Subject

XSL Content

Inspection and Survey

General details of the subject

Mode
Face-to-face degree course
Language
English

Description and contextualization of the subject

This subjectaims to provide understanding of threats to offshore structures, the effect of defects and appropriate methods for detection. The majority of the course assesses the threat of corrosion in a marine environment and describes measures for the control of corrosion. In addition, it is also critical to understand the basics of fatigue analysis and fracture mechanics approaches to defect assessment. These aspects are provided in this subject along an appreciation of how material properties and assumptions about properties affect the life cycle and inspection of marine structures and how to assess 'fitness for purpose'

Teaching staff

NameInstitutionCategoryDoctorTeaching profileAreaE-mail
BLANCO ILZARBE, JESUS MARIAUniversity of the Basque CountryProfesorado Titular De UniversidadDoctorNot bilingualFluid Mechanicsjesusmaria.blanco@ehu.eus
EGUIA LOPEZ, PABLOUniversity of the Basque CountryProfesorado AgregadoDoctorNot bilingualElectrical Engineeringpablo.eguia@ehu.eus
MARTINEZ DE ALEGRIA MANCISIDOR, IÑIGOUniversity of the Basque CountryProfesorado AgregadoDoctorBilingualElectronic Technologyinigo.martinezdealegria@ehu.eus

Competencies

NameWeight
Have gained a basic understanding of threats to offshore structures, the effect of defects and appropriate methods for detection15.0 %
Understand the basics of fatigue analysis and fracture mechanics approaches to defect assessment.15.0 %
Appreciate how material properties and assumptions about properties affect the life cycle and inspection of marine structures and how to assess `fitness for purpose¿.15.0 %
Recognise the various way in which the marine environment can induce serious deterioration of structures by different corrosion processes15.0 %
Understand the basics of electro-chemical corrosion of metals15.0 %
Have a critical appreciation of the techniques of control of corrosion in marine engineering equipment25.0 %

Study types

TypeFace-to-face hoursNon face-to-face hoursTotal hours
Lecture-based161632
Seminar305585
Applied classroom-based groups448

Training activities

NameHoursPercentage of classroom teaching
Classroom/Seminar/Workshop30.0100 %
Expositive classes16.0100 %
Groupwork55.00 %
Reading and practical analysis4.00 %
Solving practical cases4.0100 %
Systematised study16.00 %

Assessment systems

NameMinimum weightingMaximum weighting
Practical tasks0.0 % 100.0 %
Solving practical cases0.0 % 100.0 %
Written examination0.0 % 100.0 %

Temary

Lesson 1 Course introduction ¿ Fracture

- Introduction to the module

- Fracture mechanics and crack growth

- Failure Assessment Diagrams

Lesson 2 Marine corrosion

- Basic aspects of corrosion relevant to the marine environment

- Features of aqueous corrosion

- Factors determining corrosion rates

Lesson 3 Aspects of seawater characteristics relevant to corrosion

- Seawater characteristic s including

pH

Dissolved gases

Organic material

Water depth

Lesson 4 General surface corrosion

- Anodic and cathodic reactions and influencing factors

- Corrosion in ships

- Corrosion in oil and gas production systems

Lesson 5 Fatigue

- Fatigue analysis

Cycle counting

S-N fatigue assessment

Lesson 6 Localised corrosion

- Localised corrosion mechanisms including:

Galvanic corrosion

Crevice corrosion

Intergranular corrosion

Microbiologically influenced corrosion

Stray current corrosion

Erosion/corrosion and cavitation

SCC and hydrogen embrittlement

Lesson 7 Inspection methodologies

- Introduction to weld defects

- Inspection techniques for different defects

Lesson 8 Tutorial session

Bibliography

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