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Seppo Tähtinen

  • Phone+358503549037
1981 …2013

Research output per year

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Research Output

Article

A comparative TEM study of in-reactor and post-irradiation tensile tested copper

Pakarinen, J., Tähtinen, S. & Singh, B. N., 2013, In : Journal of Nuclear Materials. 442, 1-3 suppl.1, p. S821-S825

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Application of the internal friction method to studying microstructural effects in fusion materials

Tähtinen, S., Jagodzinski, Y., Tarasenko, A., Smouk, S. & Hänninen, H., 2000, In : Journal of Nuclear Materials. 283-287, Part 1, p. 255 - 258 4 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Assessment of materials data for blanket materials within the European contribution to ITER

Wikman, S., Peacock, A., Zlamal, O., Öijerholm, J., Tähtinen, S., Rödig, M., Marmy, P., Gillia, O., Lorenzetto, P. & Heikkinen, S., 2013, In : Journal of Nuclear Materials. 442, Supplement, p. S414-S419 6 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Damage mechanisms and fracture toughness of GlidCop® CuAl25 IG0 copper alloy

Tähtinen, S., Laukkanen, A. & Singh, B., 2000, In : Journal of Nuclear Materials. 283-287, Part 2, p. 1028 - 1032 5 p.

Research output: Contribution to journalArticleScientificpeer-review

11 Citations (Scopus)

Dielectric window for reactor like ICRF vacuum transmission line

Heikinheimo, L., Linden, J., Kaye, A., Orivuori, S., Saarelma, S., Tähtinen, S., Walton, R., Wasastjerna, F. & Heikkinen, J. A., 2001, In : Fusion Engineering and Design. 55, 4, p. 419-436 18 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Effect of displacement dose and irradiation temperature on tensile and fracture toughness properties of titanium alloys

Tähtinen, S., Moilanen, P. & Singh, B. N., 2007, In : Journal of Nuclear Materials. 367-370 , Part A, p. 627-632

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Effect of heat treatments on precipitate microstructure and mechanical properties of a CuCrZr alloy

Edwards, D. J., Singh, B. N. & Tähtinen, S., 2007, In : Journal of Nuclear Materials. 367-370 , Part B, p. 904-909

Research output: Contribution to journalArticleScientificpeer-review

58 Citations (Scopus)

Effect of lithium hydroxide on stability of fuel cladding oxide film in simulated pressurized water reactor primary water environments

Saario, T., Tähtinen, S. & Piippo, J., 1997, In : Corrosion. 53, 9, p. 724 - 729 6 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Effect of neutron irradiation on fracture toughness behaviour of copper alloys

Tähtinen, S., Pyykkönen, M., Karjalainen-Roikonen, P., Singh, B. & Toft, P., 1998, In : Journal of Nuclear Materials. 258-263, Part 1, p. 1010-1014

Research output: Contribution to journalArticleScientificpeer-review

29 Citations (Scopus)

Effect of neutron irradiation on mechanical properties of Cu/SS joints after single and multiple HIP cycles

Tähtinen, S., Singh, B. & Toft, P., 2000, In : Journal of Nuclear Materials. 283-287, Part 2, p. 1238 - 1242 5 p.

Research output: Contribution to journalArticleScientificpeer-review

1 Citation (Scopus)

Effect of specimen type and size on fracture resistance curve determination of CuCrZr alloy

Karjalainen-Roikonen, P., Pyykkönen, M. & Tähtinen, S., 1998, In : Journal of Nuclear Materials. 258-263, Part 1, p. 462-465

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

European achievements for ITER high heat flux components

Merola, M., Vieider, G., Bet, Vastra, I. B., Briottet, L., Chappuis, P., Cheyne, K., Dell'Orco, G., Duglué, D., Duwe, R., Erskine, S., Escourbiac, F., Fèbvre, M., Grattarola, M., Moreschi, F., Orsinini, A., Pamato, R., Petrizzi, L., Plöchl, L., Riccardi, B. & 9 others, Rigal, E., Rödig, M., Salavy, J. F., Schedler, B., Schlosser, J., Tähtinen, S., Vesprini, R., Visca, E. & Wu, C., 2001, In : Fusion Engineering and Design. 56-57, p. 173-178 6 p.

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)

Hydrogen-induced phase transformations in a austenitic stainless steel

Tähtinen, S., Hänninen, H. & Nenonen, P., 1986, In : Scripta Metallurgica et Materialia. 20, 1, p. 153-157

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Influence of nitrogen alloying on hydrogen embrittlement in AISI 304-type stainless steels

Hannula, S-P., Hänninen, H. & Tähtinen, S., 1984, In : Metallurgical Transactions A: Physical Metallurgy and Materials Science. 15, 12, p. 2205 - 2211 7 p.

Research output: Contribution to journalArticleScientificpeer-review

34 Citations (Scopus)

In-reactor uniaxial tensile testing of pure copper at a constant strain rate at 90 ºC

Singh, B. N., Tähtinen, S., Moilanen, P., Jacquet, P. & Dekeyser, J., 2003, In : Journal of Nuclear Materials. 320, 3, p. 299-304 6 p.

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Internal friction study of hydrogen behaviour in low activated martensitic F82H steel

Jagodzinski, Y., Tarasenko, A., Smuk, S., Tähtinen, S. & Hänninen, H., 1999, In : Journal of Nuclear Materials. 275, 1, p. 47-55 9 p.

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)

Investigations of copper to stainless steel joints

Tähtinen, S., Laukkanen, A. & Singh, B. N., 2001, In : Fusion Engineering and Design. 56-57, p. 391-396 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Main achievements of the EU HT test programme of ITER primary wall small scale mock ups

Lorenzetto, P., Cardella, A., Chappuis, P., Daenner, W., Erskine, A., Febvre, M., Hofmann, G., Le Gallo, P., Stamm, H. & Tähtinen, S., 2000, In : Fusion Engineering and Design. 49-50, p. 263-268 6 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Manufacture of blanket shield modules for ITER

Lorenzetto, P., Boireau, B., Boudot, C., Bucci, P., Furmanek, A., Ioki, K., Liimatainen, J., Peacock, A., Sherlock, P. & Tähtinen, S., 2005, In : Fusion Engineering and Design. 75-79, p. 291 - 296 6 p.

Research output: Contribution to journalArticleScientificpeer-review

16 Citations (Scopus)

Non-destructive testing of divertor components

Merola, M., Chappuis, P., Escourbiac, F., Grattarola, M., Jeskanen, H., Kauppinen, P., Plöchl, L., Schedler, B., Schlosser, J., Smid, I., Tähtinen, S., Vesprini, R., Visca, E. & Zabernig, A., 2002, In : Fusion Engineering and Design. 61-62, p. 141-146

Research output: Contribution to journalArticleScientificpeer-review

24 Citations (Scopus)

On internal friction mechanisms in hydrogen charged stable austenitic stainless steel

Gavriljuk, V., Hänninen, H., Jagodzinski, Y., Tarasenko, A., Tähtinen, S. & Ullakko, K., 1993, In : Scripta Metallurgica et Materialia. 28, 8, p. 901 - 906 6 p.

Research output: Contribution to journalArticleScientificpeer-review

9 Citations (Scopus)

Overview of recent European materials R&D activities related to ITER

Peacock, A. T., Barabash, V., Dänner, W., Rödig, M., Lorenzetto, P., Marmy, P., Merola, M., Singh, B. N., Tähtinen, S., van der Laan, J. & Wu, C. H., 2004, In : Journal of Nuclear Materials. 329-333, p. 173-177 5 p.

Research output: Contribution to journalArticleScientificpeer-review

25 Citations (Scopus)

Properties of copper-stainless steel HIP joints before and after neutron irradiation

Tähtinen, S., Laukkanen, A., Singh, B. N. & Toft, P., 2002, In : Journal of Nuclear Materials. 307-311, Part 2, p. 1547-1553

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Specification of properties and design allowables for copper alloys used in HHF components of ITER: Section 7. Metals other than steels, V and Be

Kalinin, G. M., Fabritziev, S. A., Singh, B. N., Tähtinen, S. & Zinkle, S. J., 2002, In : Journal of Nuclear Materials. 307-311, Part 1, p. 668-672

Research output: Contribution to journalArticleScientificpeer-review

24 Citations (Scopus)

Status of fabrication development for plasma facing components in the EU

Daenner, W., Merola, M., Lorenzettoa, P., Peacock, A., Bobin-Vastra, I., Briottet, L., Buccic, P., Conchon, D., Erskine, A., Escourbia, F., Febvre, M., Grattarola, M., Hjorth, C. G., Hofmann, G., Ilzhoefer, A., Lill, K., Lind, A., Linke, J., Richards, W., Rigal, E. & 6 others, Roedig, M., Saint-Antonin, F., Schedler, B., Schlosser, J., Tähtinen, S. & Visca, E., 2002, In : Fusion Engineering and Design. 61-62, p. 61-70

Research output: Contribution to journalArticleScientificpeer-review

27 Citations (Scopus)

Status of the EU R&D programme on the blanket-shield modules for ITER

Lorenzetto, P., Boireau, B., Boudot, C., Bucci, P., Frayssines, P. E., Furmanek, A., Hajek, P., Gillia, O., Peacock, A., Ricapito, I., Roedig, M., Sherlock, P., Schmalz, F. & Tähtinen, S., 2008, In : Fusion Engineering and Design. 83, 7-9, p. 1015 - 1019 5 p.

Research output: Contribution to journalArticleScientificpeer-review

10 Citations (Scopus)

Tensile and fracture toughness properties of unirradiated and neutron irradiated titanium alloys

Tähtinen, S., Moilanen, P., Singh, B. N. & Edwards, D. J., 2002, In : Journal of Nuclear Materials. 307-311, Part 1, p. 416-420

Research output: Contribution to journalArticleScientificpeer-review

18 Citations (Scopus)

The feasibility of small size specimens for testing of environmentally assisted cracking of irradiated materials and of materials under irradiation in reactor core

Toivonen, A., Moilanen, P., Pyykkönen, M., Tähtinen, S. & Rintamaa, R., 1999, In : Nuclear Engineering and Design. 193, 3, p. 309-316 8 p.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Ultrasonic studies on ITER divertor and first wall prototype modules

Pitkänen, J., Kauppinen, P., Jeskanen, H., Tähtinen, S. & Sandlin, S., 2003, In : Fusion Engineering and Design. 66-68, p. 359-364 6 p.

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Vetyä joka kotiin

Heikkilä, M. & Tähtinen, S., 1988, In : Tiede 2000. 8, 3, p. 52-55

Research output: Contribution to journalArticleGeneral public

Vety Saksan liikenteessä

Translated title of the contribution: Hydrogen fuel in GermanyTähtinen, S., 1991, In : NEMO News. 1, p. 4-7

Research output: Contribution to journalArticleProfessional

Article in a proceedings journal

European development of carbon armoured plasma facing components for ITER

Merola, M., Vieider, G., Wu, C., Schedler, B., Chappuis, P., Duwe, R., Escourbiac, F., Febvre, M., Grattarola, M., Rödig, M., Schlosser, J., Tähtinen, S. & Vesprini, R., 2001, In : Physica Scripta. T91, p. 104-109

Research output: Contribution to journalArticle in a proceedings journalScientificpeer-review

4 Citations (Scopus)
Book (editor)

22nd Symposium on Fusion Technology: Book of Abstracts

Tähtinen, S. (ed.), Asikainen, M. (ed.), Rintamaa, R. (ed.) & Tuomisto, H. (ed.), 2003, VTT Technical Research Centre of Finland. 509 p. (VTT Symposium; No. 220).

Research output: Book/ReportBook (editor)

Open Access

The 22nd Symposium on Fusion Technology. Helsinki, FI, 9th - 13th September 2002. Book of Abstracts

Tähtinen, S. (ed.), Rintamaa, R. (ed.), Asikainen, M. (ed.) & Tuomisto, H. (ed.), 2002, Espoo: VTT Technical Research Centre of Finland. 507 p. (VTT Symposium; No. 220).

Research output: Book/ReportBook (editor)

Open Access
Chapter or book article

Hydrogen-induced phase transformations in thin specimen of an austenitic stainless steel

Tähtinen, S., Nenonen, P. & Hänninen, H., 1987, Chemistry and physics of fracture. Latanision, R. M. & Jones, R. H. (eds.). Dordrecht: Springer, p. 568-573 (Nato Advanced Study Institutes Series E: Applied Sciences, Vol. 130).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientificpeer-review

Mechanical testing under simultaneous neutron irradiation

Moilanen, P. & Tähtinen, S., 2005, Industrial Systems Review 2005. Kleemola, H. (ed.). VTT Technical Research Centre of Finland, p. 90-93 (Industrial systems review; No. 2005).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Renewal of Active Materials Research Infrastructure (AKTUS): AKTUS summary report

Tähtinen, S., 2011, SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. Espoo: VTT Technical Research Centre of Finland, p. 464-466 (VTT Tiedotteita - Research Notes; No. 2571).

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Open Access
Conference Abstract

Qualification of CuCrZr alloy to stainless steel joints

Tähtinen, S., Moilanen, P. & Singh, B. N., 2005.

Research output: Contribution to conferenceConference AbstractScientific

Conference abstract in proceedings

Deformation behaviour of pure copper during in-reactor tensile tests at 90 °C

Singh, B. N., Tähtinen, S., Moilanen, P., Jacquet, P., Dekeyser, J. & Edwards, D. J., 2003, Abstracts ICFRM-11. 2 p.

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

Ultrasonic studies on iter divertor and first wall prototype modules

Pitkänen, J., Kauppinen, P., Jeskanen, H., Tähtinen, S. & Sandlin, S., 2002, 22nd Symposium on Fusion Technology: Book of Abstracts. Espoo: VTT Technical Research Centre of Finland, p. 78-78 B-36. (VTT Symposium; No. 220).

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

Open Access
Conference article

Hydride heat pump and hydrogen technology

Tähtinen, S. & Tonteri, H., 1989. 4 p.

Research output: Contribution to conferenceConference articleProfessional

In-reactor creep-fatigue tests of a CuCrZr alloy at about 333K

Moilanen, P., Tähtinen, S., Singh, B. N., Jacquet, P. & Dekeyser, J., 2005.

Research output: Contribution to conferenceConference articleScientificpeer-review

In-reactor deformation behaviour of copper and CuCrZr alloy: Experiments, results and implications

Singh, B. N., Tähtinen, S., Moilanen, P., Jacquet, P., Dekeyser, J. & Edwards, D. J., 2005.

Research output: Contribution to conferenceConference articleScientificpeer-review

In situ measurement of the effect of LiOH on the stability of zircaloy-2 surface film in PWR water

Saario, T. & Tähtinen, S., 1993. 26 p.

Research output: Contribution to conferenceConference articleScientific

Integrated infrastructure initiatives for material testing reactor innovations

Dekeyser, J., Iracane, D., Bakker, K., Böck, H., Chen, J., Dousson, T., Gonnier, C., Guigon, A., Gaillot, S., Heyse, J., Kysela, J., Marques, J., Martin-Fuertes, F., Parrat, D., Pierre, J., Schuurmans, P., Tähtinen, S. & Vermeeren, L., 2009. 21 p.

Research output: Contribution to conferenceConference articleScientificpeer-review

MELODIE: An advanced device for study of the irradiation creep of LWR cladding with online biaxial control of stress and strain

Guimbal, P., Auclair, M., Carassou, S., Moilanen, P., Tähtinen, S. & Villard, J-F., 2009. 5 p.

Research output: Contribution to conferenceConference articleScientificpeer-review

Metallien korroosio-ominaisuuksien arvioiminen korkealämpötila-pH-potentiaalidiagrammien avulla

Tähtinen, S., 1984. 11 p.

Research output: Contribution to conferenceConference articleProfessional

Studies on phase transitions and crystallography in hydrogen embrittlement of austenitic stainless steel

Hänninen, H. & Tähtinen, S., 1984. 2 p.

Research output: Contribution to conferenceConference articleScientific

Conference article in proceedings

A comparison of HE and SCC sesceptibility of an age hardenable nickelbase alloy

Kekkonen, T., Hänninen, H. & Tähtinen, S., 1986, Proceedings of the 1986 Workshop on advanced high-strength materials. Gennaro, M. & Nelson, J. (eds.). Palo Alto, 19 p. 13. (EPRI Report; No. NP-6363).

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

Application of a multipotential test method for rapid screening of austenitic stainless steels in process environments

Aaltonen, P., Pohjanne, P., Tähtinen, S. & Hänninen, H., 1993, Application of accelerated corrosion test to service life prediction of materials. Gragnolino, G. & Sridhar, N. (eds.). American Society for Testing and Materials ASTM, p. 325-339

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