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    Materials Selection and Design: Corrosion Damage Repairs to the Arvida Aluminum Bridge

    Published: January 01, 2019
    Author(s): Frank N. Smith, Consultant, Kingston,Ontario, Canada

    During its first 34 years in service, Canada’s Arvida Aluminum Bridge sustained some corrosion damage that required repair work in the 35th and 36th years. After a further ~30 years in service, the bridge was inspected to determine the effectiveness and longevity...

    Journal article from Materials Performance, Volume 58, No. 1, January 2019 (NACE International)

    Chemical Treatment: Struvite Scale Control for Wastewater Application

    Published: January 01, 2019
    Author(s): Zahid Amjad, FNACE, Dept. of Chemistry, Division of Mathematics and Sciences, Walsh University, North Canton, Ohio, USA Peter G. Koutsoukos, Dept. of Chemical Engineering, University of Patras, Patras, Greece

    This article evaluates various polymers of different architecture as struvite scale inhibitors for wastewater application. The results reveal that polymer performance as a struvite inhibitor is strongly affected by polymer architecture. Overall performance...

    Journal article from Materials Performance, Volume 58, No. 1, January 2019 (NACE International)

    Materials Matters: 2019

    Published: January 01, 2019

    Articles include: Portable Electrochemical Noise Measurement Assesses In-Service Protective Coatings; Inorganic Coating System Halts Corrosion Under Insulation in Oil, Gas Assets; A Rock-Like Coating That Can Protect for Decades

    Journal article from Materials Performance, Volume 58, No. 1, January 2019 (NACE International)

    Cathodic and Anodic Protection: Comparison of Cathodic Disbondment Test Methods

    Published: January 01, 2019
    Author(s): Grace Weber, Bobbi Jo Merten, and Jessica D. Torrey, Dept. of the Interior, Bureau of Reclamation, Denver Federal Center, Denver, Colorado, USA

    Protective coatings and cathodic protection (CP) are commonly used together as a means of corrosion defense for buried or immersed metallic structures. However, CP can have detrimental effects on the coating itself if not properly applied. Cathodic disbondment...

    Journal article from Materials Performance, Volume 58, No. 1, January 2019 (NACE International)

    Feature Article: Challenges in the Air

    Published: January 01, 2019
    Author(s): Kathy Riggs Larsen

    Despite Hurricane Harvey hitting mid-project, two elevated water storage tanks are successfully coated and protected against corrosion for the next two decades.

    Journal article from Materials Performance, Volume 58, No. 1, January 2019 (NACE International)

    Material Matters: December 2018

    Published: December 01, 2018

    Articles include: New Research Finds Better Predictors of Stress Corrosion Cracking, Fabrication Practices to Mitigate Risks of Corrosion Cracking in Refinery Units, The Humble Building Material that Shelters Millions Across the Globe

    Journal article from Materials Performance, Volume 57, No. 12, December 2018 (NACE International)

    Cathodic and Anodic Protection: Effect of Volatile Corrosion Inhibitors on Cathodic Protection

    Published: December 01, 2018
    Author(s): Khalil M. Abed, Cortec Middle-East, Dubai, United Arab Emirates Calvin R. Pynn, Prydwen International, Inc., Collingwood, Ontario, Canada

    Volatile corrosion inhibitors (VCIs) and cathodic protection (CP) are applied jointly to effectively mitigate corrosion in both the electrolytic and vapor-phase exposures on the soil-side of tank bottoms. The electrochemical characteristics of available VCI...

    Journal article from Materials Performance, Volume 57, No. 12, December 2018 (NACE International)

    Chemical Treatment: Underdeposit Corrosion in Crude Tower Overheads

    Published: December 01, 2018
    Author(s): Sudhakar Mahajanam and Fred Addington, Pinnacle Advanced Reliability Technologies, Pasadena, Texas, USA Amanda Barba, The University of Texas Health Science Center, Houston, Texas, USA

    Ammonium chloride (NH4Cl) corrosion is an aggressive form of localized, underdeposit corrosion commonly found in overhead equipment and piping associated with crude units. This happens when ammonia (NH3) and hydrochloric acid (HCl) in the vapor react to form...

    Journal article from Materials Performance, Volume 57, No. 12, December 2018 (NACE International)

    Corrosion Management: Sour Environment Underdeposit Corrosion Behavior of a Carbon Steel

    Published: December 01, 2018
    Author(s): Nayef M. Alanazi and A.M. El-Sherik, Research & Development Center, Saudi Aramco, Dhahran, Saudi Arabia

    This article presents the effect of the deposition of sand and actual field sludge on the corrosion mechanism of API 5L X60 carbon steel in sour environments. Underdeposit corrosion of X60 was studied underneath the sand- or field-collected sludge deposits in a...

    Journal article from Materials Performance, Volume 57, No. 12, December 2018 (NACE International)

    Coatings and Linings: Development of WC-Ni cermet Brazing Process


    Author(s): Hyung Goun Joo, School of Mechanical Engineering, Yonsei University, Seoul, South Korea Kang Yong Lee, State Key Laboratory of Structural Analysis for Industrial Equipment, Department of Engineering Mechanics, Dalian University of Technology, Liaoning, People’s Republic of China Guo Ming Luo and Da Quan Zhang, Department of Environmental Engineering, Shanghai University of Electric Power, Shanghai, People’s Republic of China

    A cermet is a metallic matrix with dispersed ceramic particles. Tungsten carbide dispersed in nickel (WC-Ni) is a cermet. This article discusses WCNi brazing on the surface of an impeller to improve wear and corrosion resistance. The coating was applied in a...

    Journal article from Materials Performance, Volume 57, No. 9, September 2018 (NACE International)