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Metals 2019, 9(3), 359; https://doi.org/10.3390/met9030359

Structural Stress Method to Evaluate Fatigue Properties of Similar and Dissimilar Self-Piercing Riveted Joints

1
CanmetMATERIALS, 183 Longwood Road South, Hamilton, ON L8P 0A5, Canada
2
Ford Research and Innovation Center, Ford Motor Company, Dearborn, MI 48124, USA
*
Author to whom correspondence should be addressed.
Received: 31 January 2019 / Revised: 13 March 2019 / Accepted: 14 March 2019 / Published: 20 March 2019
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Abstract

In this paper, we discuss the application of a simple Battelle structural stress model to evaluate the fatigue life of a self-piercing riveted (SPR) carbon-fiber-reinforced polymer (CFRP) composite to aluminum AA6111. The analytical model accounts for the forces and moments acting on the rivets to determine the structural stresses which were then plotted against the laboratory-generated fatigue life data. The master S-N curve determined in this study thus accounts for various factors such as the stacking configuration, rivet head height, and fatigue load ratios. The analytical model used in this study was able to collapse a large number of fatigue life data into one master S-N curve irrespective of stack-ups, rivet head height, and load ratios. Thus, the master S-N curve derived from the model can be used to predict the fatigue life of the SPR joints. View Full-Text
Keywords: structural stress; self-piercing rivet; fatigue strength; aluminum alloys; carbon fiber reinforced plastic; dissimilar joints structural stress; self-piercing rivet; fatigue strength; aluminum alloys; carbon fiber reinforced plastic; dissimilar joints
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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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Rao, H.M.; Kang, J.; Huff, G.; Avery, K. Structural Stress Method to Evaluate Fatigue Properties of Similar and Dissimilar Self-Piercing Riveted Joints. Metals 2019, 9, 359.

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