Influence of initial fit tolerance and squeeze force on the residual stress in a riveted lap joint

Zeng, Chao; Liao, Wenhe; Tian, Wei

doi:10.1007/s00170-015-7235-7

Cited by 26 publications

(16 citation statements)

References 23 publications

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“…It was found that residual stresses beneath the rivet head were influenced primarily by through-thickness compression of the joined sheets. Zeng et al [ 9 ] studied the residual stress distribution in a plate concerning the influence of initial fit tolerance and the squeeze force. It is concluded that both the increase of squeeze force and initial fit tolerance can lead to an increase in residual stress.…”

Section: Introductionmentioning

confidence: 99%

Influence of Rivet Diameter and Pitch on the Fatigue Performance of Riveted Lap Joints Based on Stress Distribution Analysis

Liu

Zhao

et al. 2020

Materials

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Interference-fit riveting is one of the most widely used mechanical joining ways in aircraft assembly. The fatigue performance of riveted joints has a significant impact on the service life and reliability of aircraft. In this paper, the fatigue performance of the riveted lap joints with various rivet diameters and pitches are studied based on stress distribution analysis under tensile load. First, a theoretical model of the riveted lap joint under tensile load is developed by using the spring-mass model. The rivet-load stress, bypass stress, and interference stress around the riveted hole are analyzed. Then, the finite element (FE) model of riveted lap joints are established. The influence of rivet diameter and pitch on stress distribution around the riveted hole are discussed. Finally, the fatigue tests are conducted with riveted lap joint specimens to verify the theoretical model and FE results, and a good agreement is observed. Based on the simulation and experimental results, a good combination of structural parameters of the riveted lap joint is found which can optimize the stress distribution around the riveted hole and improve the fatigue life of the riveted lap joint.

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Section: Introductionmentioning

confidence: 99%

Influence of Rivet Diameter and Pitch on the Fatigue Performance of Riveted Lap Joints Based on Stress Distribution Analysis

Liu

Zhao

et al. 2020

Materials

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“…The best interference value was reported between 4% and 6%. 8 Zeng et al 9 conducted a comprehensive study on the residual stress distribution in a plate that resulted from initial interference fit and squeeze force in a riveting process. Following a finite element simulation, an analytical model of the riveting process was introduced and then a fracture analysis of fatigue loading was performed.…”

Section: Introductionmentioning

confidence: 99%

“…High compressive stresses were observed around the hole in tangential direction because of interference fit that shows fatigue life increase effect. 9 Jiang et al 10 studied the influence of interference fit value on hole deformation and residual stresses in a hi-lock bolt (Ti alloy) inserted into an aluminum alloy lap specimen. A two-dimensional (2D) FE model of the process was also developed revealing consistency in the analytical forecasts and experimental data.…”

Section: Introductionmentioning

confidence: 99%

Investigation of insert-hole interference fit influence on downhole drilling bit failure

Saeedi

Sadeghi

2020

Proceedings of the Institution of Mechanical Engineers, Part B:

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Down-the-hole drilling is a reliable method for drilling in medium-to-hard geological structures. The insert-hole fitting interference value emerges as one of the most important factors of down-the-hole drilling bit life. In this study, fatigue tests were conducted using a tungsten carbide pin press-fitted into a hole in the specimens of DIN 1.6580 steel (which is used for manufacturing the bit body) to quantify the effect of interference value on the bit body failure. Then, the process of bit-rock collision was simulated using three-dimensional finite element method taking into account the residual stresses in the insert and bit body to determine the optimal interference value. Simulations were performed considering the rotary motion of the bit in addition to impact for a single-insert as well as a commercial 3.5 inch bit. Results showed that the interference value influences fatigue life significantly. Also, the velocity and angle of impact have considerable influence on body stresses. Results of this study can greatly assist the design of insert-hole manufacturing tolerances in down-the-hole bits.

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“…They concluded that the tension-shearing strength and cross-tensile strength of the joint could be increased by the compressing method, and neck fracture mode is the main failure mode. Zeng et al 14 discussed the influence of the initial fit tolerance and squeeze force on the residual stress in the riveted lap joint. An analytical model of the riveting process was established in terms of the elasticity and plasticity theory.…”

Section: Introductionmentioning

confidence: 99%

Residual stress and fatigue behavior of riveted lap joints with various riveting sequences, rivet patterns, and pitches

Zheng

et al. 2019

Proceedings of the Institution of Mechanical Engineers, Part B:

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The residual stress of multi-rivet structures is related with the riveting sequence, the rivet pattern, and the pitch due to the deformation interaction of different rivets. The stress amplitude of riveted structures subjected to the cyclic loads is affected by the residual stress, which increases the difficulty in the prediction of fatigue life. In this article, the riveting processes for single-row and triple-row riveted lap joints with various riveting sequences, rivet patterns, and pitches are studied numerically and experimentally. The residual stresses for both types of riveted structures are verified by the testing data. Significant difference appears in the residual stress field for riveted lap joints with various riveting sequences and rivet patterns. The decrease in the rivet pitch increases the compressive residual stress at the edge of the rivet hole. Furthermore, the fatigue life prediction model is developed for multi-rivet structures, in which the coupling effect of residual stress and cyclic load is considered. The fatigue experiments are conducted for riveted lap joints with various riveting sequences, rivet patterns, and pitches. The accuracies of the numerical results obtained from the Homan model and the developed model are compared with the experimental data. The proposed fatigue model shows better performance to predict fatigue life for multiple rivet structures.

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Influence of initial fit tolerance and squeeze force on the residual stress in a riveted lap joint

Cited by 26 publications

References 23 publications

Influence of Rivet Diameter and Pitch on the Fatigue Performance of Riveted Lap Joints Based on Stress Distribution Analysis

Influence of Rivet Diameter and Pitch on the Fatigue Performance of Riveted Lap Joints Based on Stress Distribution Analysis

Investigation of insert-hole interference fit influence on downhole drilling bit failure

Residual stress and fatigue behavior of riveted lap joints with various riveting sequences, rivet patterns, and pitches

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