Search Results - "Bierwagen, Gordon. P."

Sol–gel coatings on metals for corrosion protection by Wang, Duhua, Bierwagen, Gordon. P.

“…Sol–gel protective coatings have shown excellent chemical stability, oxidation control and enhanced corrosion resistance for metal substrates. Further, the…”
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SVET method for characterizing anti-corrosion performance of metal-rich coatings by Yan, Maocheng, Gelling, Victoria J., Hinderliter, Brian R., Battocchi, Dante, Tallman, Dennis E., Bierwagen, Gordon P.

“…The galvanic interaction between a metal-rich coating and the underlying metal substrate was characterized by a new analysis method based on the scanning…”
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Studies of a new accelerated evaluation method for coating corrosion resistance — thermal cycling testing by Bierwagen, Gordon P, He, L, Li, J, Ellingson, L, Tallman, D.E

“…A long time is often needed to differentiate the corrosion protection afforded by coatings systems, especially for high performance samples. Accelerating…”
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Degradation of Magnesium-Rich Primers over AA2024-T3 During Constant Immersion in Different Solutions by Lin, Junren, Battocchi, Dante, Bierwagen, Gordon P

“…Degradation of Mg-rich primer (MgRP) during constant immersion in 1 wt% NaCl solution and in dilute Harrison's solution was compared. The effects of different…”
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Flow accelerated degradation of organic clear coat: The effect of fluid shear by Zhou, Qixin, Wang, Yechun, Bierwagen, Gordon P.

“…•Degradation mechanism of organic coatings exposed to fluid flow is investigated.•The property of working fluid is characterized by FTIR and…”
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(Mg rich primer-powder topcoat) coating system for the corrosion protection of Al alloys by Lin, Junren, Orgon, Casey, Battocchi, Dante, Bierwagen, Gordon P.

“…•Powder topcoats were applied on top of MgRPs for the first time.•(MgRP-powder topcoat) coating system provided much longer corrosion protection time to Al…”
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Aluminum alloy 2024-T3 protection by magnesium-rich primer with chromate-free metal salts by Merten, Bobbi Jo E., Battocchi, Dante, Bierwagen, Gordon P.

“…•Improved AA 2024-T3 protection shown by Li2CO3, Mg(NO3)2, and Mg containing primer.•Li2CO3, Mg(NO3)2, and Mg film reduced blistering and corrosion in 1600hrs…”
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Inhibitors for prolonging corrosion protection of Mg-rich primer on Al alloy 2024-T3 by Lin, Junren, Battocchi, Dante, Bierwagen, Gordon P.

“…This research investigated the possibility of adding inhibitors into magnesium-rich primer (MgRP) to prolong the corrosion protection time of MgRP on Al alloy…”
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Influence of the composition of working fluids on flow-accelerated organic coating degradation: Deionized water versus electrolyte solution by Zhou, Qixin, Wang, Yechun, Bierwagen, Gordon P.

“…► Deionized water with various flow rates is used to accelerate coating degradation. ► Electrochemical impedance spectroscopy is used to quantify coating…”
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Hydrogen Evolution and Early Blistering from Magnesium-Rich Primers on AA2024-T3 by Lin, Junren, Upadhyay, Vinod, Qi, Xiaoning, Battocchi, Dante, Bierwagen, Gordon P.

“…Early blistering was observed on topcoated magnesium-rich primers (MgRPs) over AA2024-T3 substrate under constant immersion or constant salt spray tests…”
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Environmental humidity influence on a topcoat/Mg-rich primer system with embedded electrodes by Upadhyay, Vinod, Allahar, Kerry N., Bierwagen, Gordon P.

“…•Electrochemical response of paint films on a metal substrate to changing humidity was measured by embedded sensors.•In-situ electrochemical impedance…”
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The effect of exposure condition on the degradation behavior of magnesium rich coatings by DeRosa, Rebecca L., Szabo, Istvan, Bierwagen, Gordon P., Battocchi, Dante

“…•Corrosion protection mechanisms for MgRC is controlled by exposure conditions.•Different mechanisms occur for 90% RH versus constant immersion conditions.•90%…”
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Understanding ac–dc–ac accelerated test results by Allahar, Kerry N., Bierwagen, Gordon P., Gelling, Victoria Johnston

“…The ac–dc–ac accelerated testing method is an unconventional method that involves subjecting organic coatings on metallic substrates to cycles of cathodic…”
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Random and systematic error as a function of sample area in electrochemical impedance spectroscopy data by Bonitz, Verena S., Hinderliter, Brian R., Bierwagen, Gordon P.

“…•Tedlar® model films can be used to study errors sources in EIS measurements.•Random error in the EIS data was larger for small sample areas.•The dielectric…”
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Nanocomposite of polypyrrole and alumina nanoparticles as a coating filler for the corrosion protection of aluminium alloy 2024-T3 by Tallman, Dennis E., Levine, Kirill L., Siripirom, Chavanin, Gelling, Victoria G., Bierwagen, Gordon P., Croll, Stuart G.

“…Aluminium (Al) alloys such as 2024-T3 are widely used in industry as low weight construction materials with excellent mechanical properties. Until recently…”
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Role of oxygen in the galvanic interaction between polypyrrole and aluminum alloy by Yan, Maocheng, Tallman, Dennis E., Bierwagen, Gordon P.

“…Conjugated polymers continue to be of interest as possible corrosion-control coatings for metal alloys. In this work, electrochemical interactions between…”
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In situ monitoring of a Mg-rich primer beneath a topcoat exposed to Prohesion conditions by Wang, Duhua, Battocchi, Dante, Allahar, Kerry N., Balbyshev, Seva, Bierwagen, Gordon P.

“…Mg-rich primers have been proven to be an adequate alternative for chromate-based coatings for the protection of aluminum alloys from corrosion. The…”
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Mott–Schottky analysis of aluminium oxide formed in the presence of different mediators on the surface of aluminium alloy 2024-T3 by Levine, Kirill L., Tallman, Dennis E., Bierwagen, Gordon P.

“…Corrosion protection of aluminium (Al) alloys is an important industrial problem. In the past it was solved with hexavalent chromium (Cr 6+) coatings. However,…”
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Preliminary investigation of the impact of polymer composition on electrochemical properties of coatings as determined by electrochemical impedance spectroscopy by Upadhyay, Vinod, Harkal, Umesh D., Webster, Dean C., Bierwagen, Gordon P.

“…The influence of structural and systematic compositional variations in glycidyl carbamate (GC) functional polymers on the electrochemical properties of their…”
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A new acceleration factor for the testing of corrosion protective coatings: flow-induced coating degradation by Wang, Yechun, Bierwagen, Gordon P.

“…For corrosion protective coatings that are designed to give lifetimes of protection that may extend to 50 years, valid accelerated test methods are necessary…”
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