SYMPOSIA PAPER Published: 01 January 1992

Cyclic Creep Effects in Single-Overlap Bonded Joints Under Constant-Amplitude Testing


The effects of temperature/humidity exposure on the cyclic-creep behavior of metal-to-metal adhesively bonded single-overlap joints have been investigated. Three adhesives, a toughened epoxy, a vinyl/epoxy, and an epoxy/acrylic, were studied in the ambient condition and after being exposed to a temperature/humidity environment. Results show environmental exposure can increase the minimum creep rate of overlap bonded joints as much as 80%. In addition, small variances in maximum stress can significantly increase the minimum creep rate. A technique is described for extrapolating long-term cyclic creep from short duration test results.

Author Information

Chernenkoff, RA
Ford Motor Company, Dearborn, MI
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Developed by Committee: E08
Pages: 190–204
DOI: 10.1520/STP15348S
ISBN-EB: 978-0-8031-5212-0
ISBN-13: 978-0-8031-1444-9