2022
DOI: 10.3390/cmd3010007
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Corrosion Fatigue Behavior of Twin Wire Arc Sprayed and Machine Hammer Peened ZnAl4 Coatings on S355 J2C + C Substrate

Abstract: Offshore installations, e.g., offshore wind turbines and pipelines, are exposed to various mechanical loads due to wind or waves and corrosive loads such as seawater or mist. ZnAlbased thermal sprayed coatings, often in conjunction with organic coatings, provide sufficient corrosion protection and are well established for applications in marine environments. In this study, machine hammer peening (MHP) is applied after twin wire arc spraying to improve corrosion fatigue behavior through increased hardness, redu… Show more

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Cited by 5 publications
(2 citation statements)
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“…COTECMAR (Science and Technology Corporation for the Development of the Naval Maritime and Fluvial Industry), as an institution representing the Colombian naval industry, installed TWAS equipment (SYSTEM EUTECTIC 4 ® ) at the Bocagrande plant located in the city of Cartagena to spray commercial coatings such as 530AS ® , 560AS ® , and 140MCX ® . Its purpose is to combine this type of coating to increase the useful life of its naval components in terms of resistance to corrosion and wear, as is often performed in offshore installations with organic coatings, which provide sufficient protection against corrosion and are well-established for applications in marine environments, including post-treatments that increase corrosion resistance [19].…”
Section: Introductionmentioning
confidence: 99%
“…COTECMAR (Science and Technology Corporation for the Development of the Naval Maritime and Fluvial Industry), as an institution representing the Colombian naval industry, installed TWAS equipment (SYSTEM EUTECTIC 4 ® ) at the Bocagrande plant located in the city of Cartagena to spray commercial coatings such as 530AS ® , 560AS ® , and 140MCX ® . Its purpose is to combine this type of coating to increase the useful life of its naval components in terms of resistance to corrosion and wear, as is often performed in offshore installations with organic coatings, which provide sufficient protection against corrosion and are well-established for applications in marine environments, including post-treatments that increase corrosion resistance [19].…”
Section: Introductionmentioning
confidence: 99%
“…Conventional methods for reducing residual stresses, such as stress relief heat treatment, are only conditionally suitable for a broad range of tungsten carbide-based hard coatings and are not commonly used. Furthermore, as demonstrated for arc-sprayed metallic coatings (e.g., ZnAl coating), the MHP allows the densification of the coating's microstructure [52] and reveals the potential to increase the fatigue and corrosion fatigue resistance of the coating-substrate composite [53,54]. Among others, hybrid process strategies such as thermally assisted MHP are also being investigated to increase the capabilities of the machining process [52].…”
Section: Introductionmentioning
confidence: 99%