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Frontiers Corrosion of Q235 Carbon Steel in Seawater

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The influence of sulphatereducing bacteria on

The influence of sulphatereducing bacteria on heterogeneous electrochemical corrosion behavior of Q235 carbon steel in seawaterThe influence of Desulfovibrio sp.and Pseudoalteromonas Frontiers Corrosion of Q235 Carbon Steel in Seawater#0183;For the first time,the corrosion behavior of Q235 steel in 1200,2000 and 3000 m deepwater of South China Sea for 0.5 year was reported in this study.The corrosion morphology and corrosion products properties were investigated using different techniques,such as 3D optical microscope,scanning electron microscope,x-ray diffraction analyzer and electrochemical impedanceThe effect of magnetic field pretreatment on theCarbon steel is widely used in engineering for its high cost performance,13 but is still o en corroded by seawater.There-fore,the corrosion behavior of carbon steel in seawater has attracted much attention in the marine resource development process.1,14 Concurrently,carbon steel is

Study on kinetics of cathodic reduction of dissolved

Electrochemical reduction of dissolved oxygen in seawater on metals is of great importance for corrosion studies.The present paper studied cathodic reduction of dissolved oxygen on Q235 carbon steel in 3.5% sodium chloride (NaCl) solutions by cyclic voltammetry (CV),electrochemical impedance spectroscopy (EIS),rotating disk electrode (RDE) and rotating ring-disk electrode (RRDE).Study of Henna (Lawsonia inermis) as Natural Corrosion Use of Sapindus (reetha) as corrosion inhibitor of aluminium in acidic medium Vivek Sharma,Sahil Kumar,Sumaya Bashir et al.-Green corrosion inhibition of mild steel to aqueous sulfuric acid by the extract of Corchorus olitorius stems Mohamed Gobara,Basem Zaghloul,Ahmad Baraka et al.-Corrosion inhibition of Q235 steel in 1 MSome results are removed in response to a notice of local law requirement.For more information,please see here.Previous123456Next

Q235 Steel Scientific.Net

Abstract The corrosion inhibition of N,N-diethylammonium O,O-di (3-methylphenyl) dithio-phosphate (NDOMD) for Q235 steel in HCl solution was studied by electrochemical measurements and weight loss measurements.And the effects of temperature,HCl concentration and immersion time were also studied.Polarization curves indicate the NDOMD is a mixed-type inhibitor which anodic plays a leading role.Microbiologically influenced corrosion of X60 carbon steel The corrosion behavior of X60 carbon steel in CO 2 saturated oilfield flooding water inoculated with sulfatereducing bacteria (SRB) was investigated using polarization curves and electrochemical impedance spectroscopy (EIS).With the propagation of SRB in the flooding water,the pH values of flooding water increased quickly in the initial 2 days and remained relatively steady during the Microbial community profiles grown on 1020 carbon steel The corrosion mechanism model of Q235 carbon steel in air-saturated seawater containing T.sp.is proposed through surface micromorphology analyses,composition determination and current distribution.

Interaction of Sulfate-Reducing Bacteria and Carbon Steel

Oct 05,2011 Frontiers Corrosion of Q235 Carbon Steel in Seawater#0183;Microbiological corrosion of pipeline steel under yield stress in soil environment.Corrosion Science 2014,88,291-305.DOI 10.1016/j.corsci.2014.07.046.Jin Xu,Cheng Sun,Maocheng Yan,Fuhui Wang.Corrosion of Carbon Steel Q235 in a Crevice Under a Simulated Disbonded Coating.CORROSION 2014,70 (7) ,686-694.DOI 10.5006/1224.Influence of the Dissolved Oxygen Concentration in dissolved oxygen concentration and immersion time have a significant effect on the corrosion behavior of Q235 mild steel corrosion in artificial seawater.In most cases,the EIS diagrams show the largest impedance when immersed in artificial seawater for one day.After that,the impedance decreases withInfluence of calcareous deposit on corrosion behavior of SRB is a kind of very important fouling organism that causes microbial corrosion of metals.A study of the influence of calcareous deposit on corrosion behavior of Q235 carbon steel in SRB-containing culture medium was carried out using electrochemical impedance spectroscopy (EIS),scanning electron microscopy (SEM) and surface spectroscopy (EDS).

Influence of calcareous deposit on corrosion behavior of

SRB is a kind of very important fouling organism that causes microbial corrosion of metals.A study of the influence of calcareous deposit on corrosion behavior of Q235 carbon steel in SRB-containing culture medium was carried out using electrochemical impedance spectroscopy (EIS),scanning electron microscopy (SEM) and surface spectroscopy (EDS).Influence of Seawater on the Carbon Steel Initial uniform corrosion of carbon steel.The thickness loss of the carbon steel samples can be calculated using the following equation[19] D=10000Wt s (1) where D is the thickness loss (m),3W t is the weight loss (g), is the density (7.86 g/cm ) of the carbon steel,and S is the exposed area (cm2) of the sample.Apparently,the thickness Impact of Iron-Reducing Bacteria on the Corrosion Rate of Jun 02,2015 Frontiers Corrosion of Q235 Carbon Steel in Seawater#0183;Corrosion of Q235 Carbon Steel in Seawater Containing Mariprofundus ferrooxydans and Thalassospira sp..Frontiers in Microbiology 2019,10 DOI 10.3389/fmicb.2019.00936.Shiqiang Chen,Dun Zhang.Corrosion behavior of Q235 carbon steel in air-saturated seawater containing Thalassospira sp..Corrosion Science 2019,148,71-82.DOI 10.1016/j

Impact of Iron-Reducing Bacteria on the Corrosion Rate of

Corrosion of Q235 Carbon Steel in Seawater Containing Mariprofundus ferrooxydans and Thalassospira sp..Frontiers in Microbiology 2019,10 DOI 10.3389/fmicb.2019.00936.Shiqiang Chen,Dun Zhang.Corrosion behavior of Q235 carbon steel in air-saturated seawater containing Thalassospira sp..IOP Conference Series Earth and Environmental Science model of corrosion research and a prediction model of corrosion rate in actual seawater environment by using grey neural network,respectively [5-6].Haque and other [7] neural networks were used to study the corrosion fatigue properties of DP steel.Kamrunnahar [8] et al.Used neural network as a data mining tool to predict the corrosion behavior.Frontiers Corrosion of Q235 Carbon Steel in Seawater Corrosion of Q235 Carbon Steel in Seawater Containing Mariprofundus ferrooxydans and Thalassospira sp.Shiqiang Chen 1,2,3,Hao Deng 1,Guangzhou Liu 1* and Dun

Frontiers Analysis of Bacterial Community Composition of

Sep 12,2017 Frontiers Corrosion of Q235 Carbon Steel in Seawater#0183;The influence of desulfovibrio vulgaris,on the efficiency of imidazoline as a corrosion inhibitor on low-carbon steel in seawater.Electrochim.Acta 54,8690.doi 10.1016/j.electacta.2008.02.119Effects of alternating current interference on corrosion the AC corrosion rate of carbon steel.On the contrary,the AC current density and AC frequency have signicant impacts on the corrosion rate.Pagano and Lalvani (1994) investigated corrosion properties of mild steel in seawater.Their results indicated that the corrosion rate decreased with an increase in AC frequency.Weng and Wang (2011)Effect of Oxygen Concentration on Corrosion Rate ofFigure 3 Carbon steel in 3.5%NaCl Figure 4 Carbon steel in sulphate content The preliminary test begins with identified the hardness of carbon steel before and after corrosion attack.In all solutions,the hardness reduced after corrosion attack and carbon steel in high chloride content shows the highest reduction as shown in Figure 5.

Effect of Magnetic Field on the Corrosion Behaviour of

To study the effect of magnetic field on the electrochemical corrosion behaviour of carbon steel in static seawater,a 70 Frontiers Corrosion of Q235 Carbon Steel in Seawater#215;10 Frontiers Corrosion of Q235 Carbon Steel in Seawater#215;2-mm3 A3-Q235 carbon steel specimen [6] (99.95% purity,Yangzhou Xiangwei Machinery) was used as a working electrode.All carbon steel specimens were polished withEffect of Aluminum Tri-polyphosphate on CorrosionAtri-polyphosphate was used as a corrosion inhibitor in the seawater prepared coral concrete,and its influence on the corrosion behavior of carbon steel,304 austenitic stainless steel,and 2205 duplex stainless steel was studied by the open-circuit potential,electrochemical impedance spectroscopy,and potentiodynamic polarization,respectively.Corrosion of carbon steel influenced by anaerobicCorrosion of carbon steel inuenced by anaerobic biolm in natural seawater Jizhou Duan a,,Suru Wu ,Xiaojun Zhang ,Guiqiao Huangb,Min Duc,Baorong Houa a Institute of Oceanology,Chinese Academy of Sciences,No.7 Nanhai Road,Qingdao 266071,China b Qingdao Marine Corrosion Institute,Qingdao 266071,China

Corrosion behavior of plasma sprayed ceramic and metallic

Dec 01,2013 Frontiers Corrosion of Q235 Carbon Steel in Seawater#0183;In addition,the corrosion resistance of carbon steel Q235,samples covered with plasma sprayed ceramic coatings (Al 2 O 3 and ZrO 2) as well as the metallic coatings (Ni60,for comparison) in simulated seawater were evaluated using the corrosion potentialtime curve (Ecorr t) and potentiodynamic polarization,complemented by scanning electron microscopy (SEM).Corrosion behavior of Q235B carbon steel in simulated Jul 14,2020 Frontiers Corrosion of Q235 Carbon Steel in Seawater#0183;Seawater pumped storage systems have bright prospect for energy storage in the coming years.The operational conditions of seawater pumped storage system are complex and harsh,where metal materials suffer from severe general and local corrosion.The corrosion behavior of Q235B carbon steel in simulated seawater pumped storage system under operational conditions wasCorrosion Properties of Cold Spray Zn-25Al Coating in Zn-25Al and Zn-50Al coatings were prepared by arc spray in mild carbon steel Q235.The corrosion behaviors of these coatings were studied by potentiodynamic polarization test in natural seawater

Corrosion Inhibition of Q235 Mild Steel in 0.5 M H2SO4

The inhibition properties of phytic acid (PA) on Q235 mild steel corrosion in 0.5 M H 2 SO 4 was estimated using electrochemical techniques.Polarization results revealed PA to be a mixed-type inhibitor in 0.5 M H 2 SO 4,with a more pronounced cathodic effect,while impedance results indicate adsorption of the PA species on the steel surface.The values of the synergistic factor with KI were Corrosion Behavior of Q235 Steel Exposed in DeepwaterFor the first time,the corrosion behavior of Q235 steel in 1200,2000 and 3000 m deepwater of South China Sea for 0.5 year was reported in this study.The corrosion morphology and corrosion products properties were investigated using different techniques,such as 3D optical microscope,scanning electron microscope,x-ray diffraction analyzer and electrochemical impedance spectroscopy.Cited by 5Publish Year 2019Author Shiqiang Chen,Shiqiang Chen,Hao Deng,Guangzhou Liu,Dun ZhangFrontiers Effect of Dissolved Oxygen Concentration on Apr 25,2019 Frontiers Corrosion of Q235 Carbon Steel in Seawater#0183;The influence of dissolved oxygen concentration (DOC) on the microbiologically influenced corrosion (MIC) of Q235 carbon steel in the culture medium of halophilic archaeon Natronorubrum tibetense was investigated.The increase of DOC from 0.0 to 3.0 ppm was found to strengthen the oxygen concentration cell by promoting cathodic reaction.

Cited by 5Publish Year 2019Author Shiqiang Chen,Shiqiang Chen,Hao Deng,Guangzhou Liu,Dun ZhangCorrosion of Q235 Carbon Steel in Seawater Containing

Corrosion rates of Q235 carbon steel in different culture media decrease in the order r M.f. Frontiers Corrosion of Q235 Carbon Steel in Seawatergt; r mixed consortium Frontiers Corrosion of Q235 Carbon Steel in Seawatergt; r T.sp. Frontiers Corrosion of Q235 Carbon Steel in Seawatergt; r sterile.The evolution of corrosion rate along with time decreases in M.f.medium,and increases then keeps table in both T.sp.and mixed consortium media.Corrosion mechanism of Q235 carbon steel in mixed Cited by 4Publish Year 2019Author Hongchang Qian,Pengfei Ju,Dawei Zhang,Lingwei Ma,Yuting Hu,Ziyu Li,Luyao Huang,Yuntian Lou,CCorrosion behavior of Q235 carbon steel in air-saturated Frontiers Corrosion of Q235 Carbon Steel in Seawater#0183;The localized corrosion process of Q235 carbon steel in SRB medium is indicated by increasing anodic area,and it centralizes in some local areas along with increasing of immersion time.In SRB medium,cathodic and anodic areas present different morphological characteristics.Cited by 21Publish Year 2015Author Marta K.Sch Frontiers Corrosion of Q235 Carbon Steel in Seawater#252;tz,Michel L.Schlegel,Marie Libert,Olivier BildsteinCorrosion behavior of Q235B carbon steel in simulated Jul 14,2020 Frontiers Corrosion of Q235 Carbon Steel in Seawater#0183;Seawater pumped storage systems have bright prospect for energy storage in the coming years.The operational conditions of seawater pumped storage system are complex and harsh,where metal materials suffer from severe general and local corrosion.The corrosion behavior of Q235B carbon steel in simulated seawater pumped storage system under operational conditions was studied

Cited by 10Publish Year 2018Author Kangkang Ding,Weimin Guo,Ri Qiu,Jian Hou,Lin Fan,Likun Xu(PDF) Corrosion of ferrous alloys in deep sea environments

However,the X70 steel exhibits higher corrosion resistance than the Q235 stee1.The corrosion behavior of Q235 and X70 pipeline steels in the simulatedBacillus sp.Acting as Dual Role for Corrosion Induction Sample collection,bacterial isolation,and purification.Sample was collected from the corroded material Q235 (carbon steel).A fresh inner rust layer was collected from the most damaged site of corroded surface after the outer layer had been scraped from the damaged area of the corroded surface with sterile scalpel from the sea water at the Marine Corrosion Experiment Station near Qingdao 12345NextInvestigation of Corrosion Behavior of Q235 Steel in of Q235 steel in different solutions over time Fig.1 shows the change of E ocp of Q235 steel in different solutions over time.It can be seen that the potential values of Q235 steel were close to each other in the natural seawater system and the other two system with Cl-and SO 4 2-addition,and the trend was almost the same.There was a

(PDF) The Interaction of Biofoulants and Calcareous

of these factors on Q235 carbon steel were investigated and discussed for 20 weeks under real. Biofouling and seawater corrosion are two natural processes that occur at the interface between.(PDF) Corrosion of ferrous alloys in deep sea environmentsHowever,the X70 steel exhibits higher corrosion resistance than the Q235 stee1.The corrosion behavior of Q235 and X70 pipeline steels in the simulated seawater(PDF) Corrosion Behavior of AISI 1045 Steel in Seawater in and localized corrosion of Q235 carbon steel (Liu et al.,2019).More importantly,SRB have been reported to be responsible for the corrosion deterioration of oil,power generation and

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