...Hui Su; Jun Wang; Yi Xie; Song Xu; Yuxing Zeng; Xiangyu Zhong; Tangqing Wu Purpose This study aims to fill the research gap on carbon steel corrosion in acidic soil and optimize the corrosion map of Q235 steel in Hunan Province, China, by integrating short-term electrochemical measurements...

... environmental factors commonly found in oil pipeline on the corrosion rate of low-carbon steel, providing a new research method for studying metal corrosion in complex environments, especially those involving high hydrostatic pressure. Carbon steel Pipelines Finite element analysis Multivariate analysis...

... target variable, the CME of carbon steel under intermittent wetting. Considering the large variations in magnitude and physical units among the input parameters, all variables were normalised to a 0–1 range before training the BP neural network to ensure numerical stability and balanced feature...

...Haining Du; Yingxue Teng; Yin Lei; Li Gong; Jing Guo Purpose This study aims to explore the dynamic mechanism through which Bacillus cereus mitigates the corrosion of Q355 carbon steel caused by sulfate-reducing bacteria ( SRB ) in simulated seawater. Design/methodology/approach...

...Xiuxin Zhang; Ting Zhao; Li-Shi Chen; Jian-Feng Hu; Hongqiang Fan; Mei-Zhen Wu; Yashar Behnamian Purpose This study aims to develop a dual-action coating combining superhydrophobicity and wear-resistance on carbon steel. Design/methodology/approach Superhydrophobic coatings were fabricated...

... at: zhao_xiong@ctg.com.cn 02 05 2024 24 06 2024 06 07 2024 © Emerald Publishing Limited 2025 Emerald Publishing Limited Licensed re-use rights only Corrosion inhibitor Pyridine derivatives Carbon steel Electrochemical experiments Adsorption isotherms Quantum chemical...

..., a phosphate film is formed on the metal surface, improving its corrosion resistance. The effect of different concentrations of polypyrrole-modified boron nitride on the corrosion resistance of Q235 carbon steel surface was studied. The corrosion resistance of the phosphate film was evaluated using the copper...

...Minglei Hu; Kunjie Dai; Wei Zhang; Ke Xu; Jingkun Shi; Xiaoqian Fu; Yucheng Ji; Chaofang Dong Purpose This study aims to investigate the crevice corrosion behavior of carbon steel in neutral/alkaline environments utilizing a transient multi-physics field model. Design/methodology/approach...

...Hojat Jafari; Elham Ameri Purpose The main purpose of the present study is to introduce new Schiff bases as corrosion inhibitor for carbon steel in 1 M HCl. The inhibitory activity of Schiff base was also assessed. Design/methodology/approach 2,2′-((1Z,1′Z)-((2,2-dimethylpropane-1,3-diyl)bis...

...Halime Morovati; Mohammad Reza Noorbala; Mansoor Namazian; Hamid R. Zare; Ahmad Ali Dehghani-Firouzabadi Purpose The main purpose of the present work is to introduce two new Schiff bases as corrosion inhibitors (CIs) for carbon steel (CS). The anti-corrosion performance of these Schiff bases...

... phenol plyoxyethylene, could provide a good protection performance for the carbon steel in hydrochloric acid. The N atoms and long alkyl chains in DDAC molecular structure play the vital role. Originality/value Usually, DDAC is used as the compound chemical disinfectant in oilfield sterilization...

...Hongyu Liu; Yingxue Teng; Jing Guo; Qinghe Xiao; Miao Wang; QiHang Pang; Shengli Li Purpose This paper aims to explore the transformation process and transformation mechanism of carbon steel under the marine environment. Design/methodology/approach In this paper, the transformation and rust...

...Guiyang Wu; Xikui Gu; Wanwei Zhao; Rui Fan; Ting Mao Purpose This paper aims to study the effect of chloride ions concentration on the corrosion behavior of carbon steel in methyldiethanolamine (MDEA) aqueous solution in the sight of different process parameters of purification plant. Design...

...Zhuolin Li; Dongmei Fu; Zibo Pei Purpose This paper aims to discover the mathematical model for Q235 carbon steel corrosion date acquired in the initial stage of atmospheric corrosion using electrical resistance probe. Design/methodology/approach In this paper, mathematical approaches are used...

...Xiangyu Lu; Leyuan Zhang; Xingguo Feng; D. Chen; Yu Zuo Purpose Aluminum tripolyphosphate was used as a corrosion inhibitor in a simulated concrete pore solution. For studies of the inhibition mechanism of aluminum tripolyphosphate on the carbon steel, its influence on the pitting initiation...

... of the welded carbon steel in water saturated supercritical CO₂. From the BM side towards the weld center, the different microstructures of BM, FHAZ, CHAZ and WM are remarkably shown in Figure I . The microstructure of BM zone of X80 steel welding joint consisted of elongated ferrite...

... data of carbon steel provided by the China Gateway to Corrosion and Protection, that combines non-linear gray Bernoulli model (NGBM(1,1) with genetic algorithm to attain the purpose of this study. Findings Results of the experiments showed that the present study’s method is more accurate than other...

.... Design/methodology/approach In this study, the authors examined the effect of a low dosage of boric acid and borax mixture as inhibitor to suppress carbon steel corrosion in 1 M HCl solution by weight loss experiment and various electrochemistry methods (potentiodynamic polarization curves...

...Reena Sachan; Ajay Kumar Singh Purpose The purpose of this study is to investigate microbial influenced corrosion of steel because of iron oxidizing bacteria (IOB). Design/methodology/approach Carbon steel was selected for this study. Winogradsky media was used for isolation of IOB and as test...

... The potential trends and potential fluctuations of carbon steels in seawater were separated by Hodrick–Prescott filter. The Spearman correlation coefficient and max information coefficient were used to explore the correlation of alloy compositions and potential fluctuations. Findings After long-term...