Friction rivet joining towards high-performance wood-metal hybrid structures

Xie, Yuming; Huang, Yumin; Meng, Xianghai; Wang, Feifan; Wan, Long; Dong, Zuomin; Cao, Jian

doi:10.1016/j.compstruct.2020.112472

Cited by 12 publications

(3 citation statements)

References 36 publications

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“…[1] However, unlike metals and plastics, natural wood is limited in size due to the limitations of natural growth. [2] Various physical or chemical methods have been tried for bonding wood, such as surface modification of wood, [3][4][5] vibration welding, [6] chemical in situ bonding, [3,7,8] and metal fixing, [9] but the use of adhesives for bonding wood is still the preferred choice of most manufacturers. Multiple pieces of wood are bonded by adhesives to be made into various types of composite boards to meet different dimensional requirements.…”

Section: Introductionmentioning

confidence: 99%

Bonding Wood via Cellulose Aqueous Solution as Cell Wall Adhesive

Huang,

Cao,

Huang

et al. 2024

Adv Eng Mater

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The size of the wood plays a crucial role in determining its ultimate application. In order to break through the dimensions of natural wood, multiple pieces of wood are often bonded together with adhesives to form larger sizes. The physical and chemical properties of adhesives are different from those of natural wood, and this difference often leads to failure of the adhesive bonding interface. Here an aqueous solution of dissolved cellulose has been used as an adhesive to bond wood. The regenerated cellulose produced by recrystallization will combine the wood fibers that originally existed on the wood surface cell wall. The resulting bonding wood interface consists of densely packed regenerated cellulose and wood cellulose fibers, which possess strong hydrogen bonds and physical entanglements. The shear strength has surpassed those of typical bio‐based adhesives and commercial adhesives. The same composition as natural wood endows this bonding interface with physical and chemical properties similar to natural wood such as weatherability. Bonding wood with this cellulose aqueous solution as an adhesive reduces our dependence on petrochemical‐based adhesives, and this facile and pressureless bonding strategy offers a promising route to manufacture sustainable wood composites with robust bonding interfaces.This article is protected by copyright. All rights reserved.

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Section: Introductionmentioning

confidence: 99%

Bonding Wood via Cellulose Aqueous Solution as Cell Wall Adhesive

Huang,

Cao,

Huang

et al. 2024

Adv Eng Mater

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“…The composite of wood and aluminum combines the properties of wood, such as its low density, thermal insulation, durability and renewability [1][2][3], with the properties of aluminum, such as mechanical stability and corrosion resistance [4]. A particular challenge is the environmentally friendly joining of these two materials [5,6]. Primarily, adhesives are used to join such dissimilar materials.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Molecular Interactions in the Bondline of Composites from Plasma-Treated Aluminum and Wood

Zimmermann,

Moritz,

Höfft

et al. 2023

Molecules

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Wood and aluminum composites are becoming increasingly attractive due to their ability to combine the advantages of both materials: the lightweight nature of wood and the strength of aluminum. However, using conventional wood adhesives like polyvinyl acetate (PVAc) to bond these dissimilar materials is challenging and requires special surface treatments. Prior studies have demonstrated that applying a dielectric barrier discharge plasma treatment significantly enhances shear and bending strengths in beech wood/aluminum bonds. This study focuses on the molecular interactions between PVAc and aluminum or beech wood influenced by plasma surface modification. Surface-sensitive methods, including X-ray photoelectron spectroscopy, infrared reflection adsorption spectroscopy and atomic force microscopy, were employed to characterize the PVAc films on the corresponding surfaces and to identify possible interactions. The ultrathin PVAc films required for this purpose were deposited by spin coating on untreated and plasma-treated aluminum. The aluminum surface was cleaned and oxidized by plasma. Additionally, hydroxyl species could be detected on the surface. This can lead to the formation of hydrogen bonds between the aluminum and the carbonyl oxygen of PVAc after plasma treatment, presumably resulting in increased bond strength. Furthermore, the beech wood surface is activated with polar oxygen species.

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“…However, it has certain limitations in the engineering manufacturing process due to the inherent issues of the conventional FSW method (Huang et al, 2013;Xie et al, 2020): 1) A rigid back support is required to prevent the weld from collapsing, which is difficult for the hollow or enclosed profiles to provide; 2) The welding adaptability of non-linear welds is poor. FSW is more suitable for butt and lap joints compared with the joints with complex curve welding path; 3) Root defect.…”

Section: Introductionmentioning

confidence: 99%

Asymmetry Thermal Analyses of Self-Supporting Friction Stir Welding

Li¹,

Li²,

Li³

et al. 2022

Front. Mater.

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Due to the inherent issue of requiring rigid back support, friction stir welding (FSW) has serious limitations for the welding of hollow structures. Self-supporting friction stir welding was proposed to join hollow aluminum extrusions, which could reduce the hindrance of the welding tool and the requirement of rigid back support. In this paper, finite element modeling analyses were carried out for the asymmetric temperature field in the process of self-supporting FSW. The peak temperature of the stir zone appeared in the upper shoulder affected zone, followed by the lower shoulder affected zone. In the upper shoulder affected zone, a peak temperature was not shown at the center of the curve due to the positive correlation between heat generation and radius and different heat dissipation rates. Considering the influence of thermal input and rotation speed on joint formation, 200 mm/min travel speed and 800 rpm rotation speed are the most proper parameters for 5-mm-thick 6082-T6 aluminum alloy self-supporting FSW butt welds.

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Friction rivet joining towards high-performance wood-metal hybrid structures

Cited by 12 publications

References 36 publications

Bonding Wood via Cellulose Aqueous Solution as Cell Wall Adhesive

Bonding Wood via Cellulose Aqueous Solution as Cell Wall Adhesive

Characterization of Molecular Interactions in the Bondline of Composites from Plasma-Treated Aluminum and Wood

Asymmetry Thermal Analyses of Self-Supporting Friction Stir Welding

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