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Pekka Nevasmaa

1987 …2018
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  • 14 Similar Profiles
Welds Engineering & Materials Science
Dissimilar metals Engineering & Materials Science
Steel Engineering & Materials Science
Fracture toughness Engineering & Materials Science
Structural integrity Engineering & Materials Science
High strength steel Engineering & Materials Science
Weldability Engineering & Materials Science
Toughness Engineering & Materials Science

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Research Output 1987 2018

Effect of thermal aging on fracture mechanical and microstructural properties of Alloy 52 narrow-gap safe-end dissimilar metal weld

Ahonen, M., Sarikka, T., Mouginot, R., Lindqvist, S., Lydman, J., Ehrnsten, U., Nevasmaa, P. & Hänninen, H., 15 Sep 2018, (Accepted/In press) Proceedings of “Fontevraud 9 - Contribution of Materials Investigation and Operating Experience to Light Water NPPs Safety, Performance and Reliability”, Avignon, 17-20 September 2018. France, 2018.. 13 p.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific

Effect of thermal aging on fracture mechanical properties and crack propagation behavior of alloy 52 narrow-gap dissimilar metal weld

Ahonen, M., Lindqvist, S., Sarikka, T., Lydman, J., Mouginot, R., Ehrnstén, U., Nevasmaa, P. & Hänninen, H., 1 Jan 2018, Proceedings of the 18th International Conference on Environmental Degradation of Materials in Nuclear Power Systems – Water Reactors. Jackson, J. H., Paraventi, D. & Wright, M. (eds.). Springer, Vol. 2. p. 733-747 15 p. (Minerals, Metals and Materials Series; No. Part F11).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Dissimilar metals
Thermal aging
Crack propagation
Welds
Fracture toughness

Microstructural characterization of alloy 52 narrow-gap dissimilar metal weld after aging

Sarikka, T., Mouginot, R., Ahonen, M., Lindqvist, S., Ehrnstén, U., Nevasmaa, P. & Hänninen, H., 1 Jan 2018, Proceedings of the 18th International Conference on Environmental Degradation of Materials in Nuclear Power Systems – Water Reactors. Jackson, J. H., Paraventi, D. & Wright, M. (eds.). Springer, Vol. 2. p. 763-777 15 p. (Minerals, Metals and Materials Series; No. Part F11).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Dissimilar metals
Welds
Aging of materials
Nuclear power plants
Thermal aging

Thermal ageing and mechanical performance of narrow-gap dissimilar metal welds

Ahonen, M., Lindqvist, S., Leskelä, E., Lydman, J., Nevasmaa, P., Seppänen, T., Arffman, P., Ehrnsten, U., Sarikka, T., Mouginot, R. & Hänninen, H., Jun 2018, Espoo: VTT Technical Research Centre of Finland. 189 p. (VTT Technology; No. 333).

Research output: Book/ReportReportProfessional

Open Access
Dissimilar metals
Thermal aging
Welds
Fusion reactions
Cracks
6 Citations (Scopus)

Effect of mechanical mismatch on fracture mechanical behavior of SA 508 - Alloy 52 narrow gap dissimilar metal weld

Sarikka, T., Ahonen, M., Mouginot, R., Nevasmaa, P., Karjalainen-Roikonen, P., Ehrnstén, U. & Hänninen, H., 1 Nov 2017, In : International Journal of Pressure Vessels and Piping. 157, p. 30-42 13 p.

Research output: Contribution to journalArticleScientificpeer-review

Dissimilar metals
Welds
Filler metals
Heat affected zone
Carbon