With the prospect of travelling and restrictions finally being eased, training at Corrosion House, Northampton, is being considered again, and it is hoped to have to face to face ICATS in the near future.
Online training will also continue as it has proven to be very successful during the pandemic but with the potential of being able to offer an online or face to face training options.
The 2021 ICorr/CORREX audit was carried out virtually at the end of July, and all being well we will pass this surveillance audit with all boxes ticked and systems in place once more. Face to face audits will resume in the last quarter of this year
Some companies require this type of audit for their own management system, and if this refers to your company, please contact me on my normal email address.
Also, we are intending to add to our suite of ICATS courses in the near future,
so watch this space for more information
FinalIy, I hope that the summer proves to be very successful for you all, and the recovery gives you an abundance of projects to work on.
Cavitation erosion and biofouling are the most severe factors of metal materials fatigue failure and degradation in seawater. In a new study, a series of hydrophobic fluorinated polyurethane coatings (SFPU-x) with various contents of fluorinated isocyanate prepolymer (FIP) were synthesised via a simple addition reaction to produce anti-cavitation erosion properties combined with biofouling resistance.
Laboratory testing, especially with the SFPU-5 coating (with 5% FIP) showed excellent antifouling and cavitation erosion resistance abilities due to surface heterogeneity microstructure. Marine field testing for 30 days has also proven the antifouling properties of the SFPU-5 coating. In addition, there were no obvious holes and cracks on the surface of SFPU-5 after 10 h of cavitation.
The study has been published in Progress in Organic Coatings, Volume 151, February 2021.
A recent study focused on molecular design and copolymerisation to enhance the anti-corrosion performance of waterborne acrylic coatings. During the study, acrylic-alkyd copolymers with varied contents of the alkyd copolymer were synthesised by free radical polymerisation in order to create water-borne coatings with distinct molecular structures aimed at enhancing the anti-corrosion performance.
The acrylic-alkyd copolymers were found not only to possess the combined advantages of acrylic and alkyd resins in coating properties such as stability, fast drying and hardness, but also to possess several properties required for enhanced corrosion resistance, especially a higher hydrophobicity of the coating surface, a lower water diffusion coefficient, and a denser network of copolymer films.
These coating properties have led to significant enhancement in the corrosion resistance of these acrylic-alkyd copolymer films, which was confirmed by electrochemical impedance spectra (EIS) and corrosion exposure tests.
The study was published in Progress in Organic Coatings, Volume 154, May 2021.
Novosound, a leading ultrasonic company based in Scotland, has announced it has won its first international honour at the 2021 Materials Performance Corrosion Innovation of the
Year awards.
Organised by the Association for Materials Protection and Performance (AMPP), Novosound received the award in the Testing category for its revolutionary Belenus ultrasound sensor, which provides corrosion monitoring across a variety of structures and environments in a range of industries. Manufactured using its patented, thin-film technology, the Belenus is the world’s first corrosion monitoring sensor that can operate completely soaked in high-temperature atmospheres
up to 400°C for extended periods of time.
By providing highly accurate and real-time corrosion data from remote and inaccessible locations, the Belenus enables power plant, refining, processing, and manufacturing facility owners and operators to detect corrosion in metal pipework and structures early and reliably. This facilitates improved maintenance planning and increases operational efficiency, as corrosion issues can be actioned and mitigated before unexpected failures occur.
Dr Claire Thring, Application Specialist for the sensor, said: “The current limitations of ultrasound probes can be traced back to the core rigid, ceramic, sensor materials used in manufacturing, but by using the patented, flexible, core thin-film material, the Belenus can conform to any surface curvature, andcoupled with its compact size – roughly the size of a car key fob – allows it to be fitted to a range of structures including pipes, storage tanks and pressure vessels, enabling 24/7 asset monitoring.
Winn & Coales International Ltd has announced the acquisition of the global Viscotaq™ business, including Amcorr Products and Services Inc., a manufacturer of viscoelastic protective coatings.
Amcorr Products & Services Inc, based in San Antonio, USA are the formulators and manufacturers of viscoelastic protective coating technology, Viscotaq™. The patented Viscotaq™ product range is used for corrosion prevention and sealing applications on vital infrastructure across a broad range of sectors. The unique, self-healing technology of Viscotaq™ offers asset owners outstanding, long-term protection against corrosion.
Chairman of Winn & Coales International, Mr Chris Winn commented, “The acquisition of Amcorr is particularly exciting for the Company, as the Viscotaq™ product line enhances and complements our existing range of coatings, which are already well established in the market. We are now able to offer all corrosion prevention technologies to our customers, and we look forward to building on our leading brands further with our new colleagues at Amcorr.”
According to Hempel, they provided coatings to protect the Orbital O2 tidal energy turbine, the world’s most powerful tidal turbine. O2 is set to operate at the European Marine Energy Centre (EMEC) in the Orkney Islands in the UK. Around the islands of Orkney, tidal currents can reach over four metres per second, making them some of the strongest in the world. To harness this energy, Orbital’s O2 comprises two 1MW turbines, which together create a 600 m2 rotor area and can generate 2MW of clean, predictable energy. O2 is capable of supplying enough energy to power around 2,000 UK homes.
Hempel have been involved in the project since Orbital’s prototype SR2000 turbine was built in 2015. As well as high-performance anti-corrosion coatings, Hempel has supplied Hempaguard X7 for the O2’s turbine rotor blades. Hempaguard X7 was developed specifically to combat biofouling, such as algae and barnacles.
According to Andrew Scott, CEO of Orbital, collaborations with companies like Hempel have been key to the O2’s development. “We rely heavily on our supply chain to help deliver our pioneering technology such that it exceeds expectations, and in that regard, we are delighted to continue our relationship with Hempel for our novel coating applications”.
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