Mechanical behavior of high-Ni/high-Mn Barsebäck 2 reactor pressure vessel welds after 28 years of operation

Autor: Sebastian Lindqvist, Alex Norrgård, Pentti Arffman, Noora Hytönen, Jari Lydman, Pål Efsing, Siddharth Suman, Pekka Nevasmaa

Publikováno v: Lindqvist, S, Norrgård, A, Arffman, P, Hytönen, N, Lydman, J, Efsing, P, Suman, S & Nevasmaa, P 2023, ' Mechanical behavior of high-Ni/high-Mn Barsebäck 2 reactor pressure vessel welds after 28 years of operation ', Journal of Nuclear Materials, vol. 581, 154447 . https://doi.org/10.1016/j.jnucmat.2023.154447

To assess long-term operation of the reactor pressure vessel (RPV), surveillance programs are applied for periodic monitoring and prediction of the aging of the mechanical properties due to irradiation and thermal embrittlement. In literature, there

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::097f61845c256aefe56b150206494da8
https://doi.org/10.1016/j.jnucmat.2023.154447

Effect of weld microstructure on brittle fracture initiation in the thermally-aged boiling water reactor pressure vessel head weld metal

Autor: Pål Efsing, Zai qing Que, Pekka Nevasmaa, Jari Lydman, Noora Hytönen, Ulla Ehrnstén, Pentti Arffman

Publikováno v: Hytönen, N, Que, Z, Arffman, P, Lydman, J, Nevasmaa, P, Ehrnstén, U & Efsing, P 2021, ' Effect of weld microstructure on brittle fracture initiation in the thermally-aged boiling water reactor pressure vessel head weld metal ', International Journal of Minerals, Metallurgy and Materials, vol. 28, no. 5, pp. 867-876 . https://doi.org/10.1007/s12613-020-2226-6

Effects of the weld microstructure and inclusions on brittle fracture initiation are investigated in a thermally aged ferritic high-nickel weld of a reactor pressure vessel head from a decommissioned nuclear power plant. As-welded and reheated region

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e636414b56a17f3d2b6cf0356121f36
https://doi.org/10.1007/s12613-020-2226-6

A crack-location correction for T 0 analysis of an alloy 52 dissimilar metal weld

Autor: Sebastian Lindqvist, Jari Lydman, Pentti Arffman, Hannu Hänninen, Matias Ahonen

Publikováno v: Lindqvist, S, Ahonen, M, Lydman, J, Arffman, P & Hänninen, H 2019, ' A crack-location correction for T 0 analysis of an alloy 52 dissimilar metal weld ', Engineering Fracture Mechanics, vol. 214, pp. 320-334 . https://doi.org/10.1016/j.engfracmech.2019.03.001

For narrow-gap Alloy 52 dissimilar metal welds, the fusion boundary between the ferritic pressure vessel steel and austenitic Ni-base alloy weld metal is the weakest region from fracture mechanical perspective. Producing of the pre-crack for fracture

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7fbddf66fc1523c146fa6565adcae157
https://doi.org/10.1016/j.engfracmech.2019.03.001

Effect of weld microstructure on brittle fracture initiation in the thermally-aged boiling water reactor pressure vessel head weld metal.

Autor: Hytönen, Noora, Que, Zai-qing, Arffman, Pentti, Lydman, Jari, Nevasmaa, Pekka, Ehrnstén, Ulla, Efsing, Pål

Publikováno v: International Journal of Minerals, Metallurgy & Materials; May2021, Vol. 28 Issue 5, p867-876, 10p

Proceedings of the 18th International Conference on Environmental Degradation of Materials in Nuclear Power Systems – Water Reactors : Volume 2

Autor: John H Jackson, Denise Paraventi, Michael Wright

This two-volume set represents a collection of papers presented at the 18th International Conference on Environmental Degradation of Materials in Nuclear Power Systems – Water Reactors. The purpose of this conference series is to foster an exchange