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Fatigue design of tensile loaded bolted joints
Linköping University, Department of Management and Engineering, Solid Mechanics. Linköping University, The Institute of Technology.
2012 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Bolted joints are frequently used in aeroplanes, but there is no commonly accepted method for how to carry out fatigue calculations for tensile loaded bolted joints. In this master thesis, the effect of various parameters on the fatigue life of bolted joint will be studied. An important part of the thesis is to investigate what data is currently available at the company, and which tests that is required to fill up the gaps in the fatigue database.

A literature survey of different models for performing fatigue calculations for tensile loaded bolted joints showed, as mentioned above, that no common method exists. In general, the method to solve the problem is based on advice and guidance from various experts at the company, and usage of data etc. from different articles in the subject.

The parametric study showed that methods could be formulated for some parameters, while others parameters needed more testing before methods could be formulated with confidence. These gaps in the fatigue database need to be filled by more testing before the methodology to be implemented for calculating the fatigue life for tensile loaded bolted joints. A continuation study, for further investigating of factors that may influence the fatigue life, is also proposed.

Place, publisher, year, edition, pages
2012. , 41 p.
Keyword [en]
fatigue, design, tensile loaded, bolted joints, bolts
National Category
Applied Mechanics
URN: urn:nbn:se:liu:diva-78860ISRN: LIU-IEI-TEK-A--12/01288--SEOAI: diva2:536283
External cooperation
Saab Aeronautics
Subject / course
Solid Mechanics
2012-06-14, A31, Linköping universitet, SE-581 83, Linköping, 14:31 (Swedish)
Available from: 2012-08-16 Created: 2012-06-21 Last updated: 2012-08-16Bibliographically approved

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Sandgren, Emil
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Solid MechanicsThe Institute of Technology
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