Adhesively bonded aluminium double-strap joints: effects of patch part on failure load

Paygozar, Bahman; Sadigh, Mohammad Ali Saeimi; Silva, L. F. M. da

doi:10.1007/s40430-020-02679-7

Cited by 10 publications

(5 citation statements)

References 28 publications

(25 reference statements)

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“…Although this improves the overall quality of the connecting structure, it is not conducive to the lightweight of the structure. 77 …”

Section: Joint Design Strategy and Failurementioning

confidence: 99%

“…Although this improves the overall quality of the connecting structure, it is not conducive to the lightweight of the structure. 77 In addition to the above two types of joints, there are also joint configurations such as the butt, scarf, stepped type, plug-in type and wave type. There are differences in the influencing factors of different joint lap structures.…”

Section: Conventional Jointsmentioning

confidence: 99%

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A review of modification methods, joints and self-healing methods of adhesive for aerospace

Hu,

Shu,

Zheng

et al. 2024

Science Progress

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In recent years, the adhesive technology has been widely used in the production of high-strength joins and precise positioning of various materials, such as metals, glass and composite materials. The adhesive technology has become a promising assembly process in the aerospace field due to its versatility, low creep and high damage tolerance. However, the reliability and predictability of adhesive bonding still require further development due to the complex operating conditions involved. Therefore, this article reviews and discusses the latest advances in aerospace adhesive technology, such as methods for improving bonding performance, bonding techniques (including joints structure and failure modes) and self-healing adhesive layers. Additionally, the current research results are summarised, and possible development trends and research directions in the field of adhesive bonding are prospected.

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“…Although this improves the overall quality of the connecting structure, it is not conducive to the lightweight of the structure. 77 …”

Section: Joint Design Strategy and Failurementioning

confidence: 99%

Section: Conventional Jointsmentioning

confidence: 99%

A review of modification methods, joints and self-healing methods of adhesive for aerospace

Hu,

Shu,

Zheng

et al. 2024

Science Progress

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“…To manufacture the joints, the contamination removal process of the bonding areas of the stainless steel 304 substrates [21] was done through several steps, as listed in [22]. After surface preparation step, two adherends (120 mm×20 mm×2 mm) of each joint were attached together by one thin layer (30 mm×20 mm×0.1 mm) of the silica-reinforced resin epoxy of different weight percentages as an adhesive layer.…”

Section: Bonding Processmentioning

confidence: 99%

On the fracture of nano-silica/epoxy bonded single-lap steel joints

PAYGOZAR

2023

Recent Adv Sci Eng

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This research aims to investigate the influence of nano-silica inclusion on the adhesive properties of an epoxy resin, and its capability in increasing the failure load of the joint with steel substrates. For this purpose, single-lap joints manufactured from Stainless Steel 304 (SS) adherends bonded together with a thin layer of the silica-reinforced epoxy resin (as the adhesive) are investigated. To improve the epoxy, silica nanoparticles (SNPs) are utilized in three different concentrations (i.e. 1, 2 and 3 wt. %). Failure loads of the joints are extracted by uniaxial tensile loading for the joints including either neat or reinforced epoxy resins. Scanning Electron Microscope (SEM) are used to examine the dispersion quality of nanoparticles into the polymer as well as the hindrance effect of the nano-silica inclusions on the micro-cracks' propagation or/and their unification. In addition, the fracture surfaces of the joints were investigated so as to relieve the failure type of the joints; whether cohesive or a combination of both adhesive and cohesive types. It was found out that the joint including silica-reinforced epoxy resin at 2wt.% best improved the failure load and changed the debonding mechanism to a fully cohesive type compared to that of the joint comprising the neat resin.

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“…The surface preparation process was done according to the steps described in [11]. Both components of the adhesive were mixed in a 1:1 weight ratio [15], and in a suitable amount (50 ml). Then an appropriate amount of the mixed adhesive was applied onto the bonding surfaces of each joint.…”

Section: Build Directionmentioning

confidence: 99%

Bonding Additively Manufactured PLA Materials: Effects of Joint Scarf Angle and Substrate Raster Orientation

Paygozar

Gorguluarslan

2023

Makina Tasarım Ve İmalat Dergisi

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The aim of this study is to investigate the effect of the scarf angle of the bonding region and the raster orientation of 3D printed substrates for the adhesive scarf joints made of additively manufactured Polylactic acid (PLA) adherends. In the first step, single PLA specimens were 3D printed using the fused filament fabrication (FFF) process in three different raster orientations of 0º, 45º, and 90º. Tensile and compression tests of them showed that the raster orientation of 90º gives the weakest results. Hence, in the second step, for the scarf joints, the PLA adherends were 3D printed in two different raster orientations of 0º and 45º. The joints were built with five different scarf angles of 15º, 30º, 45º, 60º, and 90º. The tensile and compression tests of all the specimens were conducted to determine the failure loads for different scarf angles and raster orientations. It is found that the endured load before rupture varies measurably as a function of the raster orientation of printed substrates and scarf angle of the joint, but differently for tensile and compression loadings. Eventually, the scarf angle for PLA scarf joints is determined which gives similar failure loads under both tension and compression loadings.

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Adhesively bonded aluminium double-strap joints: effects of patch part on failure load

Cited by 10 publications

References 28 publications

A review of modification methods, joints and self-healing methods of adhesive for aerospace

A review of modification methods, joints and self-healing methods of adhesive for aerospace

On the fracture of nano-silica/epoxy bonded single-lap steel joints

Bonding Additively Manufactured PLA Materials: Effects of Joint Scarf Angle and Substrate Raster Orientation

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