Materials Performance Supplements

October Calendar 2018

Materials Performance is the world's most widely circulated magazine dedicated to corrosion prevention and control. MP provides information about the latest corrosion control technologies and practical applications for every industry and environment.

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OCTOBER 2018 WWW.MATERIALSPERFORMANCE.COM 48 problems are typically just thrown away because removing the epoxy is likely to damage the windings. In another area of potting and/or coating electrical components, epoxies, silicones, polyurethanes, polysulfides, and cyanoacrylates are used to pro- tect printed circuit boards as are plasma and vapor applied coatings. Vapor phase corrosion inhibitors are also used. Remote monitoring of major infrastructure elements often requires sen- sors to be embedded in concrete for as much as 80 years or more. To date, the published literature includes more than a few discussions of such embedded sensors failing in much less than that time interval. 11-13 Achieving highly reliable embeddable sensors to fit the demands placed by 100-year infrastructure service lives might be facilitated through cross-pollenating. Perhaps by treating first with a vapor phase inhibitor, followed by potting with a material that provides good wetting characteristics to give excellent penetration, and that followed by a hydrophobic and/or alkaline-resistant coating would do the trick. Conclusion I believe that we are just at the start of an era of tremendous advances in our understanding of materials science. The next quarter century will bring not only amazing advances in materials themselves but in miniaturization that will greatly extend our ability to monitor and understand. Not all the real "wow" moments in technical advancement are in the past. There are infinite possibilities for similar breakthroughs for generations to come. REF ERENCE S 1 O. Gharbi, S. Thomas, C. Smith, N. Birbilis, "Chromate Replacement: What Does the Future Hold?" Materials Degradation 2, 1 (2018): p. 12. 2 https://www.questek.com/example-projects.html (accessed September 10, 2018). 3 Y. Qiu, S. Thomas, M.A, Gibson, H.L. Fraser, N. Birbilis, "Corrosion of High Entropy Alloys," Materials Degradation 1, 1 (2017): p. 15. 4 M. Liu, Y. Guo, J. Wang, M. Yergin, "Corrosion Avoidance in Lightweight Materials for Automotive Applications," Materials Degradation 2, 1 (2018): p. 24. 5 B. Hou, X. Li, X. Ma, C. Du, D. Zhang, M. Zheng, W. Xu, D. Lu, F. Ma, "The Cost of Corrosion in China," Materials Degradation 1, 1 (2017): p. 4. 6 ACI 365.1R-00, "Service-Life Prediction—State-of-the-Art Report" (Farmington Hills, MI: American Concrete Institute). 7 F. Moradi, Dehghanian, "Addition of IrO 2 to RuO 2 + TiO 2 Coated Anodes and its Effect on Electrochemical Performance of Anodes in Acid Media," Progress in Natural Science Materials International, Elsevier 24 (2014), p. 136. 8 Up Front, "X-Ray Microscopy Platform Probes Material Composition," MP 57, 5 (2018): p. 11. 9 B. Valdez, M. Schorr, R. Salinas, "Food Industry : Equipment, Materials, and Corrosion," MP 57, 5 (2018): p. 42. 10 A.M. El-Sherik, H.A. Ahwad, "Sour Corrosion: A Review of Current Gaps and Chal- lenges," MP 57, 5 (2018): p. 49. 11 C. Andrade, I. Martinez, "Embedded Sensors for the Monitoring of Corrosion Parame- ters in Concrete Structures," Non-Destructive Testing in Civil Engineering Conference Proceedings (Nates, France: 2009). 12 K.R. Larsen, "Evaluating Sensors to Monitor Steel Corrosion in Concrete Structures," MP 55 (2016). 13 S.K. Lee, et al., "Corrosion Monitoring of World's Largest Tidal Power Plant," MP 57, 11 (2018) (in press). MP

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