Materials Performance

OCT 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 MATERIALSPERFORMANCE: VOL. 57, NO. 10 37 B ack in 1943, NACE International was established in Houston, Texas by 11 engineers focused on cathodic protection (CP) to address metal pipe- line degradation. Now 36,000+ members strong, NACE has evolved into a worldwide organization that is involved in every industry and area of corro- sion prevention and control. This year NACE has been celebrating its 75th anniversary, a milestone made possible by the knowledge, expertise, and con- tinued support of its members from around the globe. After honoring NACE's history over the last year with classic MP articles from the past, guest editori- als from NACE Past Presidents and Fellows, content about NACE's evolution across all activities, and more, this issue of MP is dedicated to the future of corrosion control as seen by many experts in the field. In this article, six pan- elists share their predictions on where the corrosion industry is going in the next 25 years and beyond. They are Nick Birbilis, College of Engineering and Computer Science, Australian National University; Rick Eckert, DNV GL; Fred Goodwin, BASF; John R. Scully, Materials Science and Engineering, University of Virginia, and CORROSION technical editor-in-chief; Neil G. Thompson, DNV GL; and Jack Tinnea, MP technical editor. (See p. 47, "Meet the Panelists.") NICK BIRBIL IS When considering the important future developments in the industry of cor- rosion control, the prospects are as complex as they are plentiful. Identifying such prospects requires one to zoom out a little from the technological question (i.e., what will the future of corrosion control resemble?), and con- sider the key factors or indicators that can be rationally identified as signifi- cant in influencing the future of corrosion control. Such factors include, but are not limited to the following. Legislation Undoubtedly the unpredictability of politics is something we are constantly reminded of. In many cases, the most (financially and socially) significant decisions when it comes to corrosion control are often placed in the hands of lawmakers. Two significant examples include the phasing out and imminent replacement of chromate-containing corrosion preventative compounds, 1 and the long-term disposal plans for nuclear waste. In the case of chromate replacement, some nations and industries are somewhat more advanced than others; however, it is fair to say that no equivalent (and broadly applica- ble) alternatives have been found to date—such that the corrosion protec- tion regimes we will see for everything from galvanized garden sheds to the next commercial jetliner are yet to be determined (let alone their long-term durability). The issue of nuclear waste storage varies from nation to nation for countries with nuclear power generation; however, the world is watching for a long-term strategy in the United States, which is yet to be determined following the shelving of the Obama-era Yucca Mountain Repository project. New Alloys/Materials The development of new materials is now occurring at a pace greater than ever before. In part, computation has allowed materials design to evolve from what was historically plant trials to documented demonstrations of desktop alloy design with industrial utility. 2 Alloy development has come so far since the second world war that a catchphrase of the automotive indus- try is "nearly all the alloys used in an automobile are different each 10 years"—meaning that materials we seek to protect are also always evolving. In fact, even in what is considered a very conservative industry—the aircraft industry—the change in the dominant structural alloy of commercial aircraft has also seen an active evolution from the aluminium alloys AA7022, to AA7079, to AA7075, to AA7050, to AA7150, to AA2050—all in the past five decades alone. This latter example relating to the evolution of aircraft alloys is an example of changing the alloy used in order to improve durability

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