Experimental study on different adherend surface roughness on the adhesive bond strength

Ghumatkar, Akshay; Sekhar, Ravi; Budhe, S.

doi:10.1016/j.matpr.2017.07.115

Cited by 18 publications

(6 citation statements)

References 10 publications

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“…The effect of different steel surface roughnesses on the adhesive bond strength by profilometry and tensile testing was studied by Ghumatkar et al [6]. Different roughnesses were created using mechanical abrasion and an optimum in average roughness was found at 1.97 μm.…”

Section: Introductionmentioning

confidence: 99%

Effect of surface roughness and chemistry on the adhesion and durability of a steel-epoxy adhesive interface

Dam

Abrahami

Yilmaz

et al. 2020

International Journal of Adhesion and Adhesives

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This work focuses on the effect of surface roughness, morphology and chemistry on the initial adhesion strength and corrosive de-adhesion properties of adhesive bonds. Steel surfaces are subjected to different surface pre-treatment methods such as mechanical abrasion, grit blasting, zirconium conversion treatment and silane treatment. Single-lap joint tests were performed to assess the initial bond strengths. Static wedge tests were used to study the loaded environmental ageing of joints and unloaded delamination of adhesive films from the steel surface was studied by means of scanning Kelvin probe (SKP). Experimental results indicate surface roughening plays an important role on the initial adhesion but a minor role in the durability of the bonded steel. The improved initial adhesion is mainly attributed to the increased interfacial bond area at higher surface roughness whereas complex morphology shows a more profound effect on both the initial adhesion and the durability of the interfacial adhesion. In the absence of complex texture, surfaces with altered chemistry by zirconium-or silane treatment exhibit a significant increase of the initial bonding strength and assessment of the interfacial delamination kinetics by SKP reveal that despite the absence of any surface topography, these surfaces prove to have higher resistance to delamination.

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Section: Introductionmentioning

confidence: 99%

Effect of surface roughness and chemistry on the adhesion and durability of a steel-epoxy adhesive interface

Dam

Abrahami

Yilmaz

et al. 2020

International Journal of Adhesion and Adhesives

View full text Add to dashboard Cite

show abstract

“…Moreover, the findings from this study is similar to the work reported on the relation between aluminum surface roughness and adhesive bond shear strength. In their study, it was argued that the highest adhesive shear strength is achieved with an aluminum surface roughness at 2.05 ± 0.19 µm, which is in close proximity to the chemically etched substrate surface roughness in this research project that yields the highest ECA shear strength 34) .…”

Section: Surfacementioning

confidence: 72%

The Effect of Chemical Surface Treatment on Mechanical Performance of Electrically Conductive Adhesives

Fadzullah¹,

Nasaruddin²,

Mustafa³

et al. 2020

Evergreen

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Adhesion strength of electrically conductive adhesive (ECA) could be enhanced through surface treatment. This paper characterizes the multiwalled carbon nanotube (MWCNT) filled ECA with varying MWCNT filler loading. Here, the focus is on the effect of chemical treatment on aluminium substrate surface treatment onto the adhesion strength of the ECA as per ASTMD 1002. The chemically etched aluminum substrate provides the largest effective bond area between ECA/substrate interface, with the highest shear strength of the ECA. More specifically, the ECA with 6 wt.% MWCNT filler loading exhibit an optimum lap shear strength, showing an adhesive-cohesive failure mode.

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“…In addition, the surface roughness of the adherend greatly affects the strength of adhesively bonded joints, but it has been reported that the most suitable surface roughness depends on the type of adherend. 25) This will be the focus of future work.…”

Section: Fatigue Test Resultsmentioning

confidence: 98%

Effect of Laser Patterning Preprocessing on Fatigue Strength of Adhesive Bonded Joints Using Thin Steel Plate

et al. 2020

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Reducing the weight of automobile bodies would help counteract environmental problems caused by greenhouse gas emissions by improving fuel efficiency. Multi-material structures have been investigated to construct an automobile body structure composed of steel in combination with lightweight metal materials and carbon-fiber-reinforced plastic. Thus, it is necessary to develop high-quality bonding techniques that can join dissimilar materials as quickly as possible. To this end, adhesive bonding has attracted attention from the viewpoint of building multi-material structures. However, from the viewpoint of durability and reliability, it is regarded as a complementary technique used to support other industrial welding methods. Moreover, to further improve the strength of adhesive bonding, the surface conditions of the adherend must be considered. In this study, to improve the interfacial strength of adhesively bonded joints, laser patterning pre-processing was applied as a surface treatment. The fatigue properties of adhesively bonded joints were evaluated and compared with those of untreated joints. It was found that the static and fatigue strengths of the joints were improved by the laser patterning pre-processing. In particular, the joint strength was improved by removing the weak boundary layer from the entire adhesion surface with laser irradiation. Therefore, the laser patterning preprocessing method proposed in this study is a very promising process for achieving adhesively bonded joints with excellent fatigue properties.

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Experimental study on different adherend surface roughness on the adhesive bond strength

Cited by 18 publications

References 10 publications

Effect of surface roughness and chemistry on the adhesion and durability of a steel-epoxy adhesive interface

Effect of surface roughness and chemistry on the adhesion and durability of a steel-epoxy adhesive interface

The Effect of Chemical Surface Treatment on Mechanical Performance of Electrically Conductive Adhesives

Effect of Laser Patterning Preprocessing on Fatigue Strength of Adhesive Bonded Joints Using Thin Steel Plate

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