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Keywords: mild steel
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Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12876
... ABSTRACT Recent developments in understanding the mechanism of mild steel corrosion in the presence of carboxylic acids, carbon dioxide, and hydrogen sulfide has challenged the conventional views to corrosion in anoxic environments. Conventionally, the high corrosivity of such environments...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12835
... been tested as corrosion inhibitors in 1M HCl on mild steel [12] but there is no report on the use of pyran derivative as corrosion inhibitors for N80 steel in 15% HCl solution. In the present study 15% HCl is used to simulate the real oil field acidizing conditions. The use of N80 steel is based...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13000
...Effect of Calcium Ions and CaCO3 Scale on the CO2 Corrosion Mechanism of Mild Steel Hamed Mansoori, Bruce Brown, David Young, Srdjan Nesic, Marc Singer Institute for Corrosion and Multiphase Technology, Department of Chemical & Biomolecular Engineering, Ohio University 342 West State Street Athens...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13212
... Corrosion Inhibition materials and corrosion riser corrosion Corrosion Management co 2 mild steel manuscript Pipeline Corrosion Subsurface Corrosion H2S management oilfield chemistry well integrity wt graphene epoxy texas 77084 permission graphene epoxy Publication Division...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10984
... 2 steel Publication Division Subsurface Corrosion mackinawite corrosion rate 0 corrosion product layer carbon steel specimen manuscript permission experiment mild steel marginally sour environment texas 77084 corrosion Houston Factors Influencing Localized Corrosion of Mild Steel...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10953
... of plain and welded UNS K02700 grade mild steel exposed to an artificial concrete pore water solution that is representative for the SC concrete buffer environment. The tests were performed under anoxic conditions at 140°C, a constant strain rate of 5 × 10 -7 s -1 and open circuit potential. The effect...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11094
... ABSTRACT The corrosion behavior of mild steel in a gas reforming CO 2 -H 2 O-CHOOH environment at high temperature and pressure (210°C; 3500KPa) was studied using polarization and mass loss tests as well as online corrosion monitoring techniques. Corrosion control measures in this environment...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10539
... mild steel electrode Corrosion Management Publication Division coating manuscript licheniformis endospore endospore mild steel matrix sol-gel coating hybrid sol-gel coating texas 77084 Houston anticorrosion electrode anticorrosive pigment ABSTRACT The corrosion and fouling...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-10548
... ABSTRACT Localized corrosion has been a challenge for the integrity of mild steel pipelines, specifically at operating conditions where a trace amount of H 2 S is present alongside CO 2 at lower temperatures. The presence of H 2 S leads to formation of a protective iron sulfide layer...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11472
... ABSTRACT A series of experiments was conducted in a large-scale multi-phase flow loop to investigate the threshold level of H 2 S leading to localized attack on mild steel in CO 2 saturated aqueous solution with 1%wt NaCl at 40°C.The CO 2 partial pressure was fixed at 8.0 bar in all test...
Proceedings Papers

Paper presented at the CORROSION 2018, April 15–19, 2018
Paper Number: NACE-2018-11232
... ABSTRACT The polarization behavior of API 5L X65 mild steel at various pH values and CO 2 partial pressures was investigated at a high flow velocity. In contrast to the commonly accepted mechanistic view of CO 2 corrosion, it is shown that the direct reduction of carbonic acid...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-8906
... with different organic and inorganic biocides. The parent coating and the coating embedded with biocides were applied on mild steel sheets and their corrosion protection performance was evaluated under laboratory conditions using electrochemical impedance spectroscopy (EIS) and visual observations. The field...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9084
... Corrosion Behavior of Mild Steel in Sour Environments at Elevated Temperatures Shujun Gao, Peng Jin, Bruce Brown, David Young, Srdjan Nesic, Marc Singer Institute for Corrosion and Multiphase Technology, Department of Chemical & Biomolecular Engineering, Ohio University 342 West State Street...
Proceedings Papers

Paper presented at the CORROSION 2017, March 26–30, 2017
Paper Number: NACE-2017-9217
... of cerium oxide (CeO 2 ) nanoparticles which can be effectively implemented as a reinforcement material in polyurethane (PU) coatings for corrosion protection. The corrosion resistance of mild steel coated with a PU coating containing graphene/CeO 2 was pointedly higher than with a pure PU coating and a PU...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7375
... fraction of Ca 2+ in Fe x Ca y CO 3 . Procedures in the current experimental study were designed to develop a range of specific corrosion product layers on mild steel samples. Experiments were conducted at constant Cl- concentration with and without 10,000 ppm Ca 2+ in stagnant conditions, for two...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7431
...., mild steel, was investigated over a temperature range of 30 to 70°C. Efficiency of MVI and MCI were determined by correlating the electrochemical response of the compound (by electrochemical impedance and potentiodynamic polarization) in 1M HCl and 0.5M H 2 SO 4 solution with their structural features...
Proceedings Papers

Paper presented at the CORROSION 2016, March 6–10, 2016
Paper Number: NACE-2016-7780
... Abstract In laboratory experiments, corrosion of mild steel specimen in glass cells or autoclaves with a relatively small internal volume (of the order of 1 liter or less), will usually lead to a change in solution chemistry, (i.e., increase in ferrous ion concentration and solution pH) which...

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