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Application of advanced master curve approaches on WWER-440 reactor pressure vessel steels |
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| Authors: | Hans-Werner Viehrig Marc Scibetta Kim Wallin |
| Affiliation: | 1. Forschungszentrum Rossendorf e.V., Germany;2. SCK-CEN, Reactor Materials Research, Belgium;3. VTT Industrial Systems, Materials and Structural Integrity, Finland |
| Abstract: | The master curve (MC) approach used to measure the transition temperature, T0, was standarised in the ASTM Standard Test Method E 1921 in 1997. The basic MC approach for analysis of fracture test results is intended for macroscopically homogeneous steels with a body centred cubic (ferritic) structure only. In reality, due to the manufacturing process, the steels in question are seldom fully macroscopically homogeneous. |
| Keywords: | Reactor pressure vessel steel Fracture toughness Master curve approach Inhomogeneous material Random inhomogeneity Maximum likelihood procedure SINTAP procedure |
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