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dc.contributor.advisorKeshavanarayana, Suresh R.
dc.contributor.authorRaghavan, Bharadwaj Veera
dc.descriptionThesis (M.S.)--Wichita State University, College of Engineering, Dept. of Aerospace Engineering.en_US
dc.description.abstractThe adhesively bonded layered aluminum is used in aircraft structures to avoid knife edge situations when flush head fasteners are used with minimum gage skins. Due to the countersunk hole and adhesive bonding, stress flow becomes more complicated. Extensive knowledge of the different parameters that affect the behavior of the bonded joints with countersunk holes is essential for dependable and effective design. A 3-D finite element model was used to estimate the location and magnitude of stress concentration under remote tension for the aforementioned problem. The influence of the various parameters on stress concentration was investigated for a counter sunk angle of 100º. Different parameters such as ratio of young‟s modulus of adhesive to aluminum, position of adhesive layer, countersunk sunk depths, ratio of thickness to radius and ratio of width to radius have been addressed in this study. The stress flow varies significantly when the plates are filled with fasteners of different pre-tension loads. Also the effects of pre-tension loading were compared for the cases of open hole and fastener filled hole without pre-tension for bonded, monolithic and straight shank hole. The results obtained from the finite element analysis for the monolithic cases have been validated against those reported in literature.en_US
dc.format.extentxvii, 90 p.en
dc.publisherWichita State Universityen_US
dc.rights© Copyright 2011 by Bharadwaj Veera Raghavan. All rights reserveden
dc.subject.lcshElectronic dissertationsen
dc.titleStress concentrations due to countersunk holes in adhesively bonded bi-layered aluminum subjected to tensile loadingen_US

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  • AE Theses and Dissertations
    Electronic copies of theses and dissertations defended in the Department of Aerospace Engineering
  • CE Theses and Dissertations
    Doctoral and Master's theses authored by the College of Engineering graduate students
  • Master's Theses
    This collection includes Master's theses completed at the Wichita State University Graduate School (Fall 2005 -- current) as well as selected historical theses.

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