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Seppo Tähtinen

  • Phone+358503549037
1981 …2013

Research output per year

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Research Output

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

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)

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

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)

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

Determination of the lattice parameters of c.p. Ti in the temperature range of 25-900 C with MoKα-radiation

Vahvaselkä, S., Tähtinen, S. & Kivilahti, J., 1984, Helsinki: University of Helsinki. 15 p. (University of Helsinki: Department of Physics. Report Series in Physics, Vol. 237).

Research output: Book/ReportReport

Development of dielectric window to conductor assembly

Heikinheimo, L., Nuutinen, S. & Tähtinen, S., 1998, VTT Technical Research Centre of Finland. 41 p. (VALB; No. 294).

Research output: Book/ReportReport

Development of explosion welding (EXW) technique and characterisation of EXW joints

Tähtinen, S., Ehrnsten, U., Karjalainen-Roikonen, P., Moilanen, P., Kauppinen, P., Auerkari, P. & Rahka, K., 1997, Espoo: VTT Technical Research Centre of Finland. 30 p. (Liekki 2: Poltto- ja kaasutustekniikan tutkimusohjelma; No. VALB-220).

Research output: Book/ReportReport

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)

Direct x-ray studies of hydrogen-induced phase transformations in stainless steels

Tähtinen, S., Kivilahti, J. & Hänninen, H., 1982, Proceedings of 3rd International Congress on Hydrogen and Materials. Azou, P. (ed.). p. 185-190

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

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 treatment and neutron irradiation on tensile and fracture toughness properties of CuCrZr/316L(N) HIP joints

Tähtinen, S. & Singh, B. N., 2005, Espoo: VTT Technical Research Centre of Finland. 13 p. (VTT Tuotteet ja tuotanto. Tutkimusraportti; No. BTUO73-041299).

Research output: Book/ReportReport

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 Heat Treatments on Precipitate Microstructure and Mechanical Properties of CuCrZr Alloy

Singh, B. N., Edwards, D. J. & Tähtinen, S., 2004, 24 p. (Risø-R; No. 1436(EN)).

Research output: Book/ReportReport

Open Access

Effect of irradiation on structural materials in fusion reactors

Tavassoli, F., Burlet, H., Lind, A., Singh, B. N., Tähtinen, S. & van Osch, E., 2000, Effects of Radiation on Materials: 19th International Symposium. West Conshohocken: American Society for Testing and Materials ASTM, p. 1093-1108 (ASTM Selected Technical Papers; No. STP1366).

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

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 neutron irradiation on tensile and fracture toughness properties of copper alloys and their joints with stainless steel

Tähtinen, S., Pyykkönen, M., Singh, B. & Toft, P., 2000, Effects of Radiation and Materials; 19th International Symposium, STP 1366. West Conshohocken, PA: American Society for Testing and Materials ASTM, p. 1241 - 1259

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

6 Citations (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)

Effects of multiple HIP thermal cycles and neutron irradiation on mechanical properties of copper alloys joint to stainless steel

Tähtinen, S. & Singh, B., 2000, VTT Technical Research Centre of Finland. 12 p. (VTT Manufacturing Technology. Research Report; No. BVAL62-001062).

Research output: Book/ReportReport

Effects of neutron irradiation on mechanical properties of titanium alloys

Tähtinen, S. & Singh, B. N., 2005, Espoo: VTT Technical Research Centre of Finland. 18 p. (VTT Research Report; No. BTUO73-051386).

Research output: Book/ReportReport

Electrochemical measurements on low-index planes of a Fe-14.5Cr-14.5Ni-2.5No single crystal

Tähtinen, S., Hänninen, H. & Hakkarainen, T., 1983, Passivity of Metals and Semiconductors: Proceedings of the Fifth International Symposium on Passivity. Froment, M. (ed.). Amsterdam: Elsevier, p. 695-700

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

Environmentally assisted cracking of alloy 600 in PWR primary water

Ehrnsten, U., Lagerström, J., Saario, T., Piippo, J., Aaltonen, P., Tähtinen, S., Laitinen, T. & Hänninen, H., 1997, Corrosion-deformation interactions CDI '96: Second International Conference on Corrosion-Deformation Interactions in conjunction with EUROCORR '96, Nice, France, 1996. Magnin, T. (ed.). p. 463-472 (European Federation of Corrosion Publications; No. 21).

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

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)

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)

Examination on fracture resistance of F82H steel and performance of small specimens in transition and ductile regimes

Wallin, K., Laukkanen, A. & Tähtinen, S., 2002, Small Specimen Test Techniques. Sokolov, M., Landes, J. & Lucas, G. (eds.). American Society for Testing and Materials ASTM, Vol. 4. p. 33-47 (ASTM Selected Technical Papers, Vol. 1418).

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

6 Citations (Scopus)

Experimental material irradiation on the Jules Horowitz Reactor

Carassou, S., Panichi, G., Julien, F., Yvon, P., Auclair, M., Tähtinen, S., Roux, L., Moilanen, P. & Maire, S., 2005, Joint Meeting of the National Organization of Test, Research, and Training Reactors and the International Group on Research Reactors.

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

FFUSION research programme 1993 1998: Final report of the Finnish fusion research programme

Karttunen, S., Ahola, H., Dumbrajs, O., Halme, A., Heikkinen, J., Heikkinen, V., Keinonen, J., Korhonen, R., Kurki-Suonio, T., Likonen, J., Pättikangas, T., Salomaa, R., Siuko, M., Teuho, J., Tähtinen, S. & Wasastjerna, F., 1998, Espoo: VTT Technical Research Centre of Finland. 158 p. (VTT Publications; No. 368).

Research output: Book/ReportReport

Open Access

Final report on characterization of physical and mechanical properties of copper and copper alloys before and after irradiation

Singh, B. & Tähtinen, S., 2002, Roskilde. 21 p. (Risø-R; No. Risø-R-1276(EN)).

Research output: Book/ReportReport

Open Access

Final report on in-reactor creep-fatigue deformation behaviour of a CuCrZr alloy: COFAT 2

Singh, B. N., Johansen, B. S., Tähtinen, S., Moilanen, P., Saarela, S., Jacquet, P., Dekeyser, J. & Stubbins, J. F., 2008, Roskilde, DK. 41 p. (Risø-R; No. 1629(EN)).

Research output: Book/ReportReport

Final report on in-reactor creep-fatigue deformation behaviour of a CuCrZr alloy: COFAT 1

Singh, B. N., Tähtinen, S., Moilanen, P., Jacquet, P., Dekeyser, J., Edwards, D. J., Li, M. & Stubbins, J. F., 2007, 45 p. (Risø-R; No. R-1571(EN)).

Research output: Book/ReportReport

Open Access

Final Report on In-Reactor Tensile Tests on OFHC -Copper and CuCrZr Alloy

Singh, B. N., Edwards, D. J., Tähtinen, S., Moilanen, P., Jacquet, P. & Dekeyser, J., 2004, Roskilde. 47 p. (Risø-R; No. 1481(EN)).

Research output: Book/ReportReport

Open Access

Final report on in-reactor uniaxial tensile deformation of pure iron and Fe-Cr alloy

Singh, B. N., Huang, X., Tähtinen, S., Moilanen, P., Jacquet, P. & Dekeyser, J., 2007, Roskilde, Denmark. 51 p. (Risø-R; No. 1616(EN)).

Research output: Book/ReportReport

Open Access

Fracture behaviour of HIP joints between CuCrZr alloy and 316L(N) stainless steel

Tähtinen, S. & Saarela, S., 2005, Espoo: VTT Technical Research Centre of Finland. 13 p. (VTT Tutkimusraportti; No. BTUO73-051390).

Research output: Book/ReportReport

Fracture toughness and internal friction of GlidCop®Al-25 alloy

Tähtinen, S., Pyykkönen, M., Smuk, S., Hänninen, H., Jagodzinski, Y. & Tarasenko, O., 1999, Microstructural Processes in Irradiated Materials. p. 573-578

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

1 Citation (Scopus)

Fusion Engineering and Design: Special issue: 22nd Symposium on Fusion Technology

Tähtinen, S. (ed.), Asikainen, M. (ed.), Rintamaa, R. (ed.) & Tuomisto, H. (ed.), 2013, In : Fusion Engineering and Design. 69, 1-4, 828 p.

Research output: Contribution to journalSpecial issue (editor)Scientificpeer-review

Fusion Engineering and Design: Special issue: 22nd Symposium on Fusion Technology

Tähtinen, S. (ed.), Asikainen, M. (ed.), Rintamaa, R. (ed.) & Tuomisto, H., 2003, In : Fusion Engineering and Design. 66-68, 1236 p.

Research output: Contribution to journalSpecial issue (editor)Scientificpeer-review

Hydride heat pump and hydrogen technology

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

Research output: Contribution to conferenceConference articleProfessional

Hydridilämpövoimakoneet

Translated title of the contribution: Hydride thermodynamic machinesTähtinen, S., 1992, Espoo: VTT Technical Research Centre of Finland. 55 p. (VTT Julkaisuja - Publikationer, Vol. 768).

Research output: Book/ReportReport

Hydridivetyvarasto

Tähtinen, S., 1992, Espoo: VTT Technical Research Centre of Finland. 29 p. (VTT Julkaisuja - Publikationer; No. 769).

Research output: Book/ReportReport

Hydridivetyvarasto ja vedyn varastointikustannukset

Translated title of the contribution: Cost estimation of metal hydride hydrogen storage systemTähtinen, S., 1994, Espoo: VTT Technical Research Centre of Finland. 23 p. (VTT Tiedotteita - Meddelanden - Research Notes; No. 1584).

Research output: Book/ReportReport

Hydrogen effects in austenitic stainless steels

Hänninen, H., Hannula, S-P. & Tähtinen, S., 1981, Proceedings of the 2nd International Conference on the Environmental Degradation of Engineering Materials. Louthan Jr., R. M., McNitt, R. P. & Sisson Jr., R. D. (eds.). Blacksburg: Virginia Polytechnic Institute, p. 347-356

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

4 Citations (Scopus)

Hydrogen effects in stainless steels

Tähtinen, S., Nenonen, P. & Hänninen, H., 1987, Environmental Degradation of Engineering Materials III. Louthan, M. R., McNitt, R. P. & Sisson, R. D. (eds.). 7 p.

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

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)