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Environment-Assisted Corrosion of Offshore Wind Turbine Structures: A Framework and Fatigue Curves
Offshore wind energy is identified as one of the most dominant renewable energy sources in Europe. The offshore wind turbine supporting structures are subjected harsh environmental conditions. Environmental assisted corrosion damage and degradation play a big role in structural integrity and service life these structures. Therefore, this paper presents a conceptual framework to assess the structural integrity due to stress-corrosion cracking, hydrogen embrittlement and corrosion fatigue. Forms of corrosion which are applicable to wind turbine structures are identified and classified according to different zones of the structure. The effects of these forms of corrosion are discussed. An approach to recognizing the environment-assisted damage is presented based on their mechanisms. Challenges behind assessing corrosion fatigue damage of offshore wind turbine structures are presented as separate section and new S-N curve is introduced to assess the fatigue life of welded tubular joints of the structure. The validity of the curve is confirmed by comparing experimental fatigue lives.
Environment-Assisted Corrosion of Offshore Wind Turbine Structures: A Framework and Fatigue Curves
Offshore wind energy is identified as one of the most dominant renewable energy sources in Europe. The offshore wind turbine supporting structures are subjected harsh environmental conditions. Environmental assisted corrosion damage and degradation play a big role in structural integrity and service life these structures. Therefore, this paper presents a conceptual framework to assess the structural integrity due to stress-corrosion cracking, hydrogen embrittlement and corrosion fatigue. Forms of corrosion which are applicable to wind turbine structures are identified and classified according to different zones of the structure. The effects of these forms of corrosion are discussed. An approach to recognizing the environment-assisted damage is presented based on their mechanisms. Challenges behind assessing corrosion fatigue damage of offshore wind turbine structures are presented as separate section and new S-N curve is introduced to assess the fatigue life of welded tubular joints of the structure. The validity of the curve is confirmed by comparing experimental fatigue lives.
Environment-Assisted Corrosion of Offshore Wind Turbine Structures: A Framework and Fatigue Curves
Structural Integrity
Pavlou, Dimitrios (editor) / Correia, Jose A.F.O. (editor) / Fazeres-Ferradosa, Tiago (editor) / Gudmestad, Ove Tobias (editor) / Siriwardane, Sudath C. (editor) / Lemu, Hirpa (editor) / Ersdal, Gerhard (editor) / Liyanage, Jayantha P. (editor) / Hansen, Vidar (editor) / Minde, Mona Wetrhus (editor)
Olympiad in Engineering Science ; 2023 ; Aldemar Olympian Village, Greece
Analytical and Experimental Methods in Mechanical and Civil Engineering ; Chapter: 38 ; 497-506
Structural Integrity ; 28
2024-02-01
10 pages
Article/Chapter (Book)
Electronic Resource
English
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