Engineers, corrosion

Fontana M G 1986 Corrosion Engineering (New York McGraw-Hiii)... 

Zsklarska-Smialowska Z 1986 Pitting Corrosion of Metals (Flouston, TX National Association of Corrosion Engineers)... 

R. H. Leitheiser, K. B. Bo2er, and D. D. Watson, Turan TesinsforFRP Composites, National Association of Corrosion Engineers, Annual Meeting, San Erancisco, Calif., Mar. 14—18, 1977. 

Technical Practices Committee, Materials Peformance, Vol. 15, National Assoc, of Corrosion Engineers, Houston, Tex., 1976, pp. 4, 13. 

Corrosion Data Survey, Metals Section, 5th ed. and 6th ed.. National Association of Corrosion Engineers, Houston, Texas, 1974 and 1985, p. 6 and p. 

P. J. Grobner, D. L. SponseUer, and D. E. Diesburg, Paper No. 40, in CorrosionI78, International Corrosion Eomm, sponsored by the National Association of Corrosion Engineers, Mar. 1978. 

R. D. Cooks, Materials of Construction for Nitric Mcid, Process Industries Corrosion, National Association of Corrosion Engineers, 1986, pp. 259—263. 

Design parameters as a function of temperature and design temperature limits are set forth in the ANSI/ASME B31 Piping Codes for a very broad range of materials. These codes, and the additional information available from manufacturers, vendors, and technical societies such as the National Association of Corrosion Engineers provide ample data for the selection of materials for piping systems (1—13). 

R. J. I In dinger and R. M. Curran, Experience with Stress Corrosion Cracking in Earge Steam Turbines, Corrosion 81, National Association of Corrosion Engineers, Toronto, Ontario, Canada, 1981. 

D. Fyfe and co-workers. International Corrosion Forum Corrosion 75, Paper No. 63, Toronto, National Association of Corrosion Engineers (NACE), Houston, Texas, 1975. 

The Corrosion ofNickel-ContainingFlloys in Sulfuric Fcid and delated Compounds, Corrosion Engineering Bulletin CEB-1, Inco Alloys International, Huntington, W.Va., 1983. 

R. Baboian, ed.. Electrochemical Techniques in Corrosion Engineering, NACE, Houston, Tex., 1986. 

Corrosion Resistance oflSlickel-ContainingMllojs in PhosphoricMcid, International Nickel Company Corrosion Engineering Bulletin CEB-4, International Nickel Co., New York, 1961, p. 15. 

Y"et, corrosion engineering and science is no longer an empirical art dissecting a large corrosion problem into its basic mechanisms allows the use of quite sophisticated electrochemical techniques to accomplish satisfactory results. On that positive side, there is real satisfaction and economic gain in designing a component that can resist punishing seiwice conditions under which other parts fail. In some cases, we cannot completely prevent corrosion, but we can try to avoid obsolescence or the component due to corrosion. 

To obtain the corrosion current from Rp, values for the anodic and cathodic slopes must be known or estimated. ASTM G59 provides an experimental procedure for measuring Rp. A discussion or the factors which may lead to errors in the values for Rp, and cases where Rp technique cannot be used, are covered by Mansfeld in Polarization Resistance Measurements—Today s Status, Electrochemical Techniques for Corrosion Engineers (NACE International, 1992). 

Making use of the information from monitoring probes, combined with the storage and analysis capabilities of portable computers and microprocessors, seems the best method for understanding corrosion processes. Commercial setups can be assembled from standard probes, cables, readout devices, and storage systems. When these are coupled with analysis by corrosion engineers, the system can lead to better a understanding of in-plant corrosion processes. 

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