Abstract
A wide range of pressurized systems in the field of chemical and power-plant techniques are made of austenitic material because of its special corrosion and temperature stability. Concerning safety components like pressure vessels and pipe systems, the quality of these components has to be controlled during production, and their condition during use has to be inspected in defined intervals. Especially for nuclear power plants, the detection of defects as well as the early recognition of material phase transformations in austenitic material is an important contribution to the assurance of the system integrity. Inside this paper, the results of the qualitative and quantitative non-destructive evaluation of this phenomenon will be presented. Therefore, material physics, FEM-calculations and applied advanced electromagnetic testing techniques will be explained.
Published Version
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