Recent development of the novel riveting processes

Wu, Jian‐Ying; Chen, Chao; Ouyang, Yawen; Qin, Denglin; Li, Haijun

doi:10.1007/s00170-021-07689-w

Cited by 27 publications

(4 citation statements)

References 125 publications

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“…It was reported that the order of various joint alignment in the double overlay joint affects the joint behavior during the shearing test. 13 The later research reminded that the yield point and strain hardening of rivets enables significant changing of the sheet joining process and specific finished joint parameters. Moreover, many studies have harnessed the composite self-piercing riveting process to achieve SPR connections across various materials and evaluate joint mechanical properties.…”

Section: Introductionmentioning

confidence: 99%

Performance analysis of similar and dissimilar self-piercing riveted joints in aluminum alloys

Zhao,

Xiaole,

Abbas

et al. 2023

Composites and Advanced Materials

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In this work, similar (2A12) and dissimilar (6061) aluminum alloy sheets are validly joined using self-piercing rivet process. A quasi-static experiment is proposed to investigate the mechanical behaviors, failures mode, and mechanism of the different joints. Moreover, a method based on deep learning algorithm is anticipated to detect the appearance defects of the SPR welded joints. The results indicated that 2A12 joints of similar sheets contained the advantageous static strength and 6061 similar sheet joints had superior anti-vibration performance conducts. The joints with 6061-2A12 sheets introduced the most decent and comprehensive mechanical properties. The main failure mode of 2A12 similar sheet joints was substrate fracture. The performance of the substrate affects the failure mode of the joint and the plasticity of the substrate is better. When the time comes, the failure mode is mostly pull-off failure. Poor plasticity of the substrate can easily lead to substrate breakage. The reason for joint pull-off and button fall-off failure is that there is large plastic deformation in the lower plate of the joint and the mechanical internal locking structure is damaged. 2A12 substrate breakage belongs to a composite fracture that combines intergranular fracture and microvoid aggregation type fracture. The area of the 6061 substrate near the edge of the sample is shear fracture and the area near the center of the sample thickness is dominated by microvoid aggregation type normal fracture. The effectiveness of the method was verified by conducting a series of experiments and the detection accuracy of the method can reach about 90%. The detection speed was as high as 50 frames per second (FPS), which can effectively solve the problem that the rivet quality was difficult to monitor.

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Section: Introductionmentioning

confidence: 99%

Performance analysis of similar and dissimilar self-piercing riveted joints in aluminum alloys

Zhao,

Xiaole,

Abbas

et al. 2023

Composites and Advanced Materials

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“…Self-piercing riveting (SPR) is one of the high-efficiency processes to connect sheet materials, in which a rivet is pushed into the stacked sheets in a certain direction under the force of a punch [1][2][3]. At the same time, the deformed metal is formed into a button shape with a mold assembled on the other side of the sheet.…”

Section: Introductionmentioning

confidence: 99%

Strength modeling of Al-alloy sheet self-piercing riveting considering different failure modes

Liu

Zhu

et al. 2023

Int J Adv Manuf Technol

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Self-piercing riveting (SPR) has been widely utilized to connect metal components in industry, and the mechanical properties of final product depend on the strength of SPR joint which is experimentally measured through cross-tension and lap-shear tests. These tests are destructive and the tested strength of specimen is not directly related to the actual strength of the SPR product. In this study, the SPR process of aluminum alloy sheet was investigated and the general empirical model of SPR strength was established by comprehensively considering the factors including of the geometric dimensions of components and die, the material properties of rivet and sheet, and the load -stroke curve of punch. The calculated strength values of 4 group of SPR specimens were verified by the experimentally measured results. All 2 / 54 calculation errors are lower than 8%. An industrial internet of things (IIoT) was developed to automatically realize the data transmission and strength calculation of the SPR process.

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“…These materials need to be connected. Self-Piercing Riveting (SPR) technology can effectively realize the connection of lightweight materials, and is widely used in production [ 3 , 4 , 5 , 6 ].…”

Section: Introductionmentioning

confidence: 99%

Insight of Salt Spray Corrosion on Mechanical Properties of TA1-Al5052 Self-Piercing Riveted Joint

et al. 2022

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Self-piercing riveted (SPR) joints in automobiles inevitably suffer from corrosion damage and performance reduction. In this work, the influence of salt spray corrosion on the mechanical properties of TA1-Al5052 alloy SPR joints was studied. The TA1-5052 SPR joints were prepared and salt spray tests were carried out for different durations. The static and fatigue strengths of the joints after salt spray corrosion were tested to analyze the effect of salt spray duration on the performance of the joints. The results show that the joints’ static strength and fatigue strength decrease with prolonged salt spray time. The salt spray duration affects the joint’s tensile failure mode. The tensile failure without corrosion and with a short salt spray time is the fracture failure of the lower aluminum sheet, and the tensile failure of the joints after a long time of salt spray corrosion is the failure of the rivets. The fatigue failure form of the SPR joint is the formation of fatigue cracks in the lower aluminum sheet, and salt spray time has little effect on the fatigue failure form. Salt spray corrosion can promote the initiation and propagation of fatigue cracks. The fatigue crack initiation area is located at the boundary between the lower aluminum sheet and the rivet leg. The initiation of cracks originates from the wear zones among the sheet metal, rivets, and salt spray particles.

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Recent development of the novel riveting processes

Cited by 27 publications

References 125 publications

Performance analysis of similar and dissimilar self-piercing riveted joints in aluminum alloys

Performance analysis of similar and dissimilar self-piercing riveted joints in aluminum alloys

Strength modeling of Al-alloy sheet self-piercing riveting considering different failure modes

Insight of Salt Spray Corrosion on Mechanical Properties of TA1-Al5052 Self-Piercing Riveted Joint

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