaki

Sekiguchi

Nakajima

et al. 2017

Journal of the Adhesion Society of Japan

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For stress relief in the adhesive layer, various methods have been proposed, including the use of scarf joints. However, these techniques are highly dependent on the adherend thickness and are thus of limited use. The stress concentration of the joints can be relaxed by using mixed adhesive joints (MAJs), which employ a brittle adhesive in the middle portion of the overlap and a ductile adhesive at the bondline ends. In a previous paper, we proposed a manufacturing method of adhesive joints that have a variable modulus adhesive layer. When using the proposed method, adhesive flow has a significant effect on the adhesive layer property distribution. Considering adhesive flow using finite element analysis or numerical analysis is difficult. Therefore, an experimental evaluation is necessary to elucidate the actual behaviors of these joint types.The principal aim of this study was to investigate the relationship between applied patterns of brittle and flexible adhesives and the stress distributions of those adhesive layers. Accordingly, stress distributions of single lap joints were evaluated by a tensile test using a digital image correlation (DIC) method. Based on the DIC results, MAJs contributed to the relaxation of the adhesive layer stress concentration. According to the results of the adherend strain distribution, the longer was the soft type of adhesive, the wider was the stress concentration area.

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Functionally Graded Adhesive Joints Bonded by Honeymoon Adhesion Using Two Types of Second Generation Acrylic Adhesives of Two Components

Cited by 34 publications

References 16 publications

A comparison between macro-element and finite element solutions for the stress analysis of functionally graded single-lap joints

A comparison between macro-element and finite element solutions for the stress analysis of functionally graded single-lap joints

Functionally graded adhesive joints – A review and prospects

Digital Image Correlation Measuring of Strain and Stress Distributionon Mixed Adhesive Joints Bonded by Honeymoon Adhesion Using TwoTypes of Second-Generation Acrylic Adhesives of Two Components

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