- Corrosion Behavior and Inhibition
- Hydrogen embrittlement and corrosion behaviors in metals
- Metal and Thin Film Mechanics
- Concrete Corrosion and Durability
- Electrocatalysts for Energy Conversion
- Fuel Cells and Related Materials
- Electrochemical Analysis and Applications
- Semiconductor materials and devices
- Electrodeposition and Electroless Coatings
- Advanced battery technologies research
- Non-Destructive Testing Techniques
- Advancements in Materials Engineering
- Material Properties and Failure Mechanisms
- Nanoporous metals and alloys
- Iron oxide chemistry and applications
- Ion-surface interactions and analysis
- Smart Materials for Construction
- Welding Techniques and Residual Stresses
- Waste Management and Environmental Impact
- Analytical Chemistry and Sensors
- Microstructure and Mechanical Properties of Steels
- Electron and X-Ray Spectroscopy Techniques
- Anodic Oxide Films and Nanostructures
- Advancements in Battery Materials
- Microstructure and mechanical properties
Institute of Physical Chemistry
2011-2023
Polish Academy of Sciences
2001-2023
University of Waterloo
1995
National Veterinary Research Institute
1988-1991
Centre National de la Recherche Scientifique
1990
Rensselaer Polytechnic Institute
1984-1987
University of Leeds
1968
Voltammetric and electrochemical impedance spectroscopy (EIS) measurements were performed to study the corrosion behavior of reinforcing steel in a simulated concrete pore solution with addition chloride anions mimosa tannin. Surface films analyzed Auger electron spectroscopy. Under open‐circuit conditions, chloride‐containing solutions, charge‐transfer resistance (Rct decreased after prolonged immersion, whereas interfacial capacitance (Cif) semicircle depression angle increased. These...
In situ Raman spectroscopy and rotating split‐ring disk electrode were used to identify products formed on iron in at 22°C various peaks of cyclic voltammograms. The peak the most active potential cathodic reverse sweep has been ascribed reduction Fe2+ species: this suggested that started form first anodic it built up nobler potentials. revealed formation wide range potentials, and/or III sweep, after prolonged polarization a 0.27 V (SCE). Rapid cycling or long exposure resulted . It is...
Abstract Anodic dissolution of nickel, electroless nickel deposits with 2.9 and 12.3 wt% P, amorphous Ni81P19 alloy was examined in sodium hydroxide, sulfate, borate, chloride solutions at 25 C. Phosphorus enhanced the anodic nickel; however, decreased as phosphorus content rose from to 12.3%. Auger electron spectroscopy (AES) analysis indicated that oxide-passivating films on NiP materials were thinner than those while scanning microscopy (SEM) energy dispersive x-ray (EDXA) examinations...
Abstract This study was undertaken to obtain data for development of a methodology and standard instruments evaluate the corrosion rate steel in concrete structures. Measurements polarization resistance reinforcing were made with three devices, two which operated on principle linear or without signal confinement. The third based superimposed current pulses high low frequency Bridges chosen as representative environmental conditions: marine environments, regions mild winters use deicing...
Steels Cr17Ni2 and Cr18Ni9Ti were plasma nitrided in ammonia at 585°C for 16h, the layers obtained examined by X-ray diffraction microhardness measurements. Corrosion properties determined 0.05M Na 2 SO 4 pH 3.0 5.0, with without added chloride, using a potentiodynamic polarisation method. Nitriding resulted deterioration of corrosion resistance, especially acidic (pH 3.0) solutions, whereas near neutral 5.0) chloride free solution was slight limitea to transpassive region. Ammonia ε +γ...
Conventional plasma nitriding of stainless steels is carried out at about 550°C which leads to an increase hardness, but also a decrease the corrosion resistance. The latter can be avoided by low-temperature 380-450°C. Anodic behavior nitrided 304L steel was examined here in pH 3, 6, and 9, 3. resistance chloride-free solution 3 lower than that unnitrided steel, whereas near-neutral solutions higher. In chloride-containing solution, exhibited much higher pitting steel. Nitrogen accelerated...
Abstract The effect of total carbon content on susceptibility iron to stress corrosion cracking (SCC), the depth intergranular without stresses, anodic polarization curves, and general rate was examined decarburized Armco its ferritic or martensitic alloys with up 1.4% in 5N NH4NO3 Ca(NO3)2, pH 5.0, at 75 100 C (167 212 F). SCC increased increasing about 0.009% above, it diminished further increase content. Carbon decreased ability passivate (depassivating action), but also promoted...