Friction stir blind riveting for joining dissimilar cast mg am60 and al alloy sheets

Junying Min; Jingjing Li; Blair E. Carlson; Yongqiang Li; James F. Quinn; Jianping Lin; Weiming Wang

doi:10.1115/1.4030156

Friction stir blind riveting for joining dissimilar cast mg am60 and al alloy sheets

Junying Min, Jingjing Li, Blair E. Carlson, Yongqiang Li, James F. Quinn, Jianping Lin, Weiming Wang

Marcus Department of Industrial and Manufacturing Engineering

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

A new one-sided joining method, friction stirring blind riveting (FSBR) was successfully implemented to form lap-shear joints for dissimilar metals from pairs of 3.05€‰mm thick cast Mg AM60, rolled 1.5€‰mm thick Al AA6022, and extruded 3.15€‰mm thick Al AA6082 specimens. The concept of this process is riveting the two workpieces with reduced force under frictional heat and fastening the workpieces through blind riveting once the rivet is fully inserted. In this research, the process was experimentally analyzed and optimized for four joint combinations. It was demonstrated that switching the positions of Mg and Al alloy specimens has a significant effect on the process window and maximum tensile load of the joints. Three quality issues of the FSBR joints were observed and discussed. During tensile testing, the sheet closer to the rivet tail work-hardens due to tail forming process but has worse loading condition than the sheet closer to the rivet head. For AA6xxx sheets, precipitate hardening due to frictional heat is another strengthening mechanism in FSBR compared to the conventional riveting process, which leads to higher tensile loads in FSBR joints.

Original language	English (US)
Article number	2211807
Journal	Journal of Manufacturing Science and Engineering, Transactions of the ASME
Volume	137
Issue number	5
DOIs	https://doi.org/10.1115/1.4030156
State	Published - Oct 1 2015

All Science Journal Classification (ASJC) codes

Control and Systems Engineering
Mechanical Engineering
Computer Science Applications
Industrial and Manufacturing Engineering

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title = "Friction stir blind riveting for joining dissimilar cast mg am60 and al alloy sheets",

abstract = "A new one-sided joining method, friction stirring blind riveting (FSBR) was successfully implemented to form lap-shear joints for dissimilar metals from pairs of 3.05€‰mm thick cast Mg AM60, rolled 1.5€‰mm thick Al AA6022, and extruded 3.15€‰mm thick Al AA6082 specimens. The concept of this process is riveting the two workpieces with reduced force under frictional heat and fastening the workpieces through blind riveting once the rivet is fully inserted. In this research, the process was experimentally analyzed and optimized for four joint combinations. It was demonstrated that switching the positions of Mg and Al alloy specimens has a significant effect on the process window and maximum tensile load of the joints. Three quality issues of the FSBR joints were observed and discussed. During tensile testing, the sheet closer to the rivet tail work-hardens due to tail forming process but has worse loading condition than the sheet closer to the rivet head. For AA6xxx sheets, precipitate hardening due to frictional heat is another strengthening mechanism in FSBR compared to the conventional riveting process, which leads to higher tensile loads in FSBR joints.",

author = "Junying Min and Jingjing Li and Carlson, {Blair E.} and Yongqiang Li and Quinn, {James F.} and Jianping Lin and Weiming Wang",

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Friction stir blind riveting for joining dissimilar cast mg am60 and al alloy sheets. / Min, Junying; Li, Jingjing; Carlson, Blair E.; Li, Yongqiang; Quinn, James F.; Lin, Jianping; Wang, Weiming.

In: Journal of Manufacturing Science and Engineering, Transactions of the ASME, Vol. 137, No. 5, 2211807, 01.10.2015.

Research output: Contribution to journal › Article › peer-review

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AU - Carlson, Blair E.

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AU - Quinn, James F.

AU - Lin, Jianping

AU - Wang, Weiming

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