Structural Stress Method to Evaluate Fatigue Properties of Similar and Dissimilar Self-Piercing Riveted Joints

Rao, Harish; Kang, Jidong; Huff, Garret; Avery, Katherine

doi:10.3390/met9030359

Cited by 8 publications

(6 citation statements)

References 26 publications

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“…is very mesh sensitive, which can lead to inaccurate fatigue life predictions. For riveted joints, a simplified version of the model exists [20][21][22][23][24][25]. According to this model (1), ( 2) and (3) become the following for sheet metal failure:…”

Section: Introductionmentioning

confidence: 99%

Numerical Prediction of the Fatigue Life of Complex Riveted Structures

Corriveau,

Desrochers,

Maslouhi

2023

Inalco 2023

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Section: Introductionmentioning

confidence: 99%

Numerical Prediction of the Fatigue Life of Complex Riveted Structures

Corriveau,

Desrochers,

Maslouhi

2023

Inalco 2023

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“…Riveted joints are indispensable elements in the design and construction of thin-walled structures and are widely used in many industries [27,34], including aviation [36]. The most frequently used types of rivets are solid rivets, blind rivets, rivet nuts, and the newly used SPR self-piercing rivets [29].…”

Section: Introductionmentioning

confidence: 99%

“…The authors presented the impact of these processes on the residual stresses and the model of joint failure. Other authors [1,34] presented results about the fatigue and static strength of cross--shaped SPR joints with aluminum alloy plates at various loading angles.…”

Section: Introductionmentioning

confidence: 99%

The visual research of changes in the geometry of a rivet joint for material model effect for simulation riveted joints made of EN AW 5251

Lubas¹

2022

TiAM

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The paper presents the results of a numerical analysis of a single-lap joint with a blind rivet and its geometrical verification by inside views from the experiment. The research aimed to determine how the results of numerical analyses (FEM) were influenced by the method of modeling the material model and how it relates to the experimental results. As part of the analyses, a discrete riveted model and material model: linear and nonlinear were constructed. The analyses took into account various load cases (500, 800, and 900 N) to better illustrate the relationship between the numerical and experimental results. A new methodology of visualizing changes in a riveted joint's geometry was used to validate the results. The technology of making riveted joint cross-sections was developed during a static tensile test. Samples of a single lap joint with blind rivets made of aluminum sheets were subjected to a shear load. Deformations were "frozen" during the test, and sections were prepared. The microscope photos allowed for the development of a method for visualizing the deformation of the hole and rivet. The numerical results (for various loads and various material configurations) were compared with the experimental results of geometric parameters (i.e. angles between sheets or other dimensions) on the riveted joint cross-sections. The obtained results help to understand the mechanism of failure of the blind rivet under load and the complex state of loads in various stages of deformation.

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“…Thanks to that, they observed the impact of these processes on the residual stresses and the model of joint failure. Other authors [ 10 , 12 ] carried out fatigue and static strength on cross-shaped SFR joints with aluminum alloy plates at various loading angles. Kam et al [ 13 ] reported the type of effect of die type and joint configuration on mechanical performance, failure mode, and geometrical characteristics on SPR joints of steel and aluminum alloy.…”

Section: Introductionmentioning

confidence: 99%

Material Model Effect for Simulating a Single-Lap Joint with a Blind Rivet

Lubas

Bednarz

2021

Materials

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This paper concerns the influence of the material modeling method on the results of strength analyses. The research object was a single lap joint with a blind rivet (ISO 12996). The results of numerical strength analysis for various configurations of material models with material and contact nonlinearity were compared not only with the experimental results of such a connection but also with the values estimated using classical analytical tools (pressure stress and Hertz stress). The research aimed to determine how the results of numerical analyses (FEMs) were influenced by the method of modeling the material model and how it relates to the experimental results. As part of the analyses, a discrete riveted model and material models were constructed. The analyses took into account various load cases (from 10 to 90% of the connection capacity) to better illustrate the relationship between the numerical and experimental results. As a result of the conducted analyses, it was determined that the linear-elastic model was an acceptable and suggested solution (with a load of up to 90% of the load capacity of the joint connection) for further tests. The work was summarized with general and specific conclusions relating to all cases of numerical modeling. In addition, the summary includes suggestions for future works.

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Structural Stress Method to Evaluate Fatigue Properties of Similar and Dissimilar Self-Piercing Riveted Joints

Cited by 8 publications

References 26 publications

Numerical Prediction of the Fatigue Life of Complex Riveted Structures

Numerical Prediction of the Fatigue Life of Complex Riveted Structures

The visual research of changes in the geometry of a rivet joint for material model effect for simulation riveted joints made of EN AW 5251

Material Model Effect for Simulating a Single-Lap Joint with a Blind Rivet

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