Early corrosion stage of welded carbon steel joints in CO2-saturated oilfield water
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Yongxin Lu
Abstract
The early corrosion stage of carbon steel welded joints in water occurring in a CO2-saturated oilfield was investigated. Electron backscatter diffraction (EBSD) and energy dispersive X-ray spectrometry (EDS) were used to characterize the microstructure and chemical composition distribution of the different zones in the welded joint. Atomic force microscopy (AFM) and a VEECO optical profiler were used to observe the sample surface corrosion morphology at different immersion times. The results show that the early stage corrosion characteristics of each zone in the welded joint are related to grain orientation and not related to grain size, grain boundary type, or to the second phase. Additionally, it was found that chemical composition distribution is the primary reason for the differences in the early stage corrosion characteristics observed for each zone in the welded joints.
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© 2020, Carl Hanser Verlag, München
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Metallurgical Evaluation and Failure Analysis of Cracking in Wheel Rim SPFH590 Steel
- Fatigue behavior of two notched cutting tool materials – high speed steel and cemented carbide
- Early corrosion stage of welded carbon steel joints in CO2-saturated oilfield water
- Effect of quenching and tempering temperature on the tensile properties of low alloyed boron steel
- Mechanical and microstructural characterization of AA7178-TiB2 composites
- Deformation calibration mode based on the potential drop technique and strain gage measurements
- Process parameter optimization for the magnetic abrasive finishing of SS310s steel
- Structure and properties of a boronized crankshaft coating
- Microstructure and properties of fiber laser welded high strength steel butt joints
- Reusability of metallurgical slag waste in submerged arc welding powder for hardfacing
- Microstructure and thermal properties of Bi-Sn eutectic alloy
- Dry-sliding wear behavior of AISI 4140 barrel steel at elevated temperatures
- Process parameters, development and applications of stir cast composite: A review
- An algebraic-analytic model for the characterization of the frequency domain of photodiodes
- BEZUGSQUELLEN
- Materials Testing
Artikel in diesem Heft
- Inhalt/Contents
- Contents
- Fachbeiträge/Technical Contributions
- Metallurgical Evaluation and Failure Analysis of Cracking in Wheel Rim SPFH590 Steel
- Fatigue behavior of two notched cutting tool materials – high speed steel and cemented carbide
- Early corrosion stage of welded carbon steel joints in CO2-saturated oilfield water
- Effect of quenching and tempering temperature on the tensile properties of low alloyed boron steel
- Mechanical and microstructural characterization of AA7178-TiB2 composites
- Deformation calibration mode based on the potential drop technique and strain gage measurements
- Process parameter optimization for the magnetic abrasive finishing of SS310s steel
- Structure and properties of a boronized crankshaft coating
- Microstructure and properties of fiber laser welded high strength steel butt joints
- Reusability of metallurgical slag waste in submerged arc welding powder for hardfacing
- Microstructure and thermal properties of Bi-Sn eutectic alloy
- Dry-sliding wear behavior of AISI 4140 barrel steel at elevated temperatures
- Process parameters, development and applications of stir cast composite: A review
- An algebraic-analytic model for the characterization of the frequency domain of photodiodes
- BEZUGSQUELLEN
- Materials Testing