Fatigue performance of hybrid overlap friction stir welding and adhesive bonding of an Al‐Mg‐Cu alloy

Braga, Daniel F.O.; Maciel, Ricardo; Bergmann, Luciano; Silva, Lucas F. M. da; Infante, V.; Santos, Jorge F. dos; Moreira, P.M.G.P.

doi:10.1111/ffe.12933

Cited by 28 publications

(9 citation statements)

References 10 publications

(14 reference statements)

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“…For instance, this method was used to improve the strength of FSW joints of magnesium-to-aluminum FS spot welded joints, resulting in increased quasistatic and fatigue strength [100]. Similarly, this method was proposed for continuous overlap joints of AA2024-T3, resulting in improved quasistatic and fatigue strength [101]. Lertora et al [102] in 2019 studied FSW-AB in weld-through and flow-in configuration of AA6082 aluminum alloy, showing that the latter improved joint strength and joint fatigue life.…”

Section: Friction Stir Welding and Adhesive Bonding (Fsw-ab)mentioning

confidence: 99%

A Review of Structural Adhesive Joints in Hybrid Joining Processes

et al. 2021

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Hybrid joining (HJ) is the combination of two or more joining techniques to produce joints with enhanced properties in comparison to those obtained from their parent techniques. Their adoption is widespread (metal to metal joint, composite to composite and composite to metal) and is present in a vast range of applications including all industrial sectors, from automotive to aerospace, including naval, construction, mechanical and utilities. The objective of this literature review is to summarize the existing research on hybrid joining processes incorporating structural adhesives highlighting their field of application and to present the recent development in this field. To achieve this goal, the first part presents an introduction on the main class of adhesives, subdivided by their chemical nature (epoxy, polyurethane, acrylic and cyanoacrylate, anaerobic and high-temperature adhesives) The second part describes the most commonly used Hybrid Joining (HJ) techniques (mechanical fastening and adhesive bonding, welding processes and adhesive bonding) The third part of the review is about the application of adhesives in dependence of performance, advantage and disadvantage in the hybrid joining processes. Finally, conclusions and an outlook on critical challenges, future perspectives and research activities are summarized. It was concluded that the use of hybrid joining technology could be considered as a potential solution in various industries, in order to reduce the mass as well as the manufacturing cost.

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Section: Friction Stir Welding and Adhesive Bonding (Fsw-ab)mentioning

confidence: 99%

A Review of Structural Adhesive Joints in Hybrid Joining Processes

et al. 2021

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“…FSW is a revolutionary joining method that allowed the welding of previously unwieldable alloys with excellent characteristics and has an enormous potential for application in a large array of industries. Friction stir welding has shown to produce sound quality, high performing joints making it the most appealing welding technology for aeronautical structures [4]. In its most basic form, FSW is performed with a tool composed of shoulder and pin, fractioning and mixing the material to weld.…”

Section: Friction Stir Welding (Fsw)mentioning

confidence: 99%

Development of hybrid friction stir welding and adhesive bonding single lap joints in aluminium alloys

Maciel

Infante

Braga³

et al. 2019

Frattura Ed Integrità Strutturale

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Aeronautical structures have been assembled for decades using a wide variety of welding and joining techniques. Over the last 15-20 years significant developments in joining techniques have occurred. Aluminium alloys have been the main traditional materials in civil aeronautical industry for the fuselage and structural parts. In order to reduce weight, improving fuel efficiency, there is the need to develop innovative solutions to join aluminium components in a single lap joint (SLJ) configuration with higher strength to weight ratio than riveting and fastening. In this work, a combination of the friction stir welding (FSW) and adhesive bonding (AB) processes is presented. Quasi-static mechanical properties, fatigue behaviour and other properties of the friction stir weld-bonding joints were assessed and compared with adhesive only and friction stir welded only joints. The development of this new joining technology, combining FSW with AB, resulting in friction stir weld-bonding, aims to incorporate properties and characteristics of both joining technologies, as well as improving damage tolerance. The present research involved the production of two types of overlap joints-FSW and hybrid friction stir weld-bonding. The main objective of this study is to compare the different joining technologies in lap joint configuration and evaluate the influence of different parameters on the mechanical behavior of the joints. The hybrid joints present higher strength, ductility and hardness, with the highest joint efficiency achieved in the hybrid joint produced with 450 kgf. These findings lead to the conclusion that-hybridization process confers a joint efficiency improvement between 20-30 % in most cases.

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“…Epipolar geometry is an important tool for developing such constraints, it points out the epipolar constraints that exist between corresponding feature points on two or more images, such constraints can be obtained by camera calibration or even just by a given set of corresponding feature points [4]. Braga D et al proposed a tolerance map model (Tolerance.Map, T-Map) compatible with ASME standard, T-Map is an imaginary convex polyhedron shape point set space, its shape and size reflect the type and various possible changes of the target object, so that the various tolerance changes of the target object have a one-to-one correspondence with the points in the T-Map [5].…”

Section: Introductionmentioning

confidence: 99%

Geometric Tolerance Control Method for Precision Machinery Based on Image Modeling and Novel Saturation Function

Yue

2022

Applied Mathematics and Nonlinear Sciences

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Research on the geometric tolerance control method of precision machinery based on image modeling and new saturation function. First, image-based modeling techniques provide a new way to control the saturation function with a dynamic boundary layer from a computer graphics perspective. Then, it proposes a method to represent the dimensional and geometric tolerances of precision machines using changes in the position of control points of geometric elements. Finally, the main content of the tolerance analysis method based on Monte Carlo simulation is proposed, that is, the position of the azimuth control point of all geometric elements on the measurement chain is determined experimentally by using a random number generator. Experiments have shown that the nominal distance between the control points is the nominal size of the geometric elements, and by comparing the variation of the control points with the nominal distance of the control points, it is easy to determine the relationship between tolerance and tolerance. accuracy.

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Fatigue performance of hybrid overlap friction stir welding and adhesive bonding of an Al‐Mg‐Cu alloy

Cited by 28 publications

References 10 publications

A Review of Structural Adhesive Joints in Hybrid Joining Processes

A Review of Structural Adhesive Joints in Hybrid Joining Processes

Development of hybrid friction stir welding and adhesive bonding single lap joints in aluminium alloys

Geometric Tolerance Control Method for Precision Machinery Based on Image Modeling and Novel Saturation Function

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