A simple surface treatment and characterization of AA 6061 aluminum alloy surface for adhesive bonding applications

Noormohammed, Saleema; Sarkar, Dilip; Paynter, R.W.; Gallant, Danick; Eskandarian, Masoomeh

doi:10.1016/j.apsusc.2012.08.091

Cited by 136 publications

(61 citation statements)

References 29 publications

(30 reference statements)

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“…Both the adherend joints showed an increase in shear strength with an increase in surface roughness and then decrement in strength. These results are in agreement with previous research (Tezcan et al,2003;Pereira et al, 2012;Saleema et al, 2012).…”

Section: Effect Of Surface Roughness On Shear Strengthsupporting

confidence: 83%

Influence of Adherend Surface Roughness on the Adhesive Bond Strength

Ghumatkar

Budhe

Sekhar

et al. 2016

Lat. Am. j. solids struct.

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Surface treatment of the adherends prior to adhesive bonding plays an important role in the enhancing of strength and durability of bonded joints. In this work, an investigation on effect of adherend surface roughness on adhesive bond strength was performed. Single strap joints with different adherends (mild steel and aluminium) bonded with an epoxy resin (Araldite® 2015) were tested. The adherend surface was treated by mechanical abrasion process using an emery paper. Contact angle measurement and SEM analysis to understand the wettability and the failure mechanism of the joints were performed. It was found that an optimum surface roughness exists for a maximum bonding strength and the roughness range depends on the adherend material. The joint strength changes are associated not only simply by the increased bonding area, surface texture or mechanical interlocking, but also by the chemical characteristics of the surface and the chemical bond between them.

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Section: Effect Of Surface Roughness On Shear Strengthsupporting

confidence: 83%

Influence of Adherend Surface Roughness on the Adhesive Bond Strength

Ghumatkar

Budhe

Sekhar

et al. 2016

Lat. Am. j. solids struct.

View full text Add to dashboard Cite

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“…This plane permits to analyse the main factor, the two and three-factor interactions without any confounding. On the basis of background experience on other materials and various references [7][8][9][10][11][12][13][14][19][20][21], the following control factors were adopted: the gas (Gas), the power (P) and the treatment time (Tt). For each treatment, four replications were carried out.…”

Section: Methodsmentioning

confidence: 99%

“…While the effectiveness of plasma treatments on the adhesive bonding of aluminium were proved in [12,[18][19][20][21]. On the other hand, despite laser cleaning treatments are an emerging technology, there are many study that demonstrate the effectiveness of this treatment in the cleaning of surfaces and/or in joint preparation [22][23][24][25][26][27][28].…”

Section: Introductionmentioning

confidence: 97%

Effect of Laser and Plasma Surface Cleaning on Mechanical Properties of Adhesive Bonded Joints

et al. 2015

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The use of adhesives in place of traditional joining techniques as welding and riveting is becoming increasingly common in structural design. Compared to other conventional joining processes, adhesive bonding offers several advantages: including acoustic insulation, vibration attenuation, structure lightening, corrosion reduction and uniform stress distribution. These benefits can be offset if the surfaces to be bonded are not carefully cleaned, degreased and prepared. Many approaches to surface treatments based on physical or chemical modifications have been developed in the years in order to improve the surface activity. Although widely used and very efficient, these techniques present several disadvantages. Physical methods based on mechanical abrasion are supposed to extend bonding area as they increase the roughness, but cause an extensive degradation to the specimens and they are often not easy to reproduce. On the other hand, chemical treatments are typically used with the aim of modifying both morphology and chemical structure of the substrates layers, but they present serious environmental problems of waste disposal, which has moved investigations to an industrial alternative to these processes. According, the use of energetic methods of surface cleaning, such as laser and plasma cleaning processes have been recently consolidated since they are useful to modify the topmost layers of the substrates, increasing their reactivity, without affecting the bulk material properties. These treatments offer an effective and environment-friendly processing of different materials, providing strong and durable bonds with adhesives through modification of the surface morphology and functionalities. In this study, the effects of laser and low pressure plasma treatments on mechanical properties of adhesive bonded joints has been investigated and compared performing lap-shear tests

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“…4. in adhesive properties appears to be normal if failure can occur along the interface and within the adhesive joint [41]. The scatter can be reduced if a strong bonding between the metal substrate and adhesive joint can be achieved, and if the aramid fiber length is relatively small in comparison to the specimen width, for example, in a real structure.…”

Section: Interfacial Fracture Toughnessmentioning

confidence: 95%