Research theme　－　High-temperature strength and inelastic deformation of structures

Example of inelastic deformation problems in plant due to high temperature operation.

Strain concentration evaluation

FBR components operate at high temperature and low pressure. In these conditions high temperature creep is a dominant damage mechanism. Since the fatigue strength is reduced by creep strain rate due to inelastic behaviour and stress redistribution appears, discontinuities in the structure are particularly important for correct damage prediction.

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• Safety and reliability of elevated temperature systems
• Analysis of thermal loadings and fatigue from fluid/structure interaction
• Inelastic behavior of elevated temperature designs

• Integration of different fields of study
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• Lecture and training

• Fast breeder reactor cycle research and development
• Safety enhancement of
  light water reactors
• Enhancement of chemical plant
  and rocket reliability

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• University of Tokyo
• School of engineering
• Department of
  nuclear engineering and management
• Demachi laboratory
• Ishiwatari laboratory