Study on failure mechanism of mechanical clinching in aluminium sheet materials

Yue Zhang, Xiaocong He, Yifeng Wang, Yi Lu, Fengshou Gu, Andrew Ball

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Mechanical clinching is a connection technology that is widely used in different industrial fields because it has several advantages, including easy preparation, an excellent fatigue property and environmental friendliness. In this study, tensile-shear tests and fatigue tests were conducted to characterize the mechanical properties of clinched joints using aluminium alloys. The experimental results showed that the fracture regions were concentrated in the indentations of the lower sheets. The failed surfaces were examined using a scanning electron microscope and an energy-dispersive X-ray machine to study the fretting fatigue failure mechanisms of the clinched joints. Two types of fretting wear modes were observed: the neck fretting wear mode and indentation-surrounding fretting wear mode. The results also showed that the proportions of these two fretting wear modes could be impacted by the applied load levels.

Original languageEnglish
Pages (from-to)3057-3068
Number of pages12
JournalInternational Journal of Advanced Manufacturing Technology
Volume96
Issue number9-12
Early online date28 Feb 2018
DOIs
Publication statusPublished - 1 Jun 2018

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Aluminum sheet
Wear of materials
Fatigue of materials
Indentation
Aluminum alloys
Electron microscopes
Scanning
X rays
Mechanical properties

Cite this

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title = "Study on failure mechanism of mechanical clinching in aluminium sheet materials",
abstract = "Mechanical clinching is a connection technology that is widely used in different industrial fields because it has several advantages, including easy preparation, an excellent fatigue property and environmental friendliness. In this study, tensile-shear tests and fatigue tests were conducted to characterize the mechanical properties of clinched joints using aluminium alloys. The experimental results showed that the fracture regions were concentrated in the indentations of the lower sheets. The failed surfaces were examined using a scanning electron microscope and an energy-dispersive X-ray machine to study the fretting fatigue failure mechanisms of the clinched joints. Two types of fretting wear modes were observed: the neck fretting wear mode and indentation-surrounding fretting wear mode. The results also showed that the proportions of these two fretting wear modes could be impacted by the applied load levels.",
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Study on failure mechanism of mechanical clinching in aluminium sheet materials. / Zhang, Yue; He, Xiaocong; Wang, Yifeng; Lu, Yi; Gu, Fengshou; Ball, Andrew.

In: International Journal of Advanced Manufacturing Technology, Vol. 96, No. 9-12, 01.06.2018, p. 3057-3068.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Study on failure mechanism of mechanical clinching in aluminium sheet materials

AU - Zhang, Yue

AU - He, Xiaocong

AU - Wang, Yifeng

AU - Lu, Yi

AU - Gu, Fengshou

AU - Ball, Andrew

PY - 2018/6/1

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N2 - Mechanical clinching is a connection technology that is widely used in different industrial fields because it has several advantages, including easy preparation, an excellent fatigue property and environmental friendliness. In this study, tensile-shear tests and fatigue tests were conducted to characterize the mechanical properties of clinched joints using aluminium alloys. The experimental results showed that the fracture regions were concentrated in the indentations of the lower sheets. The failed surfaces were examined using a scanning electron microscope and an energy-dispersive X-ray machine to study the fretting fatigue failure mechanisms of the clinched joints. Two types of fretting wear modes were observed: the neck fretting wear mode and indentation-surrounding fretting wear mode. The results also showed that the proportions of these two fretting wear modes could be impacted by the applied load levels.

AB - Mechanical clinching is a connection technology that is widely used in different industrial fields because it has several advantages, including easy preparation, an excellent fatigue property and environmental friendliness. In this study, tensile-shear tests and fatigue tests were conducted to characterize the mechanical properties of clinched joints using aluminium alloys. The experimental results showed that the fracture regions were concentrated in the indentations of the lower sheets. The failed surfaces were examined using a scanning electron microscope and an energy-dispersive X-ray machine to study the fretting fatigue failure mechanisms of the clinched joints. Two types of fretting wear modes were observed: the neck fretting wear mode and indentation-surrounding fretting wear mode. The results also showed that the proportions of these two fretting wear modes could be impacted by the applied load levels.

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