Parametric Investigation of Effect of Abnormal Process Conditions on Self-Piercing Riveting

Jeong, Taek-Eon; Kam, Dong-Hyuck; Kim, Cheol-Hee

doi:10.3390/app10072520

Cited by 5 publications

(3 citation statements)

References 39 publications

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“…Zhang [ 24 ] performed self-pierce riveting of a 1 mm thick high-strength steel and aluminum alloy sheets and investigated the effect of the sequence of riveting on the dimensional stability of the product. Jeong et al [ 25 ] performed self-pierce riveting of high strength steel and aluminum alloy sheets and investigated the effect of sheet constraint conditions on the cross-sectional properties and joint strength.…”

Section: Introductionmentioning

confidence: 99%

Self-Pierce Riveting of Three Thin Sheets of Aluminum Alloy A5052 and 980 MPa Steel

2022

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Self-pierce riveting of three thin sheets of 980 MPa steel and 5052 aluminum alloy was performed to investigate the effect of sheet configuration on the deforming behaviors of the sheets and the rivet and joint strength. When the lower sheet was aluminum alloy, the joining range was relatively wide, i.e., the interlock hooking the rivet leg tended to be large. In the sheet configuration in which the upper and lower sheets were A5052 and the middle sheet was 980 MPa steel, the rivet leg spread out moderately and the joint without defects was obtained. In the lower 980 MPa steel sheet, fracture tended to occur due to the low ductility of the lower sheet, and the joining range was narrow with the small interlock although the three sheets were joined by an appropriate die shape. In joint strength of joined three sheets, fracture occurred in the lower-strength aluminum alloy sheet if interlocks of about 300 μm and 150 μm could be formed in the lower aluminum alloy sheet and 980 MPa steel sheet, respectively.

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Section: Introductionmentioning

confidence: 99%

Self-Pierce Riveting of Three Thin Sheets of Aluminum Alloy A5052 and 980 MPa Steel

2022

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“…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. The SPR joint between dissimilar material combinations was also experimentally studied by Taek-Eon Jeong and Xiaocong He [ 14 , 15 ].…”

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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“…[ 12 ] It is a challenge to joint high strength steel to aluminum alloy by self‐piercing riveting (SPR) process. Jeong et al [ 13 ] studied the effects of abnormal process conditions on the SPR joints for 1 mm 590DP and 2 mm 5052‐H32. In the experimental design, six types of poor fit‐up, setting force with a variation of 5 kN, preclamping force with a variation of 3 kN, angular misalignments of ±20°, and an edge offset distance of ±5 mm were considered as abnormal process conditions.…”

Section: Introductionmentioning

confidence: 99%

Self‐Piercing Riveting of Hot Stamped Steel and Aluminum Alloy Sheets Base on Local Softening Zone

Zhang

Wang

et al. 2020

steel research int.

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Self‐piercing riveting (SPR) has been used to joint steel to aluminum alloy sheets in multimaterial car body. It is a challenge to joint high strength steel to aluminum alloy by SPR process, especially for materials with high strength and large thickness. Herein, the SPR process for 1500 MPa hot stamped steel and aluminum alloy sheets is studied by experiment and simulation method. The laser heat treatment process is applied to the hot stamped steel sheet before joining. The relationship between heat treatment process and hardness distribution is studied and the softening zone with hardness less than 300 HV is obtained. Furthermore, the local softening zone is joined to an aluminum alloy sheet by SPR process. In the process, the rivets with high hardness are used to pierce the steel sheet. The failure mode and maximum tensile shear force of the joint are studied. At the same time, the joints without laser heat treatment are compared. The results show that the interlock and the maximum shear force for laser heat treatment increase by 91% and 26%, respectively.

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Parametric Investigation of Effect of Abnormal Process Conditions on Self-Piercing Riveting

Cited by 5 publications

References 39 publications

Self-Pierce Riveting of Three Thin Sheets of Aluminum Alloy A5052 and 980 MPa Steel

Self-Pierce Riveting of Three Thin Sheets of Aluminum Alloy A5052 and 980 MPa Steel

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

Self‐Piercing Riveting of Hot Stamped Steel and Aluminum Alloy Sheets Base on Local Softening Zone

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