Application of Tailor Heat Treated Blanks technology in a joining by forming process

Graeser, Matthias; Wiesenmayer, Sebastian; Mûller, Martín; Merklein, Marion

doi:10.1016/j.jmatprotec.2018.09.006

Cited by 30 publications

(26 citation statements)

References 22 publications

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“…Due to the higher ductility of HCT780X the cutting strokes are in general higher for this material than for 22MnB5. Thus, the anvil already reaches its hard stop, when the die-sided sheet is cut and the influence of the punch-sided sheet material is reduced [16]. On the other hand, beside the increased cutting stroke s C , there is also an enhancement of the cutting force F C for the combination AA5182-O and 22MnB5.…”

Section: Fundamental Mechanisms In Shear-clinchingmentioning

confidence: 99%

Fundamental mechanisms and their interactions in shear‐clinching technology and investigation of the process robustness

Wiesenmayer

Han

Mûller

et al. 2019

Materialwissenschaft Werkst

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was das Fügen artungleicher Werkstoffe mit stark unterschiedlichen mechanischen Eigenschaften ermöglicht. Aus der Kombination der Teilprozesse Schneiden und Fügen ergibt sich eine erhöhte Komplexität. Innerhalb der vorliegenden Arbeit werden daher grundlegende Mechanismen beim Schneidclinchen und deren Wechselwirkung sowie die Robustheit des Prozesses untersucht, um die Anwendbarkeit der Technologie zu verbessern. Schlüsselwörter: Fügen / Schneidclinchen / Multi-Material Design / Werkzeug / Prozessrobustheit 2 3 4 5 6 7 8

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Section: Fundamental Mechanisms In Shear-clinchingmentioning

confidence: 99%

Fundamental mechanisms and their interactions in shear‐clinching technology and investigation of the process robustness

Wiesenmayer

Han

Mûller

et al. 2019

Materialwissenschaft Werkst

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“…With the development of clinching technology, the concept of clinching connection technology is constantly expanding. Based on this technology, hole-clinching [7][8][9], shear-clinching [10][11][12][13][14][15][16], friction-stir clinching [17][18][19][20][21], clinching-welding technology [22][23][24], and clinch-bond composite technology [25,26] have been developed and applied. The materials have been extended from carbon steel and aluminum alloy to new types of refractory materials such as high-strength steel [27][28][29][30][31][32][33], titanium alloy, and magnesium alloy, which present special advantages in the connection between a metal and a non-metal (carbon fiber and polymer [34][35][36][37][38][39][40][41][42][43][44][45][46]).…”

Section: They Installed Industrial Robots With Clinching Devices Tomentioning

confidence: 99%

The State of the Art of Finite Element Analysis in Mechanical Clinching

Zhang

Peng

et al. 2021

Int. J. of Precis. Eng. and Manuf.-Green Tech.

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Clinching technology is a mechanical connection technology that is applied to connect metal or non-metal sheet materials. It is widely used in different applications, such as automobile, aircraft, household appliances and other industries. In order to reduce weight, save energy, reduce fuel consumption, reduce pollution and curb global warming, lightweight structures with clinched joint are increasingly used in transportation. The finite element technology is popularized in engineering, so that it can get similar results with the test after investing less time, manpower, energy and material resources, which is conducive to the prediction and smooth progress of the test. A review of the finite element analysis of clinching technology is provided in the present paper. The article's work also discusses the strength of the clinched joint, the factors influencing the clinched joint's strength, the failure mechanism of the clinched joint, etc. Furthermore, the novel technologies of clinching as well as the finite element models and methods used in clinching, are introduced. The present paper's main objective was to review the recent developments in the finite element analysis of clinching and provide a basis for further investigation in this area of research.

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“…9 Consequently, high-strength aluminum alloys, like AA7075 in the artificially aged T6 condition, may not be joined on the punch-side. 10…”

Section: Introductionmentioning

confidence: 99%

“…Due to the formation of precipitations, the time window for the performance of the joining process is limited. 16 Graser et al 10 it was shown, that the joinability of AA7075 T6 in shear-clinching processes can be granted by heating up the sheet to at least 300 °C for 1 s in order to partially dissolve precipitations and reduce the initial flow stress. By locally limiting the heat treatment to the joint area, the material flow may be positively affected.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the joinability of the high-strength aluminum alloy AA7075 in shear-clinching processes

Wiesenmayer

Merklein

2021

Proceedings of the Institution of Mechanical Engineers, Part L:

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Shear-clinching has proven to be a suitable technology for joining of high-strength materials. However, the mechanical properties of the upper joining partner are limited due to the high strains, which occur during the process. Therefore, shear-clinching of the high-strength aluminum alloy AA7075 in the T6 temper is not possible. Yet, the mechanical properties of hardenable alloys of the 7000 series can be influenced by a heat treatment. Thus, within the scope of this work, the joinability of the high-strength alloy AA7075 in shear-clinching processes in dependance of its temper is investigated. The as fabricated state F, the artificially aged T6 temper, a paint baked state and the naturally aged T4 temper are compared to the fully solution annealed W temper as well as to a retrogression heat-treated state. For retrogression heat treatment, a laser is used as heat source, heating up the alloy for a short term in order to only partially dissolve precipitations. The resulting mechanical properties are determined with uniaxial tensile tests. Moreover, the influence of the mechanical properties of AA7075 on the shear-clinching process, the joint formation and the resulting joint strength is analyzed.

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Application of Tailor Heat Treated Blanks technology in a joining by forming process

Cited by 30 publications

References 22 publications

Fundamental mechanisms and their interactions in shear‐clinching technology and investigation of the process robustness

Fundamental mechanisms and their interactions in shear‐clinching technology and investigation of the process robustness

The State of the Art of Finite Element Analysis in Mechanical Clinching

Investigation of the joinability of the high-strength aluminum alloy AA7075 in shear-clinching processes

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