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CROWN Project Examines TSA Coating for Offshore Wind

Tuesday, February 13, 2018

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The Welding Institute, working in conjunction with companies such as LIC Energy and Ørsted, is developing a lower cost corrosion management system for offshore wind turbines as part of a larger project geared toward extending wind turbine service life and using numerical design modeling.

The £1.2 million ($1.6 million) project, known as Cost Reduction for Offshore Wind Now, is partially focused on developing a thermally sprayed aluminum coating for offshore wind turbines, as an alternative to conventional protection based on paint and anodes, as part of the lower cost corrosion management system development goal.

 Leonard G, CC-SA-1.0, via Wikmedia Commons

The Welding Institute, working in conjunction with companies such as LIC Energy and Ørsted, is developing a lower cost corrosion management system for offshore wind turbines as part of a larger project geared toward extending wind turbine service life and using numerical design modeling.

CROWN Project

Funded by British government entity Innovate UK, CROWN’s goals include:

  • Demonstrating that a 25-year service life is still possible for wind turbines even with a TSA coating that has been mechanically damaged;
  • Numerical design modeling that incorporates TSA and lifecycle cost modeling;
  • Mechanical piling damage assessment and mudline corrosion assessment; and
  • Manufacturing sequence and productivity.

According to TWI, the Instiute has dedicated laboratories for electrochemical and direct exposure small scale tests, as well as larger facilities for testing specimens under load in sweet conditions and seawater, the latter of which includes cathodic protection. TWI also has laboratories for H2S sour service testing.

TWI’s Henry Begg will present key project outcomes the 4th International Conference on Corrosion Protection for Offshore Wind in Bremen in March.

   

Tagged categories: Aluminum; Coating Materials; Coatings Technology; Corrosion protection; Research and development; Thermal spray

Comment from Tim Monaghan, (2/13/2018, 6:49 AM)

The catholic protection properties of Thermal spray applied correctly over properly prepared substrate is second to none. The use of pure aluminum or pure zinc or a combination of both is a debatable subject, however, the long term benefit from any choice is not. TSA is, hands down, the best answer to this corrosion question.


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