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Experiments were done with two levels of electrode diameters. Average localized corrosion rates and maximum pit-depths were monitored over time. Coupons of 17-4PH and GTD450 stainless steels were placed in the same environment to compare the results with that of CMEAS probes.
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A stochastic model of the overall cleaning process and consequent corrosion was developed for an ethylenediaminetetraacetic acid (EDTA) based cleaning process. The model includes: (1) a chemical reaction engineering model(s), (2) a finite-element analysis (FEA) and (3) a Markov model of non-uniform corrosion sites.
A series of pitting corrosion and electrochemical tests were performed, aimed at assessing the suitability of UNS S31603 (316L) in an anoxic brine where the chloride concentration was up to 250 000 mg l-1.
Corrosion behavior of austenitic stainless steel UNS S30400 (SS304) and austenitic stainless steel UNS S31603 (SS316L) was investigated to confirm, for the same chemicals and metallurgies, that electrochemical impedance spectroscopy (EIS) could be used as a tool to investigate the compatibility of neat chemical with stainless steels.
This study was to 1) develop a protocol to test coating performance on pitted stainless steel 2) compare performance of protective coating systems 3) determine application procedure.
The aim of this paper is to find a correlation between nitride content/distribution and properties of two of the largely adopted Duplex Stainless Steel (DSS), UNS* S32205 and UNS S32750. *Unified Numbering System
Builds upon a previous study that compared the corrosion resistance of multiple corrosion resistant alloys in several simulated (marine exhaust) scrubber environments.
Specimens of 12Cr martensitic stainless were annealed, tempered and shot-peened – then artificially pitted. Through a variety of tests, it was determined that the advantages of shot-peening are mostly retained after pitting.
Pitting corrosion of these steels in a high-temperature, high-CO2, low-H2S, and high-Cl- environment was investigated by scanning electron microscope (SEM), energy dispersive detector (EDS) and X-ray diffraction (XRD).
The stability of buffer solutions for martensitic stainless steel OCTG material was experimentally evaluated by the scratch repassivation technique in electrochemical measurements.
The susceptibility of Stress Corrosion Cracking (SCC) assisted by H2S according temperature and pH. In a second phase, links are highlighted between the differences of cracking resistance and localized corrosion morphologies.
A comprehensive parametric study was performed using a small-scale laboratory setup with the aim of investigating the occurrence of localized corrosion of mild steel in marginally sour environments.