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Evaluation of Fatigue Properties with Miniature Hourglass Specimen

Hirose, T
Graduate student,Graduate School of Energy Science, Kyoto University,

Suzuki, T
Graduate student,Graduate School of Energy Science, Kyoto University,

Tanigawa, H
Post doctoral researcher,Japan Atomic Energy Research Institute,

Ando, M
Post doctoral researcher,Japan Atomic Energy Research Institute,

Kohyama, A
Professor and associate professor,Institute of Advanced Energy, Kyoto University,

Katoh, Y
Professor and associate professor,Institute of Advanced Energy, Kyoto University,

Narui, M
Research assistant,Institute for Materials Research, Tohoku University,

Pages: 14    Published: Jan 2002

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Source: STP1418-EB

Abstract

In fusion applications, the structural materials will be exposed to cyclic stress caused by temperature cycling from reactor operation. Thus it has been recognized that the investigation of fatigue properties under fusion reactor conditions is essential to reactor design. The objectives of this work are to establish fatigue test techniques for irradiated specimens and to investigate the effect of cyclic deformation on the microstructure of reduced activation ferritic/martensitic steels, RAFs.

Keywords:
post-irradiation examination, fatigue test, small specimen test technique, microstructure, cyclic softening

Paper ID: STP10820S
Committee/Subcommittee: E10.02
DOI: 10.1520/STP10820S
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