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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)

Materials Selection and Design: Electrochemical Corrosion Behavior of AA7003

Published: December 01, 2018
Author(s): T.S. Hua, X.Y. Zhang, C.B. Zheng, and R.G. Song, Changzhou University, Changzhou, China; and Jiangsu University of Science and Technology, Zhenjiang, China

The electrochemical corrosion behavior of 7003 aluminum alloy (AA7003) under peak aging (PA), double peak aging (DPA), and regression re-aging (RRA) in sodium chloride (NaCl) solution at different temperatures have been studied by using potentiodynamic...

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

Materials Selection and Design: Stress Corrosion Cracking Behaviors of Weathing Steel Welded Joints

Published: December 01, 2018
Author(s): Lihua Gong, School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang, China

The changes of stress corrosion cracking (SCC) behaviors in simulated industrial atmospheric environments between weathering steel, 09CuPCrNi, and its welded joints were studied by slow strain rate testing, and compared with that in 3.5% sodium chloride (NaCl)...

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)

Material Matters: November 2018

Published: November 01, 2018

Articles include: Composite insert bonded into corroded pipe at nuclear power site, protecting concrete cooling towers from corrosion, Stainless steel creates an art deco masterpiece 

Journal article from Materials Performance, Volume 57, No. 11, November 2018 (NACE International)

Feature Article: Testing Corrosion-Resistant Alloys for Use in Geothermal Power Plants

Published: November 01, 2018
Author(s): Kathy Riggs Larsen

Utlizing the energy potential in high-power geothermal wells can be expanded with materials that withstand the extreme environmental conditions

Journal article from Materials Performance, Volume 57, No. 11, November 2018 (NACE International)

Chemical Treatment: Corrosion Issues of Carbon Capture, Utilization, and Storage

Published: November 01, 2018
Author(s): Yong Xiang, College of Mechanical and Transportation Engineering, and Beijing Key Laboratory of Process Fluid Filtration and Separation, China University of Petroleum, Beijing, China

 Carbon capture, utilization, and storage  (CCUS) can not only reduce carbon  dioxide (CO2) emissions by permanent  geological storage but can  also enhance oil and gas recovery.  However, if anthropogenic CO2 captured  from...

Journal article from Materials Performance, Volume 57, No. 11, November 2018 (NACE International)