Effect of Adhesive Layer Thickness on the Shear Strength of Adhesively Bonded Steel Joints in Wet Environment

Sugiman, Sugiman; Akbar, Ilham; Sulistyowati, Emmy Dyah; Setyawan, Paryanto Dwi

doi:10.4028/www.scientific.net/amm.836.78

Cited by 3 publications

(3 citation statements)

References 16 publications

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“…Similar trends also appear on the adhesive joint under impact loading [13]. Moreover, thicker adhesive layer absorbs more water or moisture that reduce the joint strength [14]. Previous studies suggest using adhesive layer thickness of less than 0.7 millimeter to obtain maximum joint strength.…”

Section: Introductionsupporting

confidence: 57%

Non-Monotonous Effect of Adhesive Thickness on The Dynamic Stiffness of Adhesive Butt Joint

Yohanes

Pramono

Hudayya

2020

KEM

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This research investigated the effect of the thickness of adhesive to the stiffness (Young’s modulus) of adhesive butt joint at high strain rate loading. A split Hopkinson pressure bar (SHPB) test is used to obtain the stress-strain response of join specimen at strain rate of 530±10 s-1. The joint is composed of aluminum adherend bonded by epoxy adhesive with 0.5, 1, 2, and 3 millimeter of thickness variation. The results show that the joint deformed elastically and the stiffness increases with the increase of adhesive thickness. However, the rate at which the stiffness increases with thickness decreases at thick adhesive layer. The facts of this research are important for the improvement of the crashworthiness of structure such as automobile structures.

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Section: Introductionsupporting

confidence: 57%

Non-Monotonous Effect of Adhesive Thickness on The Dynamic Stiffness of Adhesive Butt Joint

Yohanes

Pramono

Hudayya

2020

KEM

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“…When the adhesive layer was thicker, the failure load values decreased. However, there are cases in which an increase in thickness leads to better strength [57,[74][75][76]. In the works of Sugiman et al [57] and Sugiman et al [76], an increase in the shear strength of the SLJ was noted with greater thickness of the adhesive layer.…”

Section: Geometric Factors Related To the Adherend And The Adhesivementioning

confidence: 98%

“…However, there are cases in which an increase in thickness leads to better strength [57,[74][75][76]. In the works of Sugiman et al [57] and Sugiman et al [76], an increase in the shear strength of the SLJ was noted with greater thickness of the adhesive layer. The authors pointed out that a reduction in the shear strength is generally expected with increasing the adhesive thickness, since the bond is more likely to contain defects.…”

Section: Geometric Factors Related To the Adherend And The Adhesivementioning

confidence: 98%

A review of the relationship between design factors and environmental agents regarding adhesive bonded joints

Gualberto

Amorim

Costa

2021

J Braz. Soc. Mech. Sci. Eng.

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Fiber-reinforced polymers (FRPs) combine characteristics of polymers and fibers to obtain a material with high mechanical strength and stiffness together with low specific mass and good corrosion resistance. The use of FRPs is growing as an alternative to metals in the automotive, aerospace and civil construction industries. Since adhesive bonded joints are an excellent way of joining materials due to the better load distribution, the use of FRPs for this purpose has been the objective of many studies about durability and structural safety. In service, environmental factors, including temperature, humidity, UV exposure and salt spray, can degrade materials, leading to unexpected failures. Since joints in service are subject to these multiple and uncontrolled adverse conditions, FRP adhesive bonded joint degradation has been studied by experiments that simulate these adverse environmental conditions. The combined analysis of the effect of environmental factors on the joint and the materials of each component allows predicting the system performance. In addition, optimal design parameters, such as the thickness of the adhesive, overlap length, materials and manufacturing processes, may be different according to the target application of the joint. Therefore, the achievement of optimal design parameters depends on the understanding of joint behavior in service. Based on analysis of the contribution of researchers in the specialized literature on adhesive joints and FRPs, this article reviews the main findings on degradation of adhesive joints and their components. Research topics for optimization of adhesive joint systems are also discussed.

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Effect of adhesive thickness on the strength of steel-composite joints aged in wet environment

Sugiman

Salman

Setyawan

et al. 2019

IOP Conf. Ser.: Mater. Sci. Eng.

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This paper presents the effect of adhesive layer thickness on the static strength of adhesively bonded steel-glass fiber-reinforced unsaturated polyester resin (GFRP) lap joints after being aged in water at a temperature of 60°C for 15 days. The adhesive thickness was varied from 0.1 mm to 0.5 mm. It was found that for the dry joints, the static strength increased with the increase of adhesive thickness. However, in wet condition, water really had a significant detrimental effect on the strength of the joints, as most of the strengths of wet joints were much lower than those of the dry joints. In dry condition, mode of failure changed from interfacial (at the adhesive thickness of 0.1 mm) to mix failure; however, for the wet joints; most of failures were at the interface of adhesive/steel.

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Effect of Adhesive Layer Thickness on the Shear Strength of Adhesively Bonded Steel Joints in Wet Environment

Cited by 3 publications

References 16 publications

Non-Monotonous Effect of Adhesive Thickness on The Dynamic Stiffness of Adhesive Butt Joint

Non-Monotonous Effect of Adhesive Thickness on The Dynamic Stiffness of Adhesive Butt Joint

A review of the relationship between design factors and environmental agents regarding adhesive bonded joints

Effect of adhesive thickness on the strength of steel-composite joints aged in wet environment

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