... as related to MIC. On the other hand, the biofilm formation was characterized by SEM-EDS and electrochemical techniques, using its ability of MIC in carbon steel; showing that the unconventional microbial consortium slightly higher corrosion capacity (2.35 mm/y) than the conventional microbial consortium...

... of the corrosion inhibitor. In this project, a new testing methodology was adopted which enables both scale and corrosion performance evaluation to be made in the same test set-up. Studies of the surface scale morphology using the scanning electron microscope (SEM) with Energy Dispersive X-Ray analysis (EDX), its...

... isotherm. The formation of inhibitor film on mild steel surface was confirmed by the scanning electron microscope (SEM) and energy-dispersive X-ray spectroscopy (EDX). The quantum chemical parameters were used to study the reactivity of IP inhibitor with iron surface. An inhibitor adsorption model...

..., and carburization were absent. Coker furnace tubes alloy 800HT sulfidation sensitization SEM EXPERIMENTAL PROCEDURE Samples of corroded alloy 800HT furnace tubes were received from Refinery I and Refinery II in 2017. During an inspection survey in 2015, both refineries reported corrosion rates as high as 14...

... (SEM). The viability of the chloride-salt as a replacement for the currently used fluoride salts and the effects of the molten salt on the tested alloys are discussed based on the results from this study. Generation IV nuclear reactors magnesium chloride molten salt corrosion SEM INTRODUCTION...

... in CO₂/H₂S environment. Electroless Ni-P coating CO₂ H₂S corrosion EIS SEM electrolyte penetration INTRODUCTION Carbon steel has been widely used in the oil and gas industries due to its good mechanical and chemical properties and relatively low cost in the past...

... was determined by weight loss method, and the corrosion scale was characterized by Scanning Electron Microscopy (SEM), Energy Dispersive Spectroscopy (EDS), and X-ray Diffraction (XRD). The results indicated that N80 tubing steel suffered from severe corrosion and microstructure of corrosion scale...

... to a Stress Corrosion Cracking (SCC) mechanism. Duplex pitting corrosion stress corrosion polarization SEM AFM NACE MR0175/ISO 15156-3 The super duplex stainless steels exhibit high corrosion resistance as compared to other steels, in particular at temperatures up to 250°C ¹ . Due...

... characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), Fourier transforms infrared spectroscopy (FTIR), sedimentation test, and electrochemical impedance spectroscopy (EIS). One major finding was that superior compatibility of UF resin with epoxy resin retained the high...

... inhibition to local attack. On contrary, surface characterization techniques, like optical microscopy (OM), scanning electron microscopy (SEM), energy dispersive X-ray (EDX), profilometry, Auger electron spectroscopy (AES), X-ray photoelectron spectroscopy (XPS), secondary ion-mass spectroscopy (SIMS), which...

... steel coupons were exposed to these water samples and the qualitative amount of corrosion was monitored visually. At the completion of the exposure period, selected samples were analyzed using a scanning electron microscope fitted with energy dispersive x-ray spectroscopy (SEM/EDS) and x-ray diffraction...

... these specimens, three BNCT (C704, C707 and C708) and one highly polished CLT (IN033) specimen were investigated using FIB/SEM with exposure conditions listed in Table 4 . A more detailed description of the specimen dimension, surface preparation and SCC testing procedures can be found in a companion paper...

... to the probe surface for the low CP experiments was elevated, due to cathodic currents measured during the last weeks of the experiment. SEM/EDS SEM images of the probe surface material are shown in Figure 8 . Since the medium CP probes appeared blank, material from the solid precipitation in Figure 3...

...-oxidized samples was investigated by exposure to reducing, highly carburizing atmosphere (CO in Ar) at 20 bar and varying temperature (550- 750 °C). The resulting surfaces were examined by scanning electron microscopy (SEM), Raman spectroscopy, depth profile analysis by Auger electron spectroscopy (AES...

... analyzed using weight change measurements, electrochemical techniques and a range of surface analytical tools. Ni-Cr-Mo (W) Alloys All-Weld-Metal Heat-Affected-Zone Acids Critical Pitting Temperature Critical Crevice Temperature Potentiodynamic Technique SEM XRD INTRODUCTION Nickel-alloys...

... microscopy, Scanning Electron Microscopy (SEM) and X-Ray Diffraction (XRD). Optical microscopy was performed with a Leica ² DMI5000 M inverted research microscope and DFC425 digital microscope camera. SEM was performed with a ZEISS ² SUPRA 40 Field Emission Scanning Electron...

... microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX). Variations in temperature, both in the absence and presence of oxygen, have little effect on corrosion behavior. Therefore, the effect of dissolved oxygen on the corrosion behavior is stronger than that of temperature. Marine corrosion...

... resolution XPS spectra for Ni 2p, Cr 2p, Mo 3d, W 4f, C 1s and O 1s spectral regions. The SEM images of the creviced corroded specimens were obtained on a LEO ³ 440 SEM equipped with an EDAX ¹ EDX system. The depth of penetration and images of the corroded region were obtained using...

... was compared to fracture stress for un-charged samples. Examination in SEM was executed to document fracture morphology of fractured samples. In addition the hydrogen content of test samples was documented with melt extraction technique. UNS N07718 UNS N07725 Hydrogen Induced Stress Cracking SEM...

... containing Cu. The SEM images of the creviced corroded specimens were obtained on a LEO 440 ^c SEM equipped with an EDAX ^c EDX system. To analyze the Cu content after the crevice corrosion experiment, elemental depth profiling was performed using Dynamic-SIMS and a sputtering technique...