On self magnetic flux leakage in support of fatigue crack monitoring in ship and offshore structures

A numerical, experimental, and full-scale application study

Doctoral thesis (2018)

Authors

M.P. van der Horst Ship Hydromechanics and Structures - Mechanical, Maritime and Materials Engineering
Research Group
Ship Hydromechanics and Structures (Mechanical, Maritime and Materials Engineering) (TU Delft)
Copyright: © 2018 M.P. van der Horst
DOI: https://doi.org/10.4233/uuid:93d317bf-05b7-45cb-b616-28a076506d45
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Published Date

2018

Language

English

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Faculty

Mechanical, Maritime and Materials Engineering

Department

Marine and Transport Technology

Research Group

Ship Hydromechanics and Structures

Abstract

Ship and offshore structures are prone to fatigue damage as they are cyclically
loaded by waves. Therefore, regular inspection is needed in order to confirm adequate structural integrity throughout the entire service life of the structure. Detected fatigue cracks that are too long for safe operation need to be repaired. Detected cracks of acceptable length need to be at least inspected more frequently. These inspections are costly, time consuming, and hazardous, so additional inspections on top of the periodical class approval surveys are to be avoided if possible.