A5085882919- Corrosion Behavior and Inhibition
- Hydrogen embrittlement and corrosion behaviors in metals
- Nuclear Materials and Properties
- Non-Destructive Testing Techniques
- Concrete Corrosion and Durability
- Electrochemical Analysis and Applications
- Nuclear reactor physics and engineering
- Nuclear Engineering Thermal-Hydraulics
- Fatigue and fracture mechanics
- High-Temperature Coating Behaviors
- Material Properties and Failure Mechanisms
- Metallurgical Processes and Thermodynamics
- High Temperature Alloys and Creep
- Welding Techniques and Residual Stresses
- Analytical Chemistry and Sensors
- Electrodeposition and Electroless Coatings
- Graphite, nuclear technology, radiation studies
- Anodic Oxide Films and Nanostructures
- Nuclear and radioactivity studies
- Additive Manufacturing Materials and Processes
- Subcritical and Supercritical Water Processes
- Advanced Power Generation Technologies
- Material Properties and Applications
- Metal and Thin Film Mechanics
- Engineering Diagnostics and Reliability
VTT Technical Research Centre of Finland
2014-2024
SRI International
2004
Office of Nuclear Energy
2004
Institute of Electrochemistry and Energy Systems
1998
Bulgarian Academy of Sciences
1998
AbstractAbstractFactors affecting the cleavage fracture stress and toughness K 1C in steel have been examined. A statistical method based on carbide induced is proposed, by which it possible to estimate study effect of different variables. The predictions made are excellent agreement with experimental results for a variety microstructures.
Stress corrosion cracking (SCC) of laser powder bed fusion 316 L stainless steel in oxygenated high-temperature water environments with chloride addition at 288 °C was studied. The influences surface finishes (as-built, mechanically polished, Hirtisation® and shot peened), heat treatments (solution annealing 1066 1150 hot isostatic pressing) the printing orientations on SCC were evaluated. Hirtisation resulted a lower susceptibility than as-built or polished while peening showed lowest...
The laser powder bed fused (LPBFed) stainless steels showed anomalous and localized corrosion behavior in the nuclear reactor high-temperature water compared to their wrought counterparts, which affects performance during plant operation. In this study, advanced microstructural characterization was performed on LPBFed 316 L sample along with after tests understand underlying mechanisms. results that an inhomogeneous/discontinuous inner oxide layer formed L, contrast continuous specimen. This...
Stress corrosion cracking (SCC) behaviour of laser powder bed fused stainless steel 316L was evaluated with U-bend testing in oxygenated high-temperature water at 288 °C. The effects solution annealing temperature (1066, 1150 and 1200 °C), surface finish (as-built wire cut) the sample orientations on SCC were studied. results show that a higher introduces further recrystallization, coarsening oxide inclusions decrease resistance to SCC. A cut leads susceptibility than as-built surface....
Corrosion mechanism of 316 L stainless steel produced by laser powder bed fusion-hot isostatic pressing (LPBF-HIP) and metallurgy-hot (PM-HIP) is studied with in-situ electrochemical impedance measurements coupled to detailed oxide film characterization. Quantitative analysis spectra using the Mixed-Conduction Model estimation local kinetic transport parameters interpretation in-depth elemental composition profiles indicated lower corrosion oxidation rates LPBF-HIP PM-HIP materials in...
The effects of machining surface preparations on the stress corrosion cracking (SCC) susceptibility in boiling water reactor environment were evaluated for Alloy 182 weld metal. Constant extension rate tensile test, constant load test and electrochemical tests (passivation, current-voltage curves impedance spectroscopy) showed that treatments strongly influence resistance to SCC initiation. machining-induced deformation oxide layer from affect re-passivation behaviour initiation...
The application of a mixed conduction model and new contact electric impedance (CEI) technique to predict quantitatively the electronic ionic transport properties oxide films on iron in nearly neutral tetraborate solution is discussed. mixed-conduction emphasizes coupling between defect structure conductivity an anodic film. Conventional electrochemical techniques have not been sufficient characterize properly metals. CEI makes it possible distinguish processes taking place at different...