Self-piercing riveting-a review

Li, Dezhi; Chrysanthou, A.; Imran, Patel; Williams, Geraint

doi:10.1007/s00170-017-0156-x

Cited by 230 publications

(137 citation statements)

References 132 publications

(237 reference statements)

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“…SPR is used to join two or more sheets of materials by driving a rivet piercing through the top sheet or the top and middle sheets and partially piercing and locking into the bottom sheet to form a mechanical joint. During the SPR process, the spreading of the rivet skirt is guided by a suitable die, and the punched slug from the top sheet and the middle sheet is embedded into the rivet shank [3]. During the SPR process, the characteristic curve (force-displacement curve) can reveal the relationship between residual stress and its physical occurrence [4].…”

Section: Introductionmentioning

confidence: 99%

Dynamic Behavior of Self-Piercing Riveted and Mechanical Clinched Joints of Dissimilar Materials: An Experimental Comparative Investigation

Xia

2019

Advances in Materials Science and Engineering

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e present work compares the dynamic effect of a self-piercing riveted (SPR) joint with that of a mechanical clinched joint having the dissimilar materials combination. e substrates used in this investigation are aluminum alloy AA5182-O and deep drawing steel DX51D+Z. e static and dynamic behaviors and the failure modes of the SPR and clinching joints are characterized by lapshear, cross-tension, and coach-peel tests. e influence of the strain-rate-dependent mechanical behavior of the substrates on the joints is examined; this can help improve prediction of the energy absorption of the joints under impact loading. Considering the realistic baking process in a painting shop, the deforming and hardening effects on the SPR and the clinched joints induced by baking are also studied. e specimens are heated to 180°C for 30 min in an oven and then cooled down in air. e SPR and the clinched joints before and after the baking process are compared in terms of the mechanical behavior.

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Section: Introductionmentioning

confidence: 99%

Dynamic Behavior of Self-Piercing Riveted and Mechanical Clinched Joints of Dissimilar Materials: An Experimental Comparative Investigation

Xia

2019

Advances in Materials Science and Engineering

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“…(2) Can be used to join both similar and dissimilar materials; (3) No need for pre-drilling or punching holes; (4) No prerequisite for surface pre-treatment; (5) Capability to use lubricants and adhesives; (6) High speed production rate; (7) Long tool life; (8) High static and fatigue joint strengths; (9) Ability to automate and monitor the process easily.…”

Section: Introductionmentioning

confidence: 99%

“…With the application of six criteria, including head height, bottom thickness, minimum bottom thickness, deformed rivet diameter, shear strength, and peel strength, the AHP assessment was able to define the best conditions for the SPR joining of the aluminium alloy sheets.The SPR process is used to join two or more similar or dissimilar sheet materials by driving a rivet through the top sheet and partially to the bottom sheet. The process creates an interlock between the sheets by flaring the rivet skirt, directed by a suitable die, without piercing through the bottom sheet [2,3]. SPR is a cold process, and unlike the conventional riveting process, does not require a pre-drilled hole, therefore possessing the same joining speed as that of the resistance spot welding [4].…”

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confidence: 99%

Assessment of Self-Piercing Riveted Joints Using the Analytic Hierarchy Process

Bagherpour

Huang

Fan

2019

Metals

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Self-piercing riveting (SPR) as a solid-state joining technology has recently found extensive applications in the automotive industry, mostly in the joining of car body aluminium sheets. To achieve an acceptable joint, key operation and tooling parameters, including set force, die profile, and rivet shape and hardness, should be selected appropriately. To evaluate joint performance, the interlocking parameters and joint strength have to be determined. In the current laboratory and industrial practices, joint quality is assessed according to requirements of individual applications, lacking a systematic assessment method. The goal of the present study is to develop a method to determine the SPR conditions that produce a joint of the best quality, based on an analytic hierarchy process (AHP), which is a methodology for relative measurement. A general AHP model was proposed for analysing SPR and joint performance in different conditions and with an unlimited number of criteria and alternatives. Joints of two layers of 2.5 mm thick AA6082 aluminium sheets in T6 condition were produced using various dies, rivets, and SPR processing conditions. A selection of seven joints, which achieved minimum requirements in terms of interlocking parameters and strength, was nominated for AHP assessment. With the application of six criteria, including head height, bottom thickness, minimum bottom thickness, deformed rivet diameter, shear strength, and peel strength, the AHP assessment was able to define the best conditions for the SPR joining of the aluminium alloy sheets.

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“…Self-piercing riveting (SPR) is one of the main joining methods for aluminium and mixed material structures due to its advantages in clean working environment, ability to join dissimilar materials, low energy requirement and high static and fatigue joint strengths etc. [1].…”

Section: Introductionmentioning

confidence: 99%

“…To find out the influence of surface conditions and friction on SPR setting process and joint strength, some research had been conducted [4][5][6][7] . These research on the influence of surface conditions on SPR joint quality and performance have been reviewed by Li et al [1].…”

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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Self-piercing riveting-a review

Cited by 230 publications

References 132 publications

Dynamic Behavior of Self-Piercing Riveted and Mechanical Clinched Joints of Dissimilar Materials: An Experimental Comparative Investigation

Dynamic Behavior of Self-Piercing Riveted and Mechanical Clinched Joints of Dissimilar Materials: An Experimental Comparative Investigation

Assessment of Self-Piercing Riveted Joints Using the Analytic Hierarchy Process

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

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