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Keywords: resistance
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Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16696
... different Nb contents ranging from 300 to 1000 ppm is used. It was found that Nb addition allows the use of higher strength material without compromising the resistance to crack propagation (KISSC). The results are discussed in terms of microstructure, hydrogen pick-up and precipitation state. Key words...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16555
... Abstract ATI has developed ATI 642 ™† alloy, a new Ni-Cr-Mo corrosion-resistant alloy that displays significant resistance to sensitization from the effects of hot-clad bonding and welding operations. The new alloy is unique because of its substantial Fe content, which gives it a significant...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16314
... Abstract UNS N08935 is a new versatile austenitic alloy with the composition 35Ni-30Fe-27Cr-6.5Mo-0.28N and a PREN of 52. It has an extreme pitting resistance which makes the grade a good candidate for O&G applications. The alloy is available in several strength levels with good ductility...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16267
... fillers or ceramic beads are commonly used in chemical processing, Mining/Mineral & Ore processing, Oil/gas, Power (fossil, hydroelectric, and nuclear), water/waste water, etc. These coatings provide excellent corrosion and erosion resistance for metal and concrete surfaces. EIS is a useful tool...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16245
... for a proposed pipeline running in a common right-of-way with an existing powerline, the accepted technical approach is to collect powerline, pipeline and soil resistivity data, to use dedicated software to predict the pipeline voltages and then to calculate predicted AC current densities based on predicted...
Proceedings Papers

Paper presented at the CORROSION 2021, April 19–30, 2021
Paper Number: NACE-2021-16259
... is poorly configured, it can become the root cause of a very challenging, and sometimes dangerous condition – alarm fatigue. upstream oil & gas resistance machine learning classification variation artificial intelligence fit parameter alarm fatigue us government ampp retrieval system...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13010
... ABSTRACT Copper alloys are used in many seawater applications due to their environmentally assisted cracking resistance, general corrosion, pitting and crevice corrosion resistance as well as their anti-fouling properties. Age hardenable copper alloys such as copper-beryllium (Cu...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13070
...Wrought Copper-Nickel-Chromium- A New Concept for a Corrosion Resistant Copper Alloy Mr. Ivan Richardson BSc Hons Metallurgy, C Eng, DMS Copper Alloys Ltd, Stoke on Trent, ST6 2EP, UK ABSTRACT For many decades corrosion resistant copper alloys have been utilized in sea water applications...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13118
...What's Wrong with ASTM G48 Qualification Test in Duplex SS welds? ABSTRACT The application of Corrosion Resistant Alloys (CRA) in harsh environments and severe services is gaining a leading position across the Industry. Among the different CRA, Duplex & Superduplex stainless steels (DSS) represent...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13153
... conductance that is typically about 5 S/cm disables proper determination of corrosion current with standard Linear Polarization Resistance (LPR) technology. Other electrochemical techniques such as Electrochemical Impedance Spectroscopy (EIS) or Zero Resistance Ammetry (ZRA) that are capable to measure...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13177
... greenhouse emissions, increased fire and chemical resistance and reduced water utilization.6 The use of geopolymers in modern industrial applications is becoming increasingly popular based on their intrinsic environmental and performance benefits. Historically, trial applications of geopolymers were first...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13133
... and the impedance data was analyzed using a constant phase element (CPE) type electrical circuit to obtain the polarization resistances (Rp) as described in Shukla et al.5 The impedance of VCIs at different frequency is plotted as bode plots shown in Figure 2 (ac). Table 1 Working Reference Counter 3 ©2019 by NACE...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13270
... the iron bonds and causes environmental hydrogen embrittlement (EHE). 1,2 Corrosion Inhibition H2S management resistance coating Upstream Oil & Gas cathodic protection texas 77084 Production Chemistry strength steel oilfield chemistry Corrosion Management Publication Division...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13139
... repair. Three composite repair systems were designed to address the primary causes for composite failure: damage resistance, adhesion strength, resistance to cathodic disbondment, and proper installation. The three composite repair systems successfully completed a 14-month field trial in a coastal...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13156
... corrosive environments of the process industry. Along with the main material properties such as chemical composition, microstructure, mechanical properties, thermal stability, corrosion resistance and fabricability, several examples of application will be described. To approach the influence of fabrication...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13277
... coating with molybdenum disulfide (MoS 2 ) showed the highest corrosion resistance and coating durability during the immersion time relative to the bare 316L SS. The increased corrosion resistance is thought to be because of the interactions with the aggregations of the SunFO lamellar structure and MoS 2...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13128
... organic coatings is an efficient method to reduce corroding of such steels [4-6]. Epoxies are common resins for organic coatings applied for corrosion resistance applications due to their high corrosion, chemical, and thermal resistance [7-9]. Nevertheless, there are various defects and pores in organic...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13162
... Technology/Tube 8618 W. Little York Rd, Suite 100 Houston TX 77040 United States Per Olsson- Artberger Sandvik Materials Technology/Tube Stensmo, STO Sandviken, SE81181 Sweden ABSTRACT Pitting corrosion resistance by critical pitting temperature (CPT) has been determined per ASTM G150 on the full-size...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13134
... and electrochemical properties, especially corrosion resistance. This study investigated the role of chloride (Cl - ) in Cu corrosion in solutions containing sulfate (SO 4 2- ) and Cl - with residual O 2 concentrations of about 0.1-0.2 ppb at 50 °C. SO 4 2- concentration was kept constant at 2 × 10 3 ppm, while...
Proceedings Papers

Paper presented at the CORROSION 2019, March 24–28, 2019
Paper Number: NACE-2019-13258
... shown that typically-resistant alloys are apt to undergo more severe metal dusting attack under high-pressure conditions. The current study analyzes the metal-dusting behavior of a Ni-based Ni29Cr2Al alloy weldment tested under 19 bar total pressure at 620 °C. Of particular interest is the mechanism...

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