Find Research Outputs

Search in all content

Filters for Research Output

Search concepts
Selected filters
Open Access

Applications of advanced low alloy steels for new high-temperature components: Final report. CSM Technical Report No 13531R: RFCS Project "ALoAS"

Di Gianfrancesco, A., Venditti, D., Allen, D. J., Morris, A., Caminada, S., Pillot, S., Mendes Rodriguez, M., Friedman, V., von Hartrott, P., Siegele, D., Holmström, S., Rantala, J., Nevasmaa, P. & Calonius, K., 2008, (CSM Technical Report; No. 13531R).

Research output: Book/ReportReport

A Review of Aeronautical Fatique Investigations in Finland April 2017 - March 2019

Viitanen, T. (ed.) & Siljander, A. (ed.), 30 Apr 2019, VTT Technical Research Centre of Finland. 75 p. (ICAF National Review - Finland; No. VTT-CR-00352-19).

Research output: Book/ReportReport

Open Access
File
468 Downloads (Pure)

Beyond IoT Business

Kortelainen, H., Saari, L., Valkokari, K., Federley, M., Heilala, J., Huusko, J. & Viljamaa, E., 2019, VTT Technical Research Centre of Finland. 21 p. (VTT White Paper).

Research output: Book/ReportReport

Open Access
File
260 Downloads (Pure)

Creep analyses of a steam pipe system

Storesund, J., Steingrimsdottir, K., Rantala, J. & Bolinder, T., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. (ed.). Espoo: VTT Technical Research Centre of Finland, 16 p. (VTT Technology, Vol. 261).

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

Open Access

Creep damage, ductility and expected life for materials with defects

Auerkari, P., Holmström, S., Rantala, J. & Salonen, J., 2008, Proceedings of the ASME 2008 Pressure Vessels & Piping Conference, PVP 2008. New York, NY: American Society of Mechanical Engineers ASME, Vol. 1. p. 605-610

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

1 Citation (Scopus)

Creep damage and long term life modelling of an X20 steam line component

Auerkari, P., Salonen, J., Holmström, S., Laukkanen, A., Rantala, J. & Nikkarila, R., 2013, In : Engineering Failure Analysis. 35, p. 508-515 7 p.

Research output: Contribution to journalArticleScientificpeer-review

6 Citations (Scopus)

Creep damage and long term life of steam line components: Case X20

Holmström, S., Auerkari, P., Salonen, J., Laukkanen, A., Rantala, J., Nikkarila, R. & Junttanen, J., 2010, Baltica VIII: Life Management and Maintenance for Power Plants. Espoo: VTT Technical Research Centre of Finland, Vol. 2. p. 154-166 (VTT Symposium; No. 265).

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

Open Access

Creep damage and long term life of steam line components: Case X20

Holmström, S., Auerkari, P., Salonen, J., Laukkanen, A., Rantala, J., Nikkari, R. & Junttanen, J., 2012. 16 p.

Research output: Contribution to conferenceConference articleScientific

Creep modelling for long-term low strain regime including the limit of negligible creep

Auerkari, P., Holmström, S., Pohja, R. & Rantala, J., 2017. 6 p.

Research output: Contribution to conferenceConference articleScientificpeer-review

Creep performance of fuel cladding

Pohja, R., Tulkki, V., Ikonen, T., Moilanen, P., Rantala, J., Huotilainen, S. & Ehrnstén, U., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. (ed.). Espoo: VTT Technical Research Centre of Finland, 8 p. (VTT Technology, Vol. 261).

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

Open Access

Creep performance of OFP copper for the overpack of repository canisters

Rantala, J., Auerkari, P., Salonen, J., Holmström, S., Laukkanen, A. & Saukkonen, T., 2012.

Research output: Contribution to conferenceConference articleScientific

Creep performance of welded pipe material made of 7CrMoVTiB10-10 (T/P24) steel

Rantala, J., Auerkari, P., Salonen, J., Holmström, S., Nevasmaa, P. & Häkkilä, J., 2010, Materials for advanced power engineering 2010: Proceedings of the 9th Liege Conference on Materials for Advanced Power Engineering, September 27-29, 2010, Liège, Belgium. Lecomte-Beckers, J. (ed.). p. 223-230 (Schriften des Forschungszentrums Jülich: Reihe Energie & Umwelt/Energy & Environment, Vol. 94).

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

Creep strain, damage and life prediction for welded 0.5CMV steel

Rantala, J., Auerkari, P., Holmström, S., Salonen, J. & Laukkanen, A., 2010, Baltica VIII: Life Management and Maintenance for Power Plants. Espoo: VTT Technical Research Centre of Finland, Vol. 2. p. 176-192 (VTT Symposium; No. 265).

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

Open Access

Creep strain, damage and life prediction for welded 0.5CMV steel

Rantala, J., Auerkari, P., Holmström, S., Salonen, J., Laukkanen, A., Haapajoki, S., Mäkinen, S., Dean, D. & Spindler, M., 2009, Proceedings of the 2nd ECCC Creep Conference: Creep & Fracture in High Temperature Components - Design & Life Assessment Issues. Shibli, I. A. (ed.). DEStech Publications Inc., p. 669-680

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

Degradation of single-crystal gas turbine blades

Rantala, J., Salonen, J., Yli-Olli, S., Holmström, S. & Jauhiainen, P., 2013, Baltica IX. International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. & Veivo, J. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 233-250 (VTT Technology; No. 106).

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

Open Access

Degradation of single-crystal gas turbine blades

Rantala, J., Salonen, J., Yli-Olli, S., Holmström, S. & Jauhiainen, P., 2013, Baltica IX. International Conference on Life Management and Maintenance for Power Plants - Abstracts. Auerkari, P. & Veivo, J. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 36 (VTT Technology; No. 107).

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

Open Access

Effects of defects on low temperature creep of OFP copper

Auerkari, P., Rantala, J., Salonen, J., Laukkanen, A., Holmström, S. & Kinnunen, T., 2009, Proceedings of 2nd ECCC Creep Conference: Creep & Fracture in High Temperature Components - Design & Life Assessment Issues. Shibli, I. A. & Holdsworth, S. R. (eds.). DEStech Publications Inc., p. 287-297

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

Engineering approach to creep strain modelling for a multicast 9Cr steel

Holmström, S., Auerkari, P. & Rantala, J., 2006, 2006 ASME Pressure Vessels and Piping/ICPVT-11 Conference Proceedings. American Society of Mechanical Engineers ASME, Vol. 6. p. 395-401 PVP2006-ICPVT-11-94026

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

2 Citations (Scopus)

Experimentally verified model based predictions for integrity of copper overpack: Annual report 2017

Rantala, J., Pohja, R. & Auerkari, P., 23 Mar 2018, Espoo: VTT Technical Research Centre of Finland. 17 p. (VTT Research Report; No. VTT-R-01499-18).

Research output: Book/ReportReport

Open Access
File
8 Downloads (Pure)

Experimentally verified model based predictions for integrity of Cu overpack

Rantala, J., Pohja, R., Auerkari, P., Laukkanen, A. & Andersson, T., 2019, Baltica XI: International Conference on Life Management and Maintenance for Power Plants. VTT Technical Research Centre of Finland, 9 p.

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

Open Access
File
4 Downloads (Pure)

Full scale pressure vessel tests on weld-repaired ex-service and new P91 steel and observations on the resulting cracking

Rantala, J. & Shibli, I. A., 2005.

Research output: Contribution to conferenceConference articleScientific

Impression creep testing for the HAZ of a P22 weld

Rantala, J. & Storesund, J., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Espoo: VTT Technical Research Centre of Finland, 7 p. (VTT Technology, Vol. 261).

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

Open Access

Knowledge-based system aided evaluation of replica results in terms of remaining life assessment of power plant components

Jovanovic, A., Maile, K., Frieman, M., Auerkari, P., Vrhovac, M., Rantala, J., Gehl, S. & Viswanathan, R., 1992, Safety and Reliability of Plant Technology with Special Emphasis on Nuclear Technology: Safely Aspects for Long Operational Life and New Reactor Concepts. Kussmaul, E. (ed.). Stuttgart: Materials Testing Institute University of Stuttgart MPA, Vol. 2. p. 48.1-48.24

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

Life assessment and extension for gas turbine blades

Auerkari, P., Salonen, J., Rantala, J., Mäkinen, S., Karvonen, I., Tanttari, H., Kangas, P. & Taattola, J., 2010, Baltica VIII: Life Management and Maintenance for Power Plants. Espoo: VTT Technical Research Centre of Finland, Vol. 2. p. 117-127 (VTT Symposium; No. 265).

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

Open Access

Life assessment and maintenance of welded piping operating at high temperatures

Pohja, R., Tuurna, S., Hakala, T. J., Auerkari, P., McNiven, U., Laaksonen, L. & Nikkarila, R., 2019, Baltica XI: International Conference on Life Management and Maintenance for Power Plants. VTT Technical Research Centre of Finland, 10 p.

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

Open Access
File
44 Downloads (Pure)

Life extension of hot steam piping after 200 000 h of service

Rantala, J., Salonen, J., Auerkari, P., Holmström, S., Lehtinen, O., Pitkänen, M. & Nikkarila, R., 2007, BALTICA VII - Life Management and Maintenance for Power Plants. Vol. 1. Espoo: VTT Technical Research Centre of Finland, p. 61-69 (VTT Symposium; No. 246).

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

Open Access

Life extension of hot steam piping after 200 000 h of service

Rantala, J., Salonen, J., Auerkari, P., Holmström, S., Lehtinen, O., Pitkänen, M. & Nikkarila, R., 2007, In : Energy Materials. 2, 2, p. 104-108

Research output: Contribution to journalArticleScientificpeer-review

Life prediction for a weld repaired steam mixer

Holmström, S., Rantala, J., Kolari, K., Keinänen, H., Laukkanen, A., Veivo, J. & Lehtinen, O., 2009, Proceedings of the 2nd ECCC Creep Conference: Creep & Fracture in High Temperature Components - Design & Life Assessment Issues. Shibli, I. A. & Holdsworth, S. R. (eds.). DEStech Publications Inc., p. 309-319

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

Life prediction of a steam piping by Small Punch and uniaxial creep testing

Rantala, J., 2019, Baltica XI: International Conference on Life Management and Maintenance for Power Plants. VTT Technical Research Centre of Finland, 8 p.

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

Open Access
File
16 Downloads (Pure)

Lifing experience on steel P91 in power plants

Holmström, S., Auerkari, P., Salonen, J. & Rantala, J., 2006

Research output: Book/ReportReport

Lifing of high temperature plant: deterministic and probabilistic methods

Auerkari, P., Pohja, R., Yli-Olli, S., Rantala, J. & Laukkanen, A., 2014, VTT Technical Research Centre of Finland. 21 p. (VTT Research Report; No. VTT-R-00753-14).

Research output: Book/ReportReport

Material integrity of welded copper overpack: Annual report 2013

Rantala, J., Salonen, J., Auerkari, P., Laukkanen, A., Andersson, T., Raunio, M., Holmström, S. & Saukkonen, T., 2014, Espoo: VTT Technical Research Centre of Finland. 21 p. (VTT Research Report; No. VTT-R-01173-14).

Research output: Book/ReportReport

Material integrity of welded copper overpack: Annual report 2014

Rantala, J., Auerkari, P., Laukkanen, A., Andersson, T. & Saukkonen, T., 2015, VTT Technical Research Centre of Finland. 17 p. (VTT Research Report, Vol. VTT-R-00773-15).

Research output: Book/ReportReport

Open Access

Mechanical performance and life prediction for canister copper

Rantala, J., Auerkari, P., Salonen, J., Holmström, S., Laukkanen, A. & Saukkonen, T., 2010, Baltica VIII: Life Management and Maintenance for Power Plants. Espoo: VTT Technical Research Centre of Finland, Vol. 1. p. 151-162 (VTT Symposium; No. 264).

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

Open Access

Microstructural and mechanical characterization of ODS alloy produced by surface oxidation method

Lagerbom, J., Lindroos, T., Ivanchenko, M., Metsäjoki, J., Oksa, M. & Rantala, J., 1 Jan 2017, Euro PM2017 Proceedings USB. European Power Metallurgy Association EPMA, 6 p.

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

Modeling and verification of creep strain and exhaustion in a welded steam mixer

Holmström, S., Rantala, J., Laukkanen, A., Kolari, K., Keinänen, H. & Lehtinen, O., 2009, In : Journal of Pressure Vessel Technology. 131, 6, 6 p., 061405.

Research output: Contribution to journalArticleScientificpeer-review

3 Citations (Scopus)

Modelling and verification of creep strain and exhaustion in a welded steam mixer

Holmström, S., Laukkanen, A., Rantala, J., Kolari, K., Keinänen, H. & Lehtinen, O., 2008, Proceedings of the ASME 2008 Pressure Vessels & Piping Conference, PVP 2008. New York, NY: American Society of Mechanical Engineers ASME, Vol. 7. p. 505-510

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

Modelling the development of creep damage: The licon experience

Auerkari, P., Holdsworth, S., Rantala, J., Coussement, C. & Hack, R., 2001, BALTICA V: Condition and Life Management for Power Plants. Espoo: VTT Technical Research Centre of Finland, Vol. 2. p. 609-620 (VTT Symposium; No. 212).

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

2 Citations (Scopus)

Multiaxial creep testing device for nuclear fuel claddings

Pohja, R., Moilanen, P., Rantala, J., Huotilainen, S., Tulkki, V., Ehrnstén, U. & Holmström, S., 2016, In : Athens Journal of Sciences. 3, 3, p. 227-240

Research output: Contribution to journalArticleScientificpeer-review

Open Access

Performance of copper overpack for repository canisters

Rantala, J., Auerkari, P., Holmström, S., Laukkanen, A. & Andersson, T., 2013, Baltica IX. International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. & Veivo, J. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 378-394 (VTT Technology; No. 106).

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

Open Access

Performance of copper overpack for repository canisters

Rantala, J., Auerkari, P., Holmström, S., Laukkanen, A. & Andersson, T., 2013, Baltica IX. International Conference on Life Management and Maintenance for Power Plants - Abstracts. Auerkari, P. & Veivo, J. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 56 (VTT Technology; No. 107).

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

Open Access

Practical application of impression creep data to power plant

Brett, S. J., Rantala, J. & Holmström, S., 2013, Baltica IX. International Conference on Life Management and Maintenance for Power Plants - Abstracts. Auerkari, P. & Veivo, J. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 82 (VTT Technology; No. 107).

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

Open Access
19 Citations (Scopus)

Practical application of impression creep data to power plant

Brett, S. J., Rantala, J. & Holmström, S., 2013, Baltica IX. International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. & Veivo, J. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 553-566 (VTT Technology; No. 106).

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

Open Access

Predicting long term creep behaviour using the LICON methodology

Auerkari, P., Bendick, W., Holdsworth, S., Rantala, J., Hurst, R., Coussement, C. & Hack, R., 2001, Advances in materials technology for fossil power plants. Wiswanathan, R., Bakker, W. T. & Parker, J. D. (eds.). p. 329-339 (EPRI Report, Vol. 1001462).

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

Reheat cracking susceptibility of P23 (7CrWVMoNb9-6) steel welds made using matching and mis-matching filler metals

Nevasmaa, P., Salonen, J., Auerkari, P., Rantala, J. & Holmström, S., 2010, Materials for advanced power engineering 2010: Proceedings of the 9th Liege Conference on Materials for Advanced Power Engineering, September 27-29th, 2010, Liège, Belgium. Lecomte-Beckers, J., Contrepois, Q., Beck, T. & Kuhn, B. (eds.). p. 231-240 (Schriften des Forschungszentrums Jülich: Reihe Energie & Umwelt/Energy & Environment, Vol. 94).

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

Relaxation behaviour of copper in disposal canisters

Rantala, J., Pohja, R., Auerkari, P., Laukkanen, A. & Andersson, T., 2016, Baltica X: International Conference on Life Management and Maintenance for Power Plants. Auerkari, P. (ed.). Espoo: VTT Technical Research Centre of Finland, 8 p. (VTT Technology, Vol. 261).

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

Open Access