...Maryam Eslami, PhD; Daniel Ellis; Vivek Pachchigar; Rebekah Wilson; Mohan Sankaran; Daniel V. Krogstad An atmospheric-pressure, microwave-powered plasma process was used for surface cleaning and fabrication of Zr, Si, and Zr/Si-based bilayer conversion coatings on mild steel for corrosion...

..., inducing damage of the aluminum alloy structural components. Corrosion damage can be slowed down through the use of coatings applied to the cathode or anode in a galvanic assembly to attempt to remove one of the four galvanic corrosion requirements. This work focuses on comparing two commercially-available...

...Srikanth Kambhampati; Qing Cao; Varun Ghodkay; Hanan Farhat; Thunyaluk Pojtanabuntoeng Coatings can protect metallic substrates (e.g., piping, vessels, tubes, etc.) against corrosion attack. The adhesion strength of a coating to its substrate is an essential factor that defines the overall coating...

... phenomena in different microenvironments and formulate adequate protection measures. In this study, three microenvironments were selected and categorized according to ISO-12944-2 standard as C5-I and C5-M. Four multilayer-coating schemes were used on each exposure site to evaluate their performance...

... with these lubricants, a special hydrophobic modifier namely fluorophosphonic acid (FPA) was applied. FPA forms a thin monolayer by binding with iron atoms, ²⁵ and hydrophobicity was confirmed by measuring the contact angle of water on a smooth FPA-coated iron substrate: 98±3°. Following FPA deposition...

...Michael Höhlinger; Mark Bruns; Lukas Dahlem; Sannakaisa Virtanen Developing appropriate and functional coatings for Mg alloys, such as WE43, in view of controlling the degradation rate in biodegradable applications, requires a realistic understanding of the corrosion processes. While conventional...

..., necessitating the use of corrosion-resistant coatings. Samples were exposed in 288°C water with 2 ppmw dissolved oxygen to simulate boiling water reactor (BWR) normal water chemistry (NWC) and 288°C water with 150 ppbw dissolved hydrogen to simulate BWR hydrogen water chemistry. Several candidate coatings were...

...Yan-qi Wang; Gang Kong; Chun-shan Che The corrosion behavior of Zn-0.2%Al, Zn-0.5%Mg, and Zn-0.5%Mg-0.2%Al coatings in simulated concrete pore solution was studied by energy dispersive spectrometry (EDS), scanning electron microscopy, x-ray photoelectron spectroscopy (XPS), and potentiodynamic...

...Atousa Plaseied; Allen Skaja; Ramanathan Lalgudi; Christine Henderson Self-healing polymeric coatings have offered tremendous potential for repairing damage and extending the service life and safety of metallic structures. There have been many challenges associated with the catalyst activated...

... and propagation, surface microstructure, and electron transfer kinetics. The effectiveness of various protection schemes including coatings, inhibitors, and treatments has also been assessed. A comprehensive review of corrosion papers involving SECM from 1993 to present has been compiled with works broken down...

...G.S. Dhole; G. Gunasekaran; R. Baloji Naik; Madhu Vinjamur An epoxy resin based corrosion sensing coating was prepared by modifying epoxy resin with varying amounts of 1,10-phenanthroline-5-amine. The modified epoxy resins were characterized by spectroscopic methods (Fourier transform infrared...

...Leena Vuori; Harri Ali-Löytty; Kimmo Lahtonen; Markku Hannula; Elina Lehtonen; Yuran Niu; Mika Valden Thin organic coatings (TOC) or paints on hot dip galvanized steel (HDGS) improve the corrosion properties and create visually pleasing surfaces. Delamination of these coatings leads to corrosion...

...Leanne Petry; Douglas C. Hansen Analysis of a magnesium-rich primer (MgRP) and a full chromate coating system on AA2024-T3 panels exposed at two field sites, Pt. Judith, RI and a University Oceanographic Laboratory Ship (UNOLS) based out of Seattle, WA, for 2 y were compared to identical samples...

... with 70 wt% Zn afforded short-term sacrificial protection to the metallic substrate, followed by intermediate barrier protection. Furthermore, it was found that the presence of CNTs in the coating system with 70 wt% Zn enhanced the electrical contact between the zinc particles and the carbon steel surface...

...Xiaolei Guo; Belinda Hurley; Rudolph G. Buchheit The present work provides a one-step method of encapsulating a corrosion inhibitor, NaVO₃, relevant to protection of AA2024-T3, into hollow microparticles. By dispersing these microparticles into a PVB coating, the encapsulated...

.... The electrochemical measurements showed higher corrosion resistance of the modified particles than the unmodified ones. The effects of the addition of unmodified and modified pigments on the corrosion protection properties of the epoxy coating were also studied by EIS and salt spray test. It was shown...

...Pan Ren; Shenglong Zhu; Fuhui Wang A dense nanocomposite coating of Ni+CrAlYSiHfN was prepared on superalloy K417G by reactive magnetron sputtering. The coating was mainly composed of nanocrystalline γ-Ni, hcp-AlN, Cr₂N, and CrN. Isothermal oxidations were performed at 900°C and 1,000°C...

...Sandeep Chawla; Joe Payer; Carla Giai A fault tree methodology has been used to analyze the combinations of basic factors involved in fungal degradation and corrosion. The purpose was to demonstrate the identification of mitigation actions for reducing the risk of fungal corrosion of coated...

...Dongyun Yu; Jintao Tian; Jinhui Dai; Xin Wang The anticorrosion behavior of the superhydrophobic composite coating in sterilized seawater is investigated using x-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy-dispersive spectroscopy...

...D. Grigoriev; D. Akcakayiran; M. Schenderlein; D. Shchukin Development of materials possessing the ability to recover their main function(s) in response to destructive impacts is, today, one of most rapidly growing fields in material science. In particular, protective organic coatings...