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Erschienen in:
2006 | OriginalPaper | Buchkapitel
Some Aspects of Engineering Approach to Structural Integrity Assessment
verfasst von : M. Kiric, A. Sedmak
Erschienen in: Fracture of Nano and Engineering Materials and Structures
Verlag: Springer Netherlands
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The structural integrity of nuclear steam supply systems in the U.S.A. was assured by designs that adhered to the ASME Boiler and Pressure Vessel Code and many other regulatory standards. The requirements of these codes and standards are based on linear elastic fracture mechanics (LEFM) concepts. In much or all of the working temperature regime of nuclear systems, power and chemical plants, as well aircraft propulsion, the material is being stressed above the transition temperature, where the fracture response is ductile and the material capable of considerable plastic deformation.