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Title: Fatigue Initiation in Adhesively Bonded Structures
Author: Solana, Alejandro Graner
Awarding Body: University of Surrey
Current Institution: University of Surrey
Date of Award: 2008
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The objective of this research was to find patterns of fatigue initiation in adhesively bonded structures. Fatigue initiation plays a very important role in the useful. life of any structure, but it is a difficult phenomenon to quantify. Three types of aluminium-FM73M single lap joints (SL1) were tested in tensile mode at different loads. The damage was recorded using the backface strain technique. Six strain gauges (SGs) were installed to record damage. Several types of tests were performed: tests to failure, tests to limited damage and sectioning, and tests to limited damage and a residual strength test. The tests to failure were performed to obtain backface strain patterns. The specimens tested to limited damage were sectioned, polished and inspected under a microscope to study how the damage affected the adhesive. The tests to limited damage, followed by a static test to failure, were carried out to find the effect of damage on the static strength.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available