Clinching process for joining dissimilar materials: state of the art

Eshtayeh, M. M.; Hrairi, Meftah; Mohiuddin, A. K. M.

doi:10.1007/s00170-015-7363-0

Cited by 100 publications

(38 citation statements)

References 46 publications

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“…The clinching process requires a force that depends on the material properties and the size of the tool (punch a die). Since there is no heat generated during the process, clinching is considered to be a cheap and flexible method [60].…”

Section: Clinching Processmentioning

confidence: 99%

Wear of Shaped Surfaces of PVD Coated Dies for Clinching

Džupon

Kaščák

Spišák

et al. 2017

Metals

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Abstract:A clinching method that uses a simple toolset consisting of a punch and a die, is utilized for joining lightweight materials. This paper is aimed at investigating the wear of the die cavity of a clinching tool. A clinching tool with a specially shaped cavity was used for joining thin hot-dip galvanized steel sheets. Various types of physical vapour deposition (PVD) coatings such as ZrN, CrN and TiCN were deposited on the shaped surface of the die using Lateral Rotating Arc-Cathodes technology. Hot-dip galvanized steel sheets were used for testing the clinching tool. The material properties of PVD coatings that were deposited on the shaped part of the clinching die were evaluated. Finite Element Analysis was used to localize the area of the shaped part of the die and the part of surface area of the cylindrical die cavity of ϕ 5.0 mm, in which high contact pressure values were predicted. The prediction of the start of the wear cycle was verified experimentally by the clinching of 300 samples of hot-dip galvanized steel sheets. Unlike the CrN and ZrN coatings, the TiCN coating remained intact on the entire surface of the die.

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Section: Clinching Processmentioning

confidence: 99%

Wear of Shaped Surfaces of PVD Coated Dies for Clinching

Džupon

Kaščák

Spišák

et al. 2017

Metals

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“…Mechanical clinching is another mechanical joining technology [11]. There is a huge difference between clinching and self-pierce riveting, and the biggest difference is that mechanical clinching 2 of 13 does not use rivet [12].…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Restored Joint for Aluminum Alloy

Chen

Zhang

Peng

et al. 2020

Metals

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In recent years, the mechanical clinching method plays an increasingly important role in the building of thin-walled structures. The clinched joint can be employed to join the lightweight materials. Compared with other joining methods, the clinched joint has better mechanical behavior. However, the clinched joint may be deformed during use when it bears a high shear force. In this research, a process to join aluminum alloy and restore deformed joint was proposed and investigated. The clinched joint was deformed in the deforming process. Then, a customized rivet and two flat restoring tools were utilized for restoring the deformed joint to join aluminum alloy. Different restoring forces such as 45, 40, 35, 30, 25, and 20 kN were employed to produce diverse restored joints. Some shearing tests on the restored joint were utilized for understanding joint material flow, mode of failure, thickness of neck, shear strength, and absorption of energy. The thickness of neck can be increased in restoring process, which contributes to improve the shear strength. The rivet embedded in a pit also helps restored joint bear shear force, so all of the restored joints have higher absorption of energy and shear strength than the clinched joints. The restoring process effectively restores the deformed joint to obtain better mechanical behavior.

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“…The mechanical joining methods usually require careful alignment of holes between the parts to be joined, and this is considered a challenging task in automation. Alternatively, mechanical fasteners without requiring a pre-hole, such as self-piercing rivet (SPR) [14,15], clinching [16,17], and flow drill screw (FDS) [18], are being increasingly adopted in mass production of multi-material lightweight vehicles.…”

Section: Introductionmentioning

confidence: 99%

Self-Piercing Riveted Joint of Vibration-Damping Steel and Aluminum Alloy

et al. 2019

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In this study, the self-piercing rivet (SPR) joining of vibration-damping steel and aluminum alloy (Al5052-H32) is successfully carried out, for the first time to our knowledge, and the effects of die type and joint configuration on the mechanical performance, failure mode, and geometrical characteristics of the new joint are investigated. The vibration-damping steel and Al5052-H32 SPR joint exhibits the largest tensile–shear load when a flat die is used. An increase in the die taper angle and diameter decreases the mechanical performance of the joint due to the increase in volume of the die, leading to a smaller interlock width of the joint. The joint configuration with Al5052-H32 as a top sheet has superior mechanical performance compared with the reverse configuration, owing to the increase of the interlock width. All SPR joints of vibration-damping steel and Al5052-H32 show consistent rivet pull-out failure, regardless of the joint configuration, because of relatively small interlock width. It is also found that these SPR joints show better mechanical performance than those of SPFC590DP (a skin material of the vibration-damping steel) and Al5052-H32 under the Al5052-H32–top configuration.

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Clinching process for joining dissimilar materials: state of the art

Cited by 100 publications

References 46 publications

Wear of Shaped Surfaces of PVD Coated Dies for Clinching

Wear of Shaped Surfaces of PVD Coated Dies for Clinching

Investigation of the Restored Joint for Aluminum Alloy

Self-Piercing Riveted Joint of Vibration-Damping Steel and Aluminum Alloy

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