Fatigue endurance of welded joints under variable amplitude loading

Ryazantsev, V I; Fedoseev, V A; Shavyrin, V. N.

doi:10.1007/bf00770533

Cited by 2 publications

(2 citation statements)

References 1 publication

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“…According to Ryazantisev and Shavyrin, 16 weld bonding, a combination of RSW and AB, was first introduced in the 1950s for automotive body construction. As compared to either spot welding or AB, weld bonding joint provides more desirable joint performance in terms of strong stiffness, long fatigue life 17,18 and high resistance to collisions and corrosion.…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties and interface morphology of Mg/Al ultrasonic spot weld bonding welds

Feng

Chao

et al. 2016

Science and Technology of Welding and Joining

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This paper investigates the mechanical properties and interface morphology of Mg/Al ultrasonic spot welding (USW) joint, adhesive bonding (AB) joint and ultrasonic spot weld bonding (USWB) joint. The peak load and fracture energy of USWB joint increased significantly compared to that of USW joint and AB joint. The USWB joint presented a hybrid fracture mode which was composed of the delamination failure at adhesive/Mg interface, cohesive failure within the adhesive and cleavage failure in the weld zone. The interface morphology suggested that USWB joint exhibited fewer defects in the cured adhesive matrix and elevated connection density of adhesive/metal interface, which improved joint strength and altered the fracture mode.

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Section: Introductionmentioning

confidence: 99%

Mechanical properties and interface morphology of Mg/Al ultrasonic spot weld bonding welds

Feng

Chao

et al. 2016

Science and Technology of Welding and Joining

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show abstract

“…With the development of crash-toughened adhesives in the automotive industry, adhesive/ rivet-bonding strength, and fatigue life are comparable to or even better than traditional weld bonded joints [4].…”

Section: Introductionmentioning

confidence: 99%

Curing-Induced Distortion Mechanism in Adhesive Bonding of Aluminum AA6061-T6 and Steels

Zhu

Chen

et al. 2013

Journal of Manufacturing Science and Engineering

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The bonding of dissimilar materials is of primary importance to the automotive industry as it enables designers the freedom to choose from a wide variety of low density materials such as aluminum and magnesium. However, when t\^'o dissimilar materials (e.g., aluminumto-steel) are bonded by curing at elevated temperatures, residual stresses result upon cooling the layered material system to room temperature. Problems such as distortion and fracture of adhesive often emerge in bonding of these dissimilar materials for automotive applications. In this study, the transient distortion of riveted and rivet-bonded aluminum AA6061-T6-to-steels during the curing process was investigated using the photographic method. The influences of temperature, adhesive properties, adherend thickness, adherend strength, and the presence of constraints on the transient distortion and adhesive fracture were evaluated. The peak curing temperature was found to play the most important role in distortion and adhesive fracture, followed by the influence of adherends thickness. In contrast, the other parameters studied such as the adhesive strength, constraints' type, and adherend strength produced a limited effect on distortion. The results provide useful information about vehicle body structure's design in reducing the curing induced distortion.

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Fatigue endurance of welded joints under variable amplitude loading

Cited by 2 publications

References 1 publication

Mechanical properties and interface morphology of Mg/Al ultrasonic spot weld bonding welds

Mechanical properties and interface morphology of Mg/Al ultrasonic spot weld bonding welds

Curing-Induced Distortion Mechanism in Adhesive Bonding of Aluminum AA6061-T6 and Steels

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