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Keywords: exposure
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Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16222
... material values. For investigations under compressed conditions, the compression set was determined for specimens of ACM, FKM and HNBR after exposure in heating oil B0 and B20 for 3,7,14, 28, 56 and 90 days at 40 °C according to ISO 815-1. It was found that the resistance in B20 at 40 °C was given for all...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16594
...]. A key issue is that microturbine exhaust gas contains water vapor which could decrease the oxidation lifetime of Cr 2 O 3 -forming alloys such as S30400 or N06625 due to the formation of volatile CrO 2 (OH) 2 [8, 9]. Greater Cr depletion was reported for the S30403 steel coupon after 679 h of exposure...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12844
... protection natural seawater corrosion product manuscript texas 77084 permission unprotected coupon exposure microorganism interaction biofilm current density Houston coupon Tradename Interactions between cathodic protection and initial stages of MIC in natural seawater Felipe Leon-Morales...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12946
... after long term exposure in an actual operating well is compared with the one formed after laboratory corrosion testing. The surface film structure after exposure in the actual well was composed of sulfides and oxides. This thin layer structure is consistent with laboratory results using small-scale...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13023
... environment, typical stainless steel may easily corrode. 1 Cyclic polarization test was carried on each sample after exposure period of 0, 1, 3, 5, 7, 10, 13, and 20 days to evaluate the resistance to the localized corrosion. 2 The sweep rate was 1 mV/s. To verify the stability of Platinum reference...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12967
... of the coating material. The tool was retrieved after three months exposure to the reservoir condition for post-laboratory analysis. The retrieved coupons were thoroughly characterized to assess the coating performance and to understand the corrosion and scaling mechanisms. XRD was used to analyze...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13017
... steel coupons exposed to CO 2 stream containing impurities to measure the wettability by contact angle and to observe the condensation as well as possible droplet corrosion that followed. Other considered factors were: pH of the droplet, temperature, droplet volume, and exposure time. INTRODUCTION...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13103
... archaea were grown as biofilms on carbon steel coupons under defined laboratory conditions. Once biofilms were established, the coupons were exposed to one of the following corrosion mitigation treatments: (1) simulated pigging using a wire brush, (2) exposure to CI at a concentration of 50 ppm, or (3...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13124
... in-situ show that the initial and mean (after 11 months) current densities are higher than those recommended by the DNVGL RP B401 standard. Even if mean current densities are expected to continue to decrease slowly with further exposure time, so probably tending to the standard recommendations, the DNVGL...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13131
... ABSTRACT Styrenic materials, utilized in subsea wet insulation, have been exposed in long-term tests for 12 months at elevated temperatures and pressures in seawater according to ISO 12736:2014. The performance of these materials under this harsh exposure regiment shall be presented...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13121
... management oilfield chemistry artificial geothermal water exposure permission well integrity coating system texas 77084 specimen Houston geothermal brine particle coating polyaniline particle materials and corrosion Subsurface Corrosion spectroscopy manuscript Corrosion Management...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13242
... the chromated baseline. In traditional corrosion testing, panels are painted and scribed, prior to testing in an ASTM B117 salt fog environment and by atmospheric exposure, typically at a beach location. In reality, however, components are usually very complex and held together with fastening systems...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13123
... of passive alloys in these environments. At each exposure depth, the environment was characterized using environmental sensors, e.g. temperature, flow velocity, dissolved oxygen, salinity. The obtained results allowed i) ranking the passive material in terms of resistance to pitting and crevice corrosion...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13258
... layer exposure Houston base metal weldment sample weldment alumina layer inner alumina layer weldment surface manuscript Characterization of Metal Dusting Corrosion of Ni-Based Alloy Ni29Cr2Al and its Weldment under High Pressure Condition Wei-Ting Chen University of Pittsburgh Pittsburgh...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13243
... ABSTRACT Martensitic stainless steel (UNS S41000), austenitic stainless steel (UNS S31000), and nickel-based alloy (UNS N06625) specimens were exposed at 450°C and 7.6 MPa in pure supercritical CO 2 (sCO 2 ) for two months. The exposure was performed in order to assess the effect of various...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12719
... ABSTRACT Third Party Damage (TPD) represents the largest threat to the integrity of onshore oil and gas pipelines. There exist needs for developing reliable models that can quantify the probability of pipeline exposure to TPD threats. Bayesian networks (BN) modeling possesses the advantage...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12713
... under laboratory and field exposures. From the results, it is possible to better understand the atmospheric corrosion of steel and zinc under various exposure conditions. The technique should also allow the design of reliable and realistic corrosion tests for different industrial applications...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12751
...-thickness limitations of candidate alloys. An initial model has been proposed and additional work is in progress to validate the model with longer-term exposures at 900°C and modify the model to capture additional service parameters such as cycle frequency and the effect of water vapor. Additional issues...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12813
... calorimetry for melt range and thermal properties, scanning electron microscopy with associated energy dispersive x-ray spectroscopy for elemental analysis, and x-ray photoelectron spectroscopy for surface elemental analysis. Accelerated environmental exposure tests - salt spray (fog) tests, humidity tests...
Proceedings Papers
Publisher: NACE International
Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-12808
... integrity Corrosion Inhibition droplet materials and corrosion metals & mining Production Chemistry riser corrosion Upstream Oil & Gas Corrosion Management immersion Pipeline Corrosion Subsurface Corrosion H2S management Publication Division exposure protection steel permission...
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