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    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)

    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)

    Corrosion Management: Pipeline Failure Investigation: Is it MIC?

    Published: February 01, 2019
    Author(s): Richard B. Eckert, DNV GL USA, Inc., Commerce Township, Michigan, USA Torben Lund Skovhus, VIA University College, Horsens, Denmark

    The investigation of pipeline corrosion failures, including those caused by microbiologically influenced corrosion (MIC), requires multiple lines of evidence to identify causative mechanisms and contributing factors. The types of evidence needed for the corrosion...

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

    Corrosion Management: Probability of Pipeline Failure Caused by External Corrosion

    Published: February 01, 2019
    Author(s): R. Olalde, Metallurgic Engineering Department, School of Chemistry, Universidad Nacional Autonoma de Mexico, Ciudad Universitaria, Mexico City, Mexico

    The probability of failure (PoF) of pipelines caused by external corrosion is a function of three variables: exposure, mitigation, and resistance. Two primary exposure variables of a buried pipeline are soil resistivity and pH. In this work, the PoF caused by...

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

    NACE SP0111-2019 Coating Technical File in Accordance with the IMO Performance Standard for Protective Coatings

    Published: January 31, 2019

    The coating technical file (CTF) contains documentation relevant to the selection, specification, installation, and inspection of coatings applied to a ship's seawater ballast tanks and double-skin spaces. It also contains documentation of in-service maintenance...

    Standard from NACE Standards (NACE International)

    SP0308-2018, Inspection Methods for Corrosion Evaluation of Conventionally Reinforced Concrete Structures

    Published: January 31, 2019

    This NACE International standard practice provides testing procedures and investigative techniques for the evaluation of conventionally reinforced concrete structures. The investigation and evaluation techniques described in this standard focus on degrada

    Standard from NACE Standards (NACE International)

    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)