Self-piercing riveting of high tensile strength steel and aluminium alloy sheets using conventional rivet and die

Abe, Yohei; Kato, Toru; Mori, Ken-ichiro

doi:10.1016/j.jmatprotec.2008.09.007

Cited by 173 publications

(68 citation statements)

References 10 publications

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“…Authors reported that the joint strength is greatly influenced by not only the strength of the sheets and rivets but also the ratio of the thickness of the lower sheet to the total thickness. Abe et al [21] investigated the effects of the flow stress of the highstrength steel sheets and the combination of the sheets on the joinability of the sheets by FE simulation and an experiment. They found that as the tensile strength of the high-strength steel sheet increases, the interlock for the upper high-strength steel sheet increases due to the increase in flaring during the driving through the upper sheet, whereas that for the lower high-strength steel sheet decreases.…”

Section: Spr Processmentioning

confidence: 99%

Recent development in finite element analysis of self-piercing riveted joints

Ball

2011

Int J Adv Manuf Technol

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Self-piercing riveting (SPR) is a high-speed mechanical fastening technique which is suitable for point-joining advanced lightweight sheet materials that are dissimilar, coated, and hard to weld. Major advances have been made in recent years in SPR technique. Latest literature relating to finite element analysis (FEA) of SPR joints is reviewed in this paper. The recent development in FEA of SPR joints are described with particular reference to three major factors that influence the success of SPR technique: SPR process, failure mechanism, and mechanical behavior of SPR joints. The main FE methods used in FEA of SPR joints are discussed and illustrated with brief case studies from the literature. Areas where further useful progress can be made are also identified.

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Section: Spr Processmentioning

confidence: 99%

Recent development in finite element analysis of self-piercing riveted joints

Ball

2011

Int J Adv Manuf Technol

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“…In the models for simulation, different researchers have used different coefficients of friction. A value of 0.1 was used by Xu [8], a value of 0.15 was used by Khezri et al [9], and a value of 0.2 was used by Abe et al [10], for all interfaces.…”

Section: Introductionmentioning

confidence: 99%

Influence of local surface texture by tool impression on the self-piercing riveting process and the static lap shear strength

2017

Journal of Manufacturing Processes

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To increase fuel efficiency and reduce emission, aluminium alloys have been increasingly used in automotive body-in-white structures for lightweighting. Due to its advantages over some of the more traditional joining technologies, self-piercing riveting (SPR) has been widely used for these lightweight structures. Research has showed that friction is a very important factor that influences both the riveting process and joint strength for SPR, but these influences have not been fully understood. In this paper, an innovative method was used to modify the local surface of the top sheet around the rivet piercing location with different impression tools (the central pin, the small ring, the medium ring and the large ring) and garnet particles to study the influence of local frictions on rivet inserting process, joint features and static lap shear strength. The results showed that the local surface textures on the aluminium sheet did not have significant influence on the rivet inserting process based on displacement-force curve analysis. The local surface textures could slightly change the joint features, especially the rivet head height, but overall this influence was not significant. The lap shear tests showed that ring impressions with garnet particles and central pin impressions on the bottom surface of the top sheet increased the static lap shear strength of the SPR joints. The results confirmed that the critical location for local friction influence on the lap shear strength was around the rivet leg piercing location.

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“…SPR is widely used by several automotive manufacturers as an economical and effective technique to join aluminum vehicle bodies [6][7][8][9]. SPR joints of aluminum to aluminum [6,[10][11][12][13][14], magnesium to magnesium [15], and aluminum to steel [16][17][18] alloys have shown superior peel and fatigue strength compared to RSW joints. Unlike welding, SPR does not involve any heating or melting of material, nor does it require additional manufacturing processes, like pre-drilling holes, which could add additional manufacturing time and cost [5].…”

Section: Introductionmentioning

confidence: 99%

Tensile and fatigue behaviour of self-piercing rivets of CFRP to aluminium for automotive application

Kang¹,

Rao²,

Zhang³

et al. 2016

IOP Conf. Ser.: Mater. Sci. Eng.

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Numerical simulation and experimental validation of self-piercing riveting (SPR) of 6xxx aluminium alloys for automotive applications F Hönsch, J Domitner, C Sommitsch et al. Abstract. In this study, the tensile and fatigue behaviour of self-piercing rivets (SPRs) in carbon fibre reinforced plastic (CFRP) to aluminium 6111 T82 alloys were evaluated. An average maximum lap-shear tensile load capacity of 3858 N was achieved, which is comparable to metal-to-metal SPR lap-shear joints. The CFRP-Al SPRs failed in lap-shear tension due to pull-out of the rivet head from the CFRP upper sheet. The CFRP-Al SPR lapshear specimens exhibited superior fatigue life compared to previously studied aluminium-toaluminium SPR lap-shear joints. The SPR lap-shear joints under fatigue loads failed predominantly due to kinked crack growth along the width of the bottom aluminium sheet. The fatigue cracks initiated in the plastically deformed region of the aluminium sheet close to the rivet shank in the rivet-sheet interlock region. Scatter in fatigue life and failure modes was observed in SPR lap-shear specimens tested close to maximum tensile load.

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Self-piercing riveting of high tensile strength steel and aluminium alloy sheets using conventional rivet and die

Cited by 173 publications

References 10 publications

Recent development in finite element analysis of self-piercing riveted joints

Recent development in finite element analysis of self-piercing riveted joints

Influence of local surface texture by tool impression on the self-piercing riveting process and the static lap shear strength

Tensile and fatigue behaviour of self-piercing rivets of CFRP to aluminium for automotive application

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