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    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)

    Coatings and Linings: Metallic Coatings for Structural Steel in Marine Environments

    Published: January 01, 2019
    Author(s): Oladis Troconis de Rincón, FNACE, Orlando Salas, and Nathalie Romero, Universidad del Zulia, Centro de Estudios de Corrosión, Cuidad Universitaria, Maracaibo, Zulia, Venezuela Ivan Lasa, Matthew Duncan, and Jenny Guan, Florida Department of Transportation, Corrosion Research Laboratory, Gainesville, Florida, USA

    This article discusses a comparative evaluation of the performance of various types of protective coatings available for the corrosion protection of structural steel components located in marine environments. An inorganic zinc primer, thermally applied zinc...

    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)

    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)

    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)

    NACE Standard TM0112-2018 Standard Test Method: Test to Determine the Potential Corrosion Effects of Ballast Water Treatment Systems on Ballast Tanks (NACE International)

    Published: October 12, 2018

    Ballast water carried by ships keeps them upright during loading and offloading operations and provides balance, stability, and trim during sailing. Because ballast water is loaded from the surrounding port or coastal waters, organisms in the ballast water...

    Standard from NACE Standards (NACE International)

    Coatings and Linings: Coating Application to Minimize Hydrogen Cracking in Gas Dehydration Units

    Published: August 01, 2018
    Author(s): Cesar Espinoza, Sudhakar Mahajanam, and Ryan DuBois, Pinnacle Advanced Reliability Technologies, Pasadena, Texas, USA

    Volumetric ultrasonic thickness measurements performed on the absorber column of a gas dehydration unit found several laminations and inclusion clusters around the chimney tray. This unit had been in operation for 40 years. A fitness-for-service analysis found...

    Journal article from Materials Performance, Volume 57, No. 8, August 2018 (NACE International)

    Material Matters: June 2018

    Published: June 01, 2018

    Articles include: Pipeline Research Council Opens Test Facility for Inline Inspection Data, Artificial Neural Network Developed to Monitor Conditon of Tank Coatings, Buried Nails Resist Corrosion for 2,000 Years

    Journal article from Materials Performance, Volume 57, No. 6, June 2018 (NACE International)

    Coatings and Linings: Performance Testing of Coating Systems Using Complex Test Panels

    Published: June 01, 2018
    Author(s): William D. Corbett, KTA-Tator, Inc., Pittsburgh, Pennsylvania, USA

    Industrial infrastructure is far from uniform and rarely completely flat, yet the industrial coatings used to protect steel structures from corrosion are frequently tested only on flat panels. This raises the question: can coating performance be accurately...

    Journal article from Materials Performance, Volume 57, No. 6, June 2018 (NACE International)