Corrosion inhibitors are subject of March Virtual Learning Conferences.The FSCT FSCT Federation of Societies for Coating Technology FSCT Fire Support Control Terminal will offer a two-part course on Corrosion Inhibitors as part of its 2006 schedule of Virtual Learning Conferences. On March 9, Dr. Anthony Gichuhi, of Halox will offer "Part I: Fundamental Mechanisms of Inorganic and Organic Corrosion Inhibitors in Paint and Coatings." On March 23, "Part II: Innovative Ways to Overcome Challenges with Replacement of Chromates and Heavy Metals with Nontoxic Corrosion Inhibitors" will be discussed by Dr. Gichuhi. Fundamental Mechanisms of Inorganic and Organic Corrosion Inhibitors in Paint & Coatings March 9, 2006; 2:00-3:30 (ET) This session introduces the concepts of corrosion inhibition mechanisms. It provides fundamentals and common practices used by paint and coating experts to formulate with corrosion inhibitors. Dr. Gichuhi will focus on various mechanisms and provide examples of how understanding mechanisms can be used to solve corrosion problems. Several mechanisms including anodic an·ode n. 1. A positively charged electrode, as of an electrolytic cell, storage battery, or electron tube. 2. The negatively charged terminal of a primary cell or of a storage battery that is supplying current. , cathodic, mixture of both ("ambiodic"), passivation passivation the final stage in instrument manufacture, passing the finished instruments through a bath of nitric acid which removes foreign particles and promotes the formation of a protective coating of chromium oxide. , precipitation, barrier, vapor phase, galvanic, adsorption adsorption, adhesion of the molecules of liquids, gases, and dissolved substances to the surfaces of solids, as opposed to absorption, in which the molecules actually enter the absorbing medium (see adhesion and cohesion). , ion scavenging scavenging of anesthetic. See anesthetic scavenging. and ion exchange are discussed. Also covered are different types of corrosion: galvanic, crevice crevice /crev·ice/ (krev´is) fissure. gingival crevice the space between the cervical enamel of a tooth and the overlying unattached gingiva. crev·ice n. , pitting, filiform filiform /fil·i·form/ (fil´i-form) (fi´li-form) 1. threadlike. 2. an extremely slender bougie. fil·i·form adj. , intergranular microbiological, stress corrosion cracking Stress corrosion cracking (SCC) is the unexpected sudden failure of normally ductile metals or tough thermoplastics subjected to a constant tensile stress in a corrosive environment, especially at elevated temperature (in the case of metals). , and weld seam flash rusting. How inorganic and organic corrosion inhibitors can mechanistically be applied to coatings to adequately counteract corrosion will be demonstrated. Innovative Ways to Overcome Challenges with Replacement of Chromates and Heavy Metals with Nontoxic Corrosion Inhibitors March 23, 2006; 2:00-3:30 (ET) Building on fundamentals, this session addresses the challenges of "green chemistry," replacing heavy metal-based anticorrosives in coatings. The chemical industry is facing strict pressure to decrease both human and environmental exposure to chemicals. Registration, Evaluation & Authorization of Chemicals (REACH) is spearheading the effort to implement a massive regulation that will affect all toxic chemicals. The End-of-Life Vehicles (ELV ELV End-of-Life Vehicles ELV Expendable Launch Vehicle ELV Extra Low Voltage ELV Emission Limit Value (environmental protection) ELV Elektronisches Lastschrift Verfahren (German method of payment) ) Directive (2000/53/EC) passed into European law in 2000 is aimed at reducing waste from ELV and requiring auto makers to consider recovery and recycling of their vehicles during manufacture. Moreover, it restricts use of certain heavy metals (lead, mercury, cadmium, and hexavalent chromium) in vehicles built after July 2003. The recent October 2005 adaptation of European Directive 67/548/EC required that zinc phosphate and zinc oxide products be classified as dangerous to the environment based on the aquatic toxicity of soluble zinc ions. In response to this pressure, the coatings industry is being directed toward replacing heavy metal based anticorrosive pigments with heavy metal-free, nontoxic products. This session highlights ongoing efforts to find suitable alternatives in various coatings including coil coating, wash primers, aerospace coatings, automotive refinish re·fin·ish tr.v. re·fin·ished, re·fin·ish·ing, re·fin·ish·es To put a new finish on (furniture). re·fin , OEM (Original Equipment Manufacturer) The rebranding of equipment and selling it. The term initially referred to the company that made the products (the "original" manufacturer), but eventually became widely used to refer to the organization that buys the products and , and general industrial maintenance. The inherent limitations as well as advantages of "green chemistry" products are discussed. Who Should Attend These courses are geared towards R & D personnel, coatings formulators, corrosion engineers and coating specifiers. Technical representatives from various raw material suppliers to the coatings industry and corrosion testing equipment manufacturers will benefit, as well as users of industrial coatings and governmental personnel specifying or testing protective coatings. About the Instructor Dr. Anthony Gichuhi is R & D Manager for Halox, Hammond, IN. He joined Halox in 2001 as an R & D Scientist. Previously, he worked as a Senior Research Chemist at Argonide Corporation where he helped develop nanomaterials such as nanoaluminum for use in fuel and rocket propellants. Dr. Gichuhi received B.S and Ph.D. Degrees in Chemistry from Auburn University. His educational background focused on electrochemistry electrochemistry, science dealing with the relationship between electricity and chemical changes. Of principal interest are the reactions that take place between electrodes and the electrolytes in electric and electrolytic cells (see electrolysis), as well as the and scanning probe microscopy of semiconductor materials. He has written numerous publications in addition to authoring several patents involving electroless plating and corrosion inhibitor additives for paint and coatings. His primary responsibility has been to develop new corrosion inhibitors for paint and coatings as well as implementation of electrochemical electrochemical /elec·tro·chem·i·cal/ (-kem´i-k'l) pertaining to interaction or interconversion of chemical and electrical energies. e·lec·tro·chem·i·cal adj. techniques such as electrochemical impedance spectroscopy (EIS (1) (Executive Information System) An information system that consolidates and summarizes ongoing transactions within the organization. It provides top management with all the information it requires at all times from internal and external sources. ), polarization resistance, and Tafel analysis to study coatings and corrosion inhibition mechanisms. Dr. Gichuhi is a member of the ASTM/ISO committee involved in standardization of EIS. In addition, he is a member of the Chicago Society for Coatings Technology and the National Association of Corrosion Engineers. Registration EARLY BIRD FEES: Register by March 3 for either course to receive the discounted rate (per course) of: $349 FSCT Member; $399 Nonmember REGULAR FEES: After March 3, the registration fees per course are: $399 FSCT Member; $449 Nonmember Only one fee is charged per location, regardless of the number of participants. To register online, visit the FSCT website, www.coatingstech.org to register online. To register by phone, call 877.894.6876. For more information, contact Education, FSCT, 492 Norristown Rd., Blue Bell, PA 19422-2350; voice: 610.940.0777; fax: 610.940.0292; email: education@coatingstech.org. |
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