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May 2013 · Energy-Tech Magazine
February 2012 Go to Page 1 2 3
Field trials of nanocoatings to prevent erosion damage in steam turbine valves
A close-up look of a valve stem after nanocoating.
A close-up look of a valve stem after nanocoating.


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In a future article, EPRI will provide updates on the performance of this technology and additional installations. The current report, Nanostructured Coatings for Improved Erosion Resistance of Valve Stem Materials: Field Test Trials (EPRI document 1021802), is available free to funders of EPRI’s Fossil Materials & Repair program, or can be purchased by contacting the EPRI Customer Assistance Center at 800-313-3774.


John Shingledecker is a senior project manager in the Major Component Reliability research area of the Electric Power Research Institute (EPRI). He is the leader of EPRI’s Program 87, Fossil Materials and Repair, which provides the power industry with material use and selection guidelines, welding and repair solutions, corrosion mitigation methodology and remaining life tools to increase plant availability, reduce failures and improve efficiency. Shingledecker has published more than 30 articles and papers on the metallurgy and behavior of high-temperature engineering alloys. He is a member of and technical advisor for the U.S. Department of Energy/OCDO Advanced Ultrasupercitical (A-USC) Steam Boiler and Turbine Consortia. He also is a member of the American Society for Materials (ASM) and a committee member on the American Society for Mechanical Engineers (ASME) Boiler and Pressure Vessel Code (Section II – Materials). He holds a bachelor’s degree and master’s degree in materials science and engineering from Michigan Technological University. You may contact him by e-mailing editorial@woodwardbizmedia.com.

 
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