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Metals 2016, 6(12), 312; doi:10.3390/met6120312

Fretting Behavior of SPR Joining Dissimilar Sheets of Titanium and Copper Alloys

Innovative Manufacturing Research Centre, Kunming University of Science and Technology, Kunming 650500, China
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Academic Editor: Mark T. Whittaker
Received: 18 October 2016 / Revised: 2 December 2016 / Accepted: 2 December 2016 / Published: 9 December 2016
(This article belongs to the Special Issue Titanium Alloys 2017)
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Abstract

The fretting performance of self-piercing riveting joining dissimilar sheets in TA1 titanium alloy and H62 copper alloy was studied in this paper. Load-controlled cyclic fatigue tests were carried out using a sine waveform and in tension-tension mode. Scanning electron microscopy and energy-dispersive X-ray techniques were employed to analyze the fretting failure mechanisms of the joints. The experimental results showed that there was extremely severe fretting at the contact interfaces of rivet and sheet materials for the joints at relatively high loads levels. Moreover, the severe fretting in the region on the locked sheet in contact with the rivet was the major cause of the broken locked sheet for the joints at low load level. View Full-Text
Keywords: titanium alloy; copper alloy; fretting; self-piercing riveting; SEM; EDX titanium alloy; copper alloy; fretting; self-piercing riveting; SEM; EDX
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

He, X.; Deng, C.; Zhang, X. Fretting Behavior of SPR Joining Dissimilar Sheets of Titanium and Copper Alloys. Metals 2016, 6, 312.

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