Evaluation of protective coatings for offshore applications. Corrosion and tribocorrosion behavior in synthetic seawater

López-Ortega, A.; Bayón, R.; Arana, J.L.

doi:10.1016/j.surfcoat.2018.06.089

Cited by 80 publications

(37 citation statements)

References 47 publications

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“…ISO 2063 and AWS C2.23, mention that the thickness of sealants should not exceed 40 µm. López-Ortega et al [2,50] conducted a series of experiments in which arc-sprayed aluminium with an organic topcoat (epoxydic paint [51]) on high strength, low alloy steel R4 grade was studied. Based on weathering aging tests in different climatic cabinets, as well as immersion tests and tribocorrosion tests in artificial seawater, it was concluded that this duplex system exhibits good corrosion and tribocorrosion properties.…”

Section: Effect Of Sealingmentioning

confidence: 99%

Sacrificial Thermally Sprayed Aluminium Coatings for Marine Environments: A Review

2020

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One of the corrosion mitigation methods that is used for the protection of steel operating in seawater environments involves the application of sacrificial metallic coatings (such as aluminium, zinc, and their alloys). This paper reviews current knowledge about thermally-sprayed (TS) and cold-sprayed (CS) Al coatings for the corrosion protection of steel. It also summarises the key findings of the substantial amount of work that has been devoted to understanding mechanisms and the parameters that control the performance of TS Al coatings, such as the spraying method and its parameters like coating thickness and the application of sealer. The paper includes suggestions for areas of further research that could lead to the development of more resilient and longer-lasting coatings, based on the results from both laboratory and field tests that have been published in the literature. It also highlights the need for conducting simulated laboratory tests at conditions of intended service and the importance of long-term testing.

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Section: Effect Of Sealingmentioning

confidence: 99%

Sacrificial Thermally Sprayed Aluminium Coatings for Marine Environments: A Review

2020

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“…The electrodes are connected to a potentiostat to register the potential between the reference electrode and the working electrode or the current between the counter-electrode and the working electrode. A typical tribocorrosion test setup is schematically shown in Figure 4 [7][8][9][10][11][12][13][14][15][16].…”

Section: Tribocorrosion Testersmentioning

confidence: 99%

“…In order to protect steels in mooring lines of floating structures, it has been developed some surface treatments based on thermally sprayed aluminum (TSA) coating with and without post-treatment by plasma electrolytic oxidation (PEO). In Figure 17(j), it can be highlighted the reduction of wear scar after tribocorrosion tests, can be highlighted and produced when the TSA coating on the steel is additionally treated by plasma electrooxidation (Figure 17(jb)) [15,16].…”

Section: Tribocorrosion In Marine and Offshore Environmentsmentioning

confidence: 99%

“…The authors made special mention to those members of the tribology team, that completed their Doctoral Thesis for their contribution to the knowledge generated: Bihotz Pinedo (Tribology of seals 2016) [23][24][25]27], Borja Zabala (high Temperature Tribology (eg. moulds, engines) 2017) [20,22,42,43,46,52], Francesco Pagano, (tribology of ionic liquids and vacuum tribology, 2017) [2-4, 13, 57-65], Beatriz Fernandez-Diaz (tribology of polymers, 2017) [28,34,63], Virginia Saenz de Viteri (biotribology, 2016) [30,31,56,57], Sofia Alves (dental tribology, 2017) [58], Cristina Cerrillo (ecotoxicity of nanoparticles, 2016) [71][72][73][74][75], Ainara López (marine and off shore tribology, 2018) [12][13][14][15][16]. Also, to all the members of the tribology team that dedicate their professional work to tribology activity Elena Fuentes [17,18,30,40,56,57], Xana Fernandez [9, 11, 29, 31, 46-48, 54, 65], Gemma Mendoza [5,11,32,49,50,60,63,[71]…”

Section: Acknowledgementsmentioning

confidence: 99%

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Tribology: The Tool to Design Materials for Energy-Efficient and Durable Products and Process

Igartua¹,

Bayón²,

Aranzabe³

et al. 2019

Friction, Lubrication and Wear

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This chapter describes a summary of the main tribological achievements carried out in TEKNIKER during the last 37 years. It covers the description of commercial and newly developed tribological test benches and case studies for a wide variety of applications. The examples refer to different tribological characterization tools for material selection (e.g., composition, surface treatments, lubricants). It makes emphasis in the failure mechanisms (pitting, scuffing, abrasion, adhesion, thermal fatigue, tribocorrosion, etc.) and friction simulation of a wide range of materials (seals, textiles, steels, cast iron, light alloys, ceramic, composites), tribological systems (mechanical components, biomaterials, tribolubrication), and environments (vacuum, ultrahigh vacuum, low or high temperature, and corrosive). A huge range of new testing equipment and protocols have been developed to simulate the mentioned failure mechanisms and working environments. This knowledge will make possible, in the future, to simulate at laboratory a still wider list of tribological systems and develop new standards. Tribology will help to implement materials solutions into energy and resource efficient products and process, to reduce carbon footprint.2 with more than 250 scientific contributions in congresses, journals, and books and 3 patents. It has been active in several international working groups and associations, in some of them, acting as Spanish representative:• The COST 516 about tribology (1995)(1996)(1997)(1998)(1999)(2000) • The COST 532 about tribotechnology of engines and transmissions

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“…The selected coatings are commercial coatings that are currently used in the protection of steel submerged components in mooring line systems. In a previous work, the corrosion and tribocorrosion (wear+corrosion) behavior of the three coatings was evaluated [20]. Furthermore, the characterization of the coatings—in terms of thickness, hardness, porosity, and microscopic analysis of the morphologies—was included in the first part of this work [20].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of Protective Coatings for High-Corrosivity Category Atmospheres in Offshore Applications

2019

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The interest in renewable energies obtained from the resources availed in the ocean has increased during the last few years. However, the harsh atmospheric conditions in marine environments is a major drawback in the design of offshore structures. The protective systems that are employed to preserve offshore steel structures are regulated by several standards (ISO 12944, NORSOK M-501), which classify the corrosivity category of offshore installations as C5-M and Im2. In this work, three coatings employed in offshore components protection have been evaluated according to these standards by performing weathering aging tests in different climatic cabinets. The coatings studied were a thermally sprayed carbide coating with an organic sealant (C1), a thermally sprayed aluminum (TSA) coating with an organic topcoat (C2), and an epoxydic organic coating reinforced with ceramic platelets (C3). The only coating that reached the higher categories in all the tests was the C2 coating. The C1 coating presented ferric corrosion products coming from the substrate in some of the tests, and blistering was detected in the C3 coating.

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Evaluation of protective coatings for offshore applications. Corrosion and tribocorrosion behavior in synthetic seawater

Cited by 80 publications

References 47 publications

Sacrificial Thermally Sprayed Aluminium Coatings for Marine Environments: A Review

Sacrificial Thermally Sprayed Aluminium Coatings for Marine Environments: A Review

Tribology: The Tool to Design Materials for Energy-Efficient and Durable Products and Process

Evaluation of Protective Coatings for High-Corrosivity Category Atmospheres in Offshore Applications

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