Effect of surface morphology characteristic parameters on the shear strength of aluminum bonded joints

Guo, Lei; Liu, Jianhua; Xia, Huanxiong; Li, Xia-Yu; Zhang, Xiumin; Yang, Haokun

doi:10.1016/j.ijsolstr.2022.111420

Cited by 15 publications

(6 citation statements)

References 35 publications

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“…Lastly, the tooling was disassembled and the SLJ specimens were received. The process of receiving SLJ specimens was also applied in our previous works [ 6 , 11 ].…”

Section: Methodsmentioning

confidence: 99%

“…Aluminum alloy widely appears in adhesive bonding joints owing to its lightweight, high specific strength, and good corrosion resistance [ 1 , 5 ]. However, aluminum alloy joints are usually involved in failure problems, especially in some precision components [ 6 , 7 ], and thus improving the bonding strength needs continual effort.…”

Section: Introductionmentioning

confidence: 99%

“…The bonding performances of adhesive bonding joints including strength [ 2 ], fatigue [ 8 ], aging [ 9 ], and fracture [ 6 ], all depend on the mechanical and physicochemical characteristics of adhesives and substrates, in particular summarizing five aspects [ 10 ]: (i) material properties of adhesives and substrates; (ii) technological methods like surface treatment to the substrates and curing conditions of the adhesives; (iii) geometrical parameters such as overlap width, bondline thickness, etc. ; (iv) loading manners; and (v) environmental conditions, such as temperature and humidity.…”

Section: Introductionmentioning

confidence: 99%

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Surface Treatments for Enhancing the Bonding Strength of Aluminum Alloy Joints

Luo,

Liu,

Xia

et al. 2023

Materials

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Aluminum alloy adhesive bonding joint widely appears in many industrial products. Improving the mechanical performances of aluminum alloy bonding joints has been attracting much effort. To acquire more excellent bonding strength, this paper focused on the effects of different surface treatments, including laser ablation and milling superposed by phosphoric acid anodizing (PAA). The treated surfaces were characterized by roughness and contact angle, and the effects of the geometric parameters of microstructures on wettability, failure mode, and shear strength were examined. The results indicate that those surfaces where the spacing is smaller than the diameter present a hydrophilic property and the corresponding specimens are mainly subject to cohesive failure, and vice versa. Additionally, laser ablation with a properly designed dimple pattern can greatly improve the bonding strength, and the maximum average shear strength of specimens with a thickness of 50 μm reaches 32.82 MPa, which is an increase of 28.15% compared with the original milling specimen. Moreover, fabricating groove or grid patterns on the surfaces and applying PAA treatment can also significantly enhance the bonding strength, reaching up to 36.28 MPa.

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“…Lastly, the tooling was disassembled and the SLJ specimens were received. The process of receiving SLJ specimens was also applied in our previous works [ 6 , 11 ].…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Surface Treatments for Enhancing the Bonding Strength of Aluminum Alloy Joints

Luo,

Liu,

Xia

et al. 2023

Materials

Self Cite

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“…For example, the effect of surface treatments on joint strength was investigated by Hongfan Yang et al in [4], where they focused on the effect of different surface treatments and their combinations on the surface texture (roughness) of the aluminium material and on the resulting joint strength. In this paper, they used sandblasting, electrochemical etching, and a combination of sandblasting and electrochemical etching for the treatment.…”

Section: Introductionmentioning

confidence: 99%

“…It can be concluded from this paper, that the use of appropriate treatment combinations can increase the bond strength. [4]…”

Section: Introductionmentioning

confidence: 99%

Mechanical Properties of Laser Cleaning Surface, Used for Bonding Joint of Aluminium Metal Sheet en Aw 5754

BESEDA,

SUCHÁNEK,

SEHNOUTKA

et al. 2023

METAL Conference Proeedings

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This paper deals with the testing of the properties of a bonded joint made of aluminum alloy EN AW 5754, where the laser cleaner MRJ FL C120 was used for the preparation of the bonded surfaces. Different laser beam settings were used to achieve the desired roughness. The bonded joints were formed using a twocomponent high strength epoxy adhesive. The research analyzes the effect of surface roughness created by MRJ FL C120 laser cleaner on the strength of the bonded joint under tensile test. The adhesion of the adhesive to the surface of the bonded material is analyzed. Furthermore, the tensile strength test results as a function of the surface roughness of the material are evaluated. In the evaluation of the results, the effects of different surface roughness produced by the laser cleaning method on the strength of the bonded joint were determined.

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Performance of a Unique Fiber-Reinforced Foam-Cored Metal Sandwich System Joined with Adhesively Bonded CFRP Straps Under Compressive and Tensile Loadings

Mottaghian

Taheri‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬‬

2022

Appl Compos Mater

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Effect of surface morphology characteristic parameters on the shear strength of aluminum bonded joints

Cited by 15 publications

References 35 publications

Surface Treatments for Enhancing the Bonding Strength of Aluminum Alloy Joints

Surface Treatments for Enhancing the Bonding Strength of Aluminum Alloy Joints

Mechanical Properties of Laser Cleaning Surface, Used for Bonding Joint of Aluminium Metal Sheet en Aw 5754

Performance of a Unique Fiber-Reinforced Foam-Cored Metal Sandwich System Joined with Adhesively Bonded CFRP Straps Under Compressive and Tensile Loadings

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