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An investigation was conducted to assess the performance of a commercially available high shear carbon dioxide (CO2) corrosion inhibitor in a series of flow-induced corrosion and erosion–corrosion environments. The purpose of the study was to understand the role that high shear stress and sand particle impingement play in influencing the in-situ corrosion rate of API 5L X65 carbon steel in blank and...
Erosion–corrosion performance of two stainless steels (UNS S32760 and UNS S31603) for marine applications has been assessed under liquid–solid impingement conditions in 3.5% NaCl. The total material loss rate and the components of mechanical erosion, electrochemical corrosion and their synergistic interactions have been determined under various conditions. The major environmental parameters considered...
High-alloy stainless steels exhibit complex corrosion behaviour under liquid–solid impingement conditions compared with in static conditions. In this study the corrosion resistance under erosion–corrosion conditions and the overall erosion–corrosion resistance were examined for high-alloy stainless steel UNS S32654 and a standard austenitic stainless steel (UNS S31603) at 18 and 50°C in 3.5% NaCl...
The erosion–corrosion behaviour of three high-alloy stainless steels (UNS S31245, UNS S32654 and UNS S32750) under aggressive liquid–solid impingement conditions has been assessed using a combination of electrochemical tests and weight-loss analysis. The material loss occurring under conditions of varying solid loading (900mg/l), and at a temperature of 18°C, velocity of 17m/s and impingement angle...
Chromium nitride (CrN) films were synthesized by ion beam enhanced deposition (IBED) process which involves using an argon ion beam to sputter the chromium target while using a nitrogen ion beam to bombard the deposited film. The surface and cross-section morphologies of CrN films were studied by scanning electron microscope (SEM) and atomic force microscope (AFM). The distribution of chemical composition...
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