Stress corrosion cracking of cold worked austenitic stainless steel pipes in BWR reactor water

Seppo Tähtinen, Hannu Hänninen, Margareta Trolle

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussaConference contributionScientificvertaisarvioitu

5 Sitaatiot (Scopus)

Abstrakti

The results of the failure analysis, material characterization and stress corrosion cracking (SCC) tests of cold bent, seamless austenitic stainless steel pipes removed from scram system 354 of Ringhals 1 BWR plant after 11 years operating time at 240 °C are presented. The material characterization and also the stress corrosion cracking susceptibility study of the cold bent pipes were performed for materials taken from different depths of the pipe wall thickness. Stress corrosion tests were carried out in simulated BWR water environments at 288 °C with varying oxygen contents. The results indicated that highly cold worked material is susceptible to IGSCC without any marked sensitization under constant loading, while dynamic loading results in TGSCC.

AlkuperäiskieliEnglanti
OtsikkoPROCEEDINGS OF THE SIXTH INTERNATIONAL SYMPOSIUM ON ENVIRONMENTAL DEGRADATION OF MATERIALS IN NUCLEAR POWER SYSTEMS - WATER REACTORS
ToimittajatRobert E. Gold, Edward P. Simonen
Sivut265-275
Sivumäärä11
TilaJulkaistu - 1993
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisuussa
TapahtumaInternational Conference on Environmental Degradation of Materials in Nuclear Power Systems and Water Reactors - San Diego, Yhdysvallat
Kesto: 1 elokuuta 19935 elokuuta 1993
Konferenssinumero: 6

Conference

ConferenceInternational Conference on Environmental Degradation of Materials in Nuclear Power Systems and Water Reactors
MaaYhdysvallat
KaupunkiSan Diego
Ajanjakso01/08/199305/08/1993

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