...Xiu Jiang; Xiaoliang Song; Dingrong Qu; Jing Hua; Chao Yu The CO₂ stream in a carbon capture utilization and storage application generally includes impurities that could cause internal corrosion of CO₂ pipelines. The general and localized corrosion behavior with a variety...

... permits statistical analysis of localized corrosion phenomena, monitored through techniques such as laser profilometry. The shear stress of the moving fluid on the metal coupons is commonly used to relate experimental test conditions to those of flowing pipelines. This paper presents a parametric study...

...Andrew Moran; Robert Scott Lillard The effect of alternating current (AC) on the corrosion rates of cathodically protected buried steel pipeline was investigated through mass loss testing. Results indicate that cathodic protection (CP) at potentials at or below the CP criteria of −780...

...Hung M. Ha; Akram Alfantazi The effect of water sorption on the properties of two polymer coatings for pipelines was studied. Water transport in both coatings during the early stages of diffusion followed Fickian behavior but showed non-Fickian behavior during long immersion times with a decrease...

...Alma Valor; Francisco Caleyo; Lester Alfonso; Julio Vidal; José M. Hallen The reliability and risk of non-piggable, corroding oil and gas pipelines can be estimated from historical failure data and through reliability models based on the assumed or measured number of corrosion defects and defect...

...S. Sim; M.K. Cavanaugh; P. Corrigan; I.S. Cole; N. Birbilis A database was constructed from tests in aqueous electrolytes simulating the damage that may occur to ferrous transport pipelines in the carbon capture and storage (CCS) process. Temperature and concentrations of carbonic acid...

..., carbon steel pipelines remain the most feasible solution for transportation across long distances. 2 However, to date, there is little knowledge regarding the corrosion behavior of steel in the presence of CO₂ streams (nominally 100% CO₂) that are typical of those used in CCS...

...S. Sim; P. Corrigan; I.S. Cole; N. Birbilis Capturing and storage of anthropogenic carbon dioxide (CO₂) requires the transport of CO₂ with varying combinations of impurities depending on the capture technology and source. Traditional pipelines are not designed...

...F.M. Song Soil seasonal change is believed to be one of the major factors that contribute to high-pH stress corrosion cracking (SCC) of underground pipelines, although the specific role and mechanisms of the soil seasonal change in the SCC susceptibility are not clearly understood. This study...

...B.W.A. Sherar; P.G. Keech; Z. Qin; F. King; D.W. Shoesmith Gas transmission pipeline corrosion commences when coatings disbond, exposing the steel to groundwater. When this occurs, a number of anaerobic and aerobic corrosion scenarios can be envisaged. The initial nominally anaerobic corrosion...

...F.M. Song No field method or procedure exists to measure the effectiveness of cathodic protection (CP) in a coating disbonded region on buried pipelines; however, gaining this capability can be useful to assist the pipeline industry in better control of the pipeline external corrosion. This paper...

...F.M. Song; N. Sridhar Laboratory and field experience revealed an increased corrosion rate of pipeline steel under disbonded coatings when aerated water flows underneath. The quantitative effect of the flow velocity was simulated in this work through mathematical modeling. The simulation included...

...Y.-S. Choi; J.-G. Kim; J.-Y. Koo In order to develop a new corrosion sensor for monitoring the status of cathodic protection of buried pipelines, the correlation of sensor output to protection abilities (protection potential and current) was evaluated using two types of laboratory tests...

...F.M. Song; N. Sridhar The complex two-dimensional (2D) model developed in Part 1 to predict pipeline steel corrosion rate under a disbonded coating with or without cathodic protection (CP) has been simplified in this work for easy application of this model. It has been found that steel corrosion...

...F.M. Song; N. Sridhar Two coupled Laplace’s equations were solved for a two-dimensional (2D) geometry to simulate active pipeline steel corrosion under a disbonded coating due to dissolved oxygen (O₂), with or without cathodic protection (CP). A differential O₂ concentration...

...Y.-S. Choi; J.-G. Kim; S.J. Yang To develop a new corrosion sensor for detecting and monitoring the external and internal corrosion damage of buried pipeline, the correlation of its output to the corrosion rate of steel pipe was evaluated by electrochemical methods in two soils of varying...

...Y.-S. Choi; J.-G. Kim In order to develop a new corrosion sensor for detecting and monitoring the corrosion of buried pipelines, sensor element design and the correlation of its output to the corrosion rate of steel pipe were evaluated by laboratory test methods in synthetic groundwater. The sensor...

...Y. Hosokawa; F. Kajiyama; T. Fukuoka Field tests were conducted to assess alternating current (AC) corrosion risk on a cathodically protected steel pipeline buried near an AC-powered rail transit system. AC corrosion risk was assessed with respect to the cathodic protection criteria that have been...

... gas pipelines in service, and loading was aggressive. The maximum stress intensity factor at the tip of the crack on the surface ranged from 20.6 MPa√m to 31.4 MPa√m. A periodic underload was applied to pre-cracked cantilever bending specimens. Tests were carried out for a period of 40 days...

...M. Purcar; B. Van den Bossche; L. Bortels; J. Deconinck; P. Wesselius A three-dimensional, multi-domain boundary element method approach was used to determine the performances of a cathodic protection system applied to a buried pipeline of limited longitudinal dimension, surrounded by a U-shaped...