A5060158791- Non-Destructive Testing Techniques
- Microstructure and Mechanical Properties of Steels
- Magnetic Properties and Applications
- Material Properties and Failure Mechanisms
- Nuclear Materials and Properties
- Hydrogen embrittlement and corrosion behaviors in metals
- Welding Techniques and Residual Stresses
- High Entropy Alloys Studies
- Graphite, nuclear technology, radiation studies
- Magnetic Properties of Alloys
- Nuclear reactor physics and engineering
- Risk and Safety Analysis
- Software Reliability and Analysis Research
- Laser and Thermal Forming Techniques
- Ultrasonics and Acoustic Wave Propagation
- Structural Health Monitoring Techniques
- Fatigue and fracture mechanics
- Nuclear Physics and Applications
- Fusion materials and technologies
- Nuclear Engineering Thermal-Hydraulics
- Metal and Thin Film Mechanics
- Material Properties and Applications
Fraunhofer Institute for Nondestructive Testing
2012-2025
Fraunhofer Society
2011
Nuclear energy is presently the single major low-carbon electricity source in Europe and overall expected to maintain (perhaps eventually even increase) its current installed power from now 2045. Long-term operation (LTO) a reality essentially all nuclear European countries, when planning phase out. New builds are planned. Moreover, several including non-nuclear or phasing out ones, have interests next generation systems. In this framework, materials material science play crucial role...
The nondestructive determination of the neutron-irradiation-induced embrittlement nuclear reactor pressure-vessel steel is a very important and recent problem. Within scope so-called NOMAD project funded by Euratom research training program, novel electromagnetic testing evaluation (NDE) methods were applied to inspection irradiated steel. In this review, most results are summarized. Different used compared with each other. measurement destructively determined ductile-to-brittle transition...
Non-destructive evaluation (NDE) is highly relevant to assessing micro- and macrostructural changes in ferritic ferritic/martensitic steels subjected high temperature loading. These materials are widely used energy generation, where they undergo extreme thermal mechanical loads. This study examines the feasibility of micromagnetic NDE techniques, i.e., measurements, supported by machine learning methods, identify characterize caused loading at temperatures power plant steels, P91 chromium...
Abstract Electromagnetic properties are an interesting means for monitoring a variety of materials' mechanical in ferro‐ and paramagnetic materials non‐destructively. Those include uni‐ und multi‐axial stress states as well plasticity fatigue damage can be measured at macro‐ microscopic scales, depending on what measurement equipment will used. The article describes the general electromagnetic phenomena to considered used before presenting different experimental results from which mentioned...
The embrittlement of two types nuclear pressure vessel steel, 15Kh2NMFA and A508 Cl.2, was studied using different methods magnetic nondestructive testing: micromagnetic multiparameter microstructure stress analysis (3MA-X8) adaptive testing (MAT). mechanical properties reactor (RPV) materials are modified due to neutron irradiation; this material degradation can be characterized methods. For the first time, progressive change in irradiation investigated on same specimens, before after...
With an increasing number of power plants operated in excess their original design service life early recognition critical material degradation components will gain importance. Many years reactor safety research allowed for the identification and development electromagnetic NDE methods which detect precursors imminent damage with high sensitivity, at elevated temperatures a radiation environment. Regarding low-alloy heat-resistant steel grade WB 36 (1.6368, 15NiCuMoNb5), effects thermal...
Nondestructive magnetic measurement methods can be successfully applied to determine the embrittlement of nuclear pressure vessel steel caused by neutron irradiation. It was found in previous works that reasonable correlation could obtained between nondestructively measured parameters and destructively determined ductile-to-brittle transition temperature. However, a large scatter points detected even cases non-irradiated reference samples. The reason for their scattering attributed local...
Nondestructive determination of the neutron irradiation induced embrittlement nuclear reactor pressure vessel steel is a very important and recent problem. In frame so called NOMAD project, funded by Euratom research training program, novel nondestructive electromagnetic testing methods were applied for inspection irradiated steel. this review most results project are summarized. Different used compared with each other. Measurement destructively determined ductile to brittle transition...
We present a cross-cutting review of three on-going Horizon 2020 projects (ADVISE, NOMAD, TEAM CABLES) and one already finished FP7 project (HARMONICS), which address the reliability safety-relevant components systems in nuclear power plants, with scope ranging from pressure vessel primary loop to safety-critical software electrical cables. The paper discusses scientific challenges faced beginning achievements made throughout projects, including industrial impact lessons learned. Two...
Abstract Review: 29 refs.