Results 11 to 20 of about 1,745,305 (360)

Investigation of erosion-corrosion failure of API X52 carbon steel pipeline. [PDF]

Sci Rep, 2023
A failure analysis of API X52 steel pipeline was conducted. The investigation included complete material characterizations using tensile and hardness testing, optical microscope, SEM, and EDS. The main failure occurred in the downstream pipe located near
Abdu MT, Khalifa W, Abdelrahman MS.
europepmc   +2 more sources

Structural Integrity of Steel Pipeline with Clusters of Corrosion Defects. [PDF]

Materials (Basel), 2021
The main goal of this paper is to evaluate the burst pressure and structural integrity of a steel pipeline based on in-line inspection results, in respect to the grouping criteria of closely spaced volumetric surface features.
Witek M.
europepmc   +2 more sources

Analytical Model and Numerical Analysis of Composite Wrap System Applied to Steel Pipeline. [PDF]

Materials (Basel), 2021
Composite overwraps are a cost-effective repair technology, appropriate for corrosion defects, dents, and gouges for both onshore and offshore steel pipelines. The main benefit of polymer-based sleeves is safe installation without taking the pipeline out
Djahida D, Tewfik G, Witek M, Abdelghani M.   +3 more
europepmc   +2 more sources

High pH-SCC mechanism investigation of novel Nb/Ce-additional X100 pipeline steel

Journal of Materials Research and Technology, 2023
High pH-SCC introduces great risks to the service safety of X100 pipeline steel. The design of new Nb and RE composite regulated pipeline steel can help to reduce the high pH-SCC. By the addition of Nb and Ce elements into traditional pipeline steel, the
Xiaojia Yang, Qing Li, Longfei Song, Zhiyong Liu, Xiaogang Li   +4 more
doaj   +3 more sources

Corrosion behavior study and failure time analysis of X65 pipeline steel in near-neutral soil [PDF]

Scientific Reports
Corrosion is an important cause of oil and gas pipeline failure, and with the continuous development of social economy and the rising demand for energy, the problem of corrosion of oil and gas transportation pipelines is becoming more and more obvious ...
Yu Wang, Xiaopeng Li, Junfu Zhang, Qing Tu   +3 more
doaj   +2 more sources

Study on Corrosion Behavior of Pipeline Steel in Sour Crude Oil [PDF]

Cailiao Baohu, 2022
Some in - service pipelines were not designed to transport sour crude oil, which brought corrosion problems. To solve this problem, the corrosion environment of sour crude oil transportation pipeline was simulated by using high - temperature and high ...
TIAN Jian, PU Hong - yu, WANG Jing, ZHAO Chuan - dong
doaj   +1 more source

Effect of applied potentials on the corrosion of X80 pipeline steel in simulated coastal soil solution [PDF]

Journal of Hebei University of Science and Technology, 2023
In order to explore the corrosion mechanism of dual-phase X80 pipeline steel in the coastal soil simulation solution environment, the stress corrosion and electrochemical corrosion behavior of dual-phase X80 pipeline steel under different applied ...
Jing MA, Qiuyue JIANG, Zhihao FENG, Jiangang WANG, Jianhui LI, Xin ZHANG   +5 more
doaj   +1 more source

Progress of research on key influencing factors of stress corrosion cracking of X80 buried pipeline

You-qi chuyun, 2021
With the rapid development of the construction of high-pressure, large-diameter and long-distance X80 pipelines in China, Stress Corrosion Cracking (SCC) has become an important factor threatening the safe operation of pipelines.
Cheng SUN, Boxin WEI, Qingyu TAN, Qi FU, Tangqing WU, Jin XU, Liqun GAO, Zhangkun YU   +7 more
doaj   +1 more source

Assessment of Operational Degradation of Pipeline Steels [PDF]

Materials, 2021
This paper summarizes a series of the authors’ research in the field of assessing the operational degradation of oil and gas transit pipeline steels. Both mechanical and electrochemical properties of steels are deteriorated after operation, as is their resistance to environmentally-assisted cracking.
Hryhoriy Nykyforchyn, Olha Zvirko, Ihor Dzioba, Halyna Krechkovska, Myroslava Hredil, Oleksandr Tsyrulnyk, Oleksandra Student, Sebastian Lipiec, Robert Pala   +8 more
openaire   +2 more sources

Fatigue crack growth model of X80 pipeline steel in hydrogen environment for quantification of hydrogen pressure effect

You-qi chuyun, 2023
With the increasingly imperious demands for energy transformation and development of hydrogen energy utilization in China,X80 high-strength pipeline steel will face the risks of operating in a hydrogen environment. As the in-service pipeline is subjected
GOU Jinxin, NIE Ruyu, XING Xiao, LI Zili, CUI Gan, LIU Jianguo   +5 more
doaj   +1 more source