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    Coatings & Linings: Geopolymer Lining Corroded Reinforced Concrete Sanitary Sewer Pipes

    Published: May 01, 2019
    Author(s): Joseph R. Royer, Milliken Infrastructure Solutions, LLC, Spartanburg, South Carolina, USA

    Many utilities are seeking innovative sewer rehabilitation technologies, particularly for large-diameter pipes. This article describes the demonstration of corrosion testing for a spray-applied geopolymer mortar during the rehabilitation of a 1.5-m (60-in)...

    Journal article from Materials Performance, Volume 58, No. 5, May 2019 (NACE International)

    Chemical Treatment: Scale Inhibitor Blends for Industrial Water Systems

    Published: May 01, 2019
    Author(s): ahid Amjad, FNACE, Walsh University Department of Chemistry, Division of Mathematics and Sciences, North Canton, Ohio, USA

    This study is focused on the evaluation of polyepoxysuccinic acid (PESA), 2-phosphonobutane 1,2,4-tricarboxyllic acid (PBTC), and PESA/ PBTC blends for calcium sulfate dihydrate (CaSO4·2H2O, gypsum) and calcium carbonate (CaCO3) scale inhibition for aqueous...

    Journal article from Materials Performance, Volume 58, No. 5, May 2019 (NACE International)

    Material Matters: 2019

    Published: May 01, 2019

    Articles include: Evaluating the Cost-Effectiveness of Cathodic Protection for Water Infrastructure and Oroville Dam Spillway Restored and Reopened After 2017 Failure

    Journal article from Materials Performance, Volume 58, No. 5, May 2019 (NACE International)

    Corrosion Management: Aluminum Corrosion Influenced by Temperature in Deionized Water

    Published: May 01, 2019
    Author(s): Wang Rui, China Nuclear Power Engineering Co., Ltd., Beijing, China Xie Xuejun, Zhang Yuanlin, and Zhang Yu, Energy Chemical Engineering Department, School of Power and Mechanical Engineering, Wuhan University, China Fu Hao and Gong Maocai, Guodian Hanchuan Power Generation Co., Ltd., Hanchuan, China

    Temperature influence on aluminum corrosion in deionized water was studied using the gravimetric method, optical microscope, and x-ray diffraction. According to test temperatures ranging from 30 to 80 °C, the oxide film at temperatures from 60 to 70 °C only...

    Journal article from Materials Performance, Volume 58, No. 5, May 2019 (NACE International)

    Corrosion Management: Diagnostic Investigation of 10-inch Duplex Stainless Steel Flowline Weld Failure

    Published: April 01, 2019
    Author(s): Mushaid Nauman and Mohammed Rashid, Penspen, Abu Dhabi, United Arab Emirates

    This article discusses the failure investigation performed for a major operator in the Middle East on duplex stainless steel (DSS) flowline welds. The subject flowline was used intermittently since 1984 in an extreme sour service chloride- containing corrosive...

    Journal article from Materials Performance, Volume 58, No. 4, April 2019 (NACE International)

    Corrosion Mangement: Crevice Corrosion of Duplex Stainless Steel Compact Flanges

    Published: April 01, 2019
    Author(s): E. Heaver, Real Life Metallurgy, Manchester, England

    Two of three subsea manifolds failed to hold hydrotest pressure during commissioning. Leaks were traced to compact flange hub connections joining multiphase flow meters (MPFMs) to manifold piping. Visual examination following recovery of the MPFMs revealed...

    Journal article from Materials Performance, Volume 58, No. 4, April 2019 (NACE International)

    Chemical Treatment: Significance of Evaluation Methods for Surface-Applied Inhibitors

    Published: March 01, 2019
    Author(s): Fred Goodwin and I-Wen Huang, BASF Construction Chemicals, Beachwood, Ohio, USA

    Surface-applied corrosion inhibitors remain controversial as to their effectiveness and the ability to compare materials from different manufacturers and technologies. These materials are liquids applied to the surface of concrete to control the corrosion of...

    Journal article from Materials Performance, Volume 58, No. 3, March 2019 (NACE International)

    Materials Selection & Design: Durability of Concrete Incorporating Rice Husk Ash

    Published: March 01, 2019
    Author(s): Faping Li, Jiesheng Liu, Xuan Gao, Jingwei Zhai, and Yulin Liu, School of Civil Engineering and Architecture, Wuhan Polytech-nic University, Wuhan, China

    Modified rice husk ash (RHA) concrete was prepared by adding different RHA dosages at different temperatures into cementitious composites. The durability of the binders was characterized using a freeze-thaw test, coupled with compressive strength and weight loss...

    Journal article from Materials Performance, Volume 58, No. 3, March 2019 (NACE International)

    NACE Publication 21429-2018: State of the Art Report on Corrosion-Resistant Reinforcement

    Published: February 02, 2019

    This NACE International state-of-the-art report contains information about materials that provide a corrosion-resistant alternative to plain carbon steel reinforcing bar (rebar). The report is intended for use by engineers when considering the use of alternative...

    Report from NACE Standards (NACE International)

    Chemical Treatment: Control of Black Powder in Gas and Condensate Pipelines

    Published: February 01, 2019
    Author(s): Saleh Al-Sulaiman, Youssef Khuraibut, Sundip Kuthe, and Shady Hassan, Kuwait Oil Co., Almadi, Kuwait

    Black powder is an unwanted entity in high-pressure fuel and gas pipelines. When found, the Kuwait Oil Co. decided to investigate the problem, forming a task force to analyze the root cause of the powder formation and to control this phenomenon. Chemical...

    Journal article from Materials Performance, Volume 58, No. 2, February 2019 (NACE International)