Engineering Poster E1: The use of corrosion protection measures to extend the service life of lifting equipment in a marine environment

Abstract

Poster E1

Lifting operations in marine environments pose several challenges of which corrosion and embrittlement of steel components are some of the most important ones from a material property perspective. Corrosion reactions are not only damaging to the surface of the components which can lead to stress raisers and a reduced service life but can also promote hydrogen embrittlement (HE), especially on components that operate in the splash zone. Early warning signs of product failures related to corrosion/embrittlement are almost impossible to detect during normal inspections, and catastrophic failures can result suddenly and without warning. The overarching causes of and preventative measures associated with HE have been identified. However, the positive effects of corrosion protection and an evaluation of the technologies that are available to equipment manufacturers are also important factors to be considered. This paper considers the use of corrosion protection measures and the evolution of those technologies which act as a deterrent against HE, extend the service life of steel alloy lifting equipment, reduce potentially harmful environmental impacts, and ultimately improve the safety aspects of such equipment. The authors use case study tests to argue the benefits of using thermal diffusion zinc coating as the corrosion protective measure that provides a high standard of corrosion protection, mitigation of HE and environmental impacts, and without compromising equipment identification requirements.

To access the poster click the link on the right. To read the full paper click here