Influence of neutron irradiation at 430°C on the fatigue properties of SA 316L steel

W. Vandermeulen; W. Hendrix; V. Massaut; J. Van de Velde

doi:10.1016/0022-3115(88)90447-3

Influence of neutron irradiation at 430°C on the fatigue properties of SA 316L steel

W. Vandermeulen, W. Hendrix, V. Massaut, J. Van de Velde

Research output › peer-review

Abstract

Fatigue tests have been carried out at 430°C on hour-glass shaped specimens of the CEC reference heat of SA 316L stainless steel. The tests were performed under constant total axial strain control with a triangular fully reversed wave shape at frequencies of 0.5, 0.05 and 0.005 Hz. Specimens irradiated at 430°C to doses of 9-12 dpa and helium contents of 80 to 145 appm showed a fatigue life reduction by about a factor of two, compared to unirradiated specimens. The cyclic stress is found to be strongly increased by the irradiation. The test frequency influences the fatigue hardening slightly but it does not affect the fatigue life.

Original language	English
Pages (from-to)	953-956
Number of pages	4
Journal	Journal of Nuclear Materials
Volume	155-157
Issue number	PART 2
DOIs	https://doi.org/10.1016/0022-3115(88)90447-3
State	Published - 2 Jul 1988

ASJC Scopus subject areas

Nuclear and High Energy Physics
General Materials Science
Nuclear Energy and Engineering

Access to Document

10.1016/0022-3115(88)90447-3

Cite this

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title = "Influence of neutron irradiation at 430°C on the fatigue properties of SA 316L steel",

abstract = "Fatigue tests have been carried out at 430°C on hour-glass shaped specimens of the CEC reference heat of SA 316L stainless steel. The tests were performed under constant total axial strain control with a triangular fully reversed wave shape at frequencies of 0.5, 0.05 and 0.005 Hz. Specimens irradiated at 430°C to doses of 9-12 dpa and helium contents of 80 to 145 appm showed a fatigue life reduction by about a factor of two, compared to unirradiated specimens. The cyclic stress is found to be strongly increased by the irradiation. The test frequency influences the fatigue hardening slightly but it does not affect the fatigue life.",

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AB - Fatigue tests have been carried out at 430°C on hour-glass shaped specimens of the CEC reference heat of SA 316L stainless steel. The tests were performed under constant total axial strain control with a triangular fully reversed wave shape at frequencies of 0.5, 0.05 and 0.005 Hz. Specimens irradiated at 430°C to doses of 9-12 dpa and helium contents of 80 to 145 appm showed a fatigue life reduction by about a factor of two, compared to unirradiated specimens. The cyclic stress is found to be strongly increased by the irradiation. The test frequency influences the fatigue hardening slightly but it does not affect the fatigue life.

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