TAG 4.2 Material and material testing
AMANE – Additively Manufactured Materials in Nuclear Environments, VTT
Conference papers and journal articles:
Que, Z., Riipinen, T., Ferreirós, P., Goel, S., Sipilä, K., Saario, T., Ikäläinen, T., Toivonen, A., Revuelta, A. 2024. Effects of surface finishes, heat treatments and printing orientations on stress corrosion cracking behavior of laser powder bed fusion 316L stainless steel in high-temperature water. Corrosion Science, Volume 233, June 2024, 112118. https://doi.org/10.1016/j.corsci.2024.112118
BRIGHT – Barsebäck RPV investigation through thickness, VTT
Conference papers and journal articles:
Hytönen, N., Lindqvist, S., Lydman, J., Ge, Y., Que, Z., Efsing, P. 2025. Microscopic characterisation of brittle fracture initiation in irradiated and thermally aged low-alloy steel welds of a decommissioned reactor pressure vessel. Journal of Nuclear Materials, Volume 603, 155423. https://doi.org/10.1016/j.jnucmat.2024.155423
CHAOS – Characterization of NPP structural integrity, VTT
Conference papers and journal articles:
Arffman, P. 2024. Improved Analysis of Miniature Impact Toughness Tests. ASME 2024 Pressure Vessels and Piping Conference (PVP 2024). 28 July – 2 August 2024, Bellevue, Washington, USA. https://doi.org/10.1115/PVP2024-123330
Lindqvist, S., Forsström, A., Veijola, T., Collins, W. 2024. Low constraint fracture toughness testing for master curve reference temperature determination using 10 mm-thick SE(B) and SE(T) specimens. Engineering Fracture Mechanics, Volume 310, 110434. https://doi.org/10.1016/j.engfracmech.2024.110434
Sirkiä, L., Suman, S., Arffman, P., Hytönen, N., Virkkunen, I. 2024. On comparison of fracture toughness of irradiated and thermally aged decommissioned nuclear weld metals with miniature specimen test technique. Theoretical and Applied Fracture Mechanics, Volume 133, Part B, 104598. https://doi.org/10.1016/j.tafmec.2024.104598
MINERVA – Mitigation of corrosion and novel water chemistries in light water reactors, VTT
Conference papers and journal articles:
Sipilä, K., Ferreirós, P., Ikäläinen, T., Mikkelson, A., Betova, I. & Bojinov, M. 2024. Decomposition products of oxygen scavengers and their effect on corrosion of steam generator materials – I. Diethyl-hydroxylamine and carbohydrazide. Corrosion Science, Volume 240. https://doi.org/10.1016/j.corsci.2024.112476
Research reports:
Vepsäläinen, M.. Skovbjerg, M. 2023. Monitoring of Corrosion Products in Nuclear Power Plants with Turbidimeters. VTT Research Report, VTT-R-00503-23. 22 p.
PRANCS – Practical solutions for sealant performance issues in nuclear power plants, VTT
Research reports:
Sipilä, K., Väisänen, P. 2024. Graphite sealant testing in high temperature water. VTT Research Report, VTT-R-00724-24. 13 p.