...Akira Hekizono; Shunsuke Otani; Mitsuyasu Iwanami; Kazuhide Nakayama; Takahiko Amino; Yuichi Kobayashi; Tatsuya Ishii Reinforced concrete (RC) members with different degrees of corrosion coexist in a concrete structure and these members were connected in parallel in cathodic protection (CP...

...B. Ackland; K. Dylejko; W. Green; M. Büchler The science and practical application of cathodic protection (CP) now has a 200 y history and today successfully protects a vast array of infrastructure worldwide from the destructive actions of corrosion. It all started in 1824 with the initiation...

...Woo-Hyuk Lee; Gyeong-Ho Son; Geon-Il Kim; Eun-Ha Park; Jung-Gu Kim This study investigates the impact of cathodic protection design on the corrosion resistance of heat exchangers (HE1, HE2). Two distinct heat exchanger assemblies underwent a 720-h cyclic corrosion test, revealing higher corrosion...

...Mohammad Javad Shirshahi; Seyed Farshid Chini; Peyman Taheri; Abraham Mansouri Corrosion prevention techniques such as cathodic protection (CP) are commonly applied to extend the useful lifetime of buried steel tanks in corrosive environments. Sacrificial anodes effectively supplement CP systems...

..., diagnostic DC/AC/OCP cycle testing, and zero resistance ammeter tests with simultaneous pH measurements. Electrochemical DC/AC/OCP cycle testing in 0.6 M NaCl demonstrated that MgRP reached a suitable OCP for the cathodic protection of AA7075-T651. MgRP was an effective coating for cathodic protection...

...Liang Dong; Yan Shen; Tiansiyu Gan Oil and gas pipelines are susceptible to direct current interference from nearby third-party cathodic protection or direct current transmission systems. This paper proposes a new method for analyzing direct current interference and its mitigation measures...

... of –0.95 V_SCE demonstrates that the AlRP did not enable sacrificial anode-based cathodic protection as the coupled potential remained at the corrosion potential of bare AA7075-T651. Furthermore, the current observed throughout galvanic corrosion experiments coupling of AlRP to AA7075-T651...

...Mohammad Hadi Motaghed; Morteza Behbahani-Nejad; Maziar Changizian A single-level fast multipole boundary element method was developed for analyzing cathodic protection (CP) systems of large pipeline networks. This method was obtained by embedding far-field approximation within the traditional...

.... Therefore, this work focuses on developing a short-term test method (galvanic anode performance [GAP] test) to assess the longevity of GAs. For this, the GAP specimen was designed by simulating RC structures protected with cathodic protection systems as follows: (i) GA embedded in bedding mortar (i.e...

... electrochemical potential as a redox control method for application in molten fluoride salts has rarely been explored. This study seeks to understand the viability of impressed current cathodic protection (CP) at various currents as a redox control method to prevent corrosion of stainless steel 316H in molten LiF...

...A.J. Moran; R.S. Lillard The change in AC current on a pipeline as a function of cathodic protection (CP) current is well known in the industry as is the change in CP current as a function of the interfering AC current. To better understand the underlying mechanisms responsible...

...Le Chen; Yanxia DU; Yi Liang; Nianpei Tian; Zhenhong Zhu; Lei Zhang An indoor corrosion simulation experiment device was built to explore the influence of dynamic alternating current (AC) interference on the corrosion behavior of pipeline steel under different cathodic protection (CP) levels. When...

...Edgar Hornus; Francisco Vouilloz; Yu Long; Kjetil Andersen; Ola Krosness; Mike King; Roy Johnsen; Mobin Salasi; Mariano Iannuzzi The formation of calcareous deposits on thermally sprayed aluminum (TSA)-coated surfaces immersed in natural seawater and connected to a cathodic protection system...

... aluminum alloys anticorrosion coatings cathodic protection sacrificial coatings thermal spray coating P rotecting oil and natural gas infrastructure against internal corrosion is an important issue facing the oil and gas industry. Internal corrosion in natural gas pipelines is primarily due...

...Yanxia Du; Yi Liang; Dezhi Tang; Sili Xie Although a lot of AC corrosion failure cases and research work on cathodically protected pipelines have been reported, the mechanism of the AC corrosion process has not been completely understood, and there still exist many debates on AC corrosion...

... significance accompanied by perspectives describing the impact of the article and the evolution of the field. © 2020, NACE International 2020 cathodic protection hydrogen embrittlement pipelines probability steel stress corrosion cracking The cracking of steel in H₂S (sulfide...

...Erwan Diler; Nicolas Larché; Dominique Thierry Many parameters may influence the corrosion and the cathodic protection current demand in natural seawater. These are potential, temperature, dissolved oxygen content, biofilm and fouling activity, hydrostatic pressure, and calcareous deposit formation...

...Markus Büchler In recent years, a wide agreement with respect to the processes associated with cathodic protection (CP) has been reached within the CP industry. The increase of the pH value at the steel surface and the generation of passivating conditions as a result of the CP current are widely...

...Mehdi Attarchi; Marco Ormellese; Andrea Brenna Linear anode-pipe arrangement cathodic protection system with a complete nonlinear cathode boundary condition is analyzed by finite element method numerical simulation to extract the effective parameters for both coated and uncoated pipe. The results...

[email protected] . 11 April 2019 03 February 2020 03 February 2020 © 2020, NACE International 2020 cathodic protection crack growth rate hydrogen embrittlement low alloy steels Low alloy steels are commonly used in subsea fastener applications. These materials are subject...