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  • Anssi Laukkanen
2010

Characterization of true stress-strain behavior using optical monitoring

Andersson, T., Elers, L., Laukkanen, A. & Nevasmaa, P., 2010, Baltica VIII: Life Management and Maintenance for Power Plants. Espoo: VTT Technical Research Centre of Finland, Vol. 2. p. 221-232 (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., 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 in X20CrMoV11-1: ex-service experience and a case study

Auerkari, P., Holmström, S., Salonen, J., Laukkanen, A. & Andersson, T., 2010, Espoo: VTT Technical Research Centre of Finland. 40 p. (VTT Tutkimusraportti; No. VTT-R-07168-10).

Research output: Book/ReportReport

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

Fracture characteristics of new ultra-high-strength steel with yield strengths 900-960 MPa

Nevasmaa, P., Karjalainen-Roikonen, P., Laukkanen, A., Nykänen, T., Ameri, A., Björk, T., Limnell, T. & Kuoppala, J., 2010, Proceedings: 2nd International Conference Super-High Strength Steels (SHSS), Peschiera del Garda, 17-20 October 2010. Milano: Associazione Italiana di Metallurgia AIM, 14 p.

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

Influence of weld strength mis-match on failure behaviour of strain hardened austenitic stainless steel

Nevasmaa, P., Laukkanen, A., Sirén, M., Somani, M. & Karjalainen, P., 2010, Proceedings: 2nd International Conference Super High Strength Steels (SHSS), Peschiera del Garda (Verona), Italy, 17 - 20.10.2010. Associazione Italiana di Metallurgia AIM, 12 p.

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

Influence of weld strength mis-match on failure behaviour of strain hardened austentic stainless steel

Nevasmaa, P., Laukkanen, A., Andersson, T. & Sirén, M., 2010. 12 p.

Research output: Contribution to conferenceConference articleProfessional

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

Tosi-jännitys-venymä-käyrien määrittäminen ARAMIS-laitteistolla

Elers, L., Laukkanen, A. & Nevasmaa, P., 2010, Espoo: VTT Technical Research Centre of Finland. 9 p. (VTT Tutkimusraportti; No. VTT-R-00743-10).

Research output: Book/ReportReport

Ultralujan, suorakarkaistun Optim 960 QC ohutlevyteräksen lujuus- ja sitkeyskäyttäytyminen

Nevasmaa, P., Karjalainen-Roikonen, P., Laukkanen, A. & Kuoppala, J., 2010, In : Hitsaustekniikka. 60, 3, p. 4-15

Research output: Contribution to journalArticle

2011

Cohesive zone modeling of initiation and propagation of multiple cracks in hard thin surface coatings

Laukkanen, A., Holmberg, K., Ronkainen, H. & Wallin, K., 2011, In : Journal of ASTM International. 8, 1, p. 1-21 21 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Fracture Assessment of Reactor Circuit (FRAS): FRAS summary report

Karjalainen-Roikonen, P., Calonius, K., Timperi, A., Cronvall, O., Keinänen, H., Kuutti, J., Kaunisto, K., Laukkanen, A., Elers, L., Valo, M., Lappalainen, P., Planman, T. & Pekka, N., 2011, SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. Espoo: VTT Technical Research Centre of Finland, p. 414-429 (VTT Tiedotteita - Research Notes; No. 2571).

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

Open Access

Fracture Assessment of Reactor Circuit (FRAS): Advanced numerical fracture assessment methods

Laukkanen, A., Kuutti, J., Andersson, T. & Karjalainen-Roikonen, P., 2011, SAFIR2010: The Finnish Research Programme on Safety 2007-2010: Final Report. Espoo: VTT Technical Research Centre of Finland, p. 430-439 (VTT Tiedotteita - Research Notes; No. 2571).

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

Open Access

Influence of weld undermatching strength (mis-match) on limit load and failure behavior of strain hardened austenitic stainless steel

Nevasmaa, P., Laukkanen, A. & Sirén, M., 2011, Proceedings: 7th European Stainless Steel Conference - Science and Market, Como, Italy 21 - 23.9.2011. Associazione Italiana di Metallurgia AIM, 33

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

The Effect of Coating Characteristics on the Tribological Performance of a-C:H and ta-C Films: (Keynote Lecture)

Ronkainen, H., Holmberg, K., Laukkanen, A., Andersson, T., Kano, M., Horiuchi, T., Watanabe, T., Suzuki, T., Kumagai, M. & Taki, M., 2011.

Research output: Contribution to conferenceConference articleScientificpeer-review

2012

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 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

High temperature damage as an indicator of operating conditions and residual creep life

Auerkari, P., Salonen, J., Holmström, S., Laukkanen, A., Laaksonen, L., Mäkinen, S., Väänänen, V. & Nikkarila, R., 2012, proceedings of the 12th International Conference on Creep and Fracture of Engineering Materials and Structures, JIMIS 11. Sendai, Japan: Japan Institute of Metals (JIM), p. 1-4

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

Library and wrapper for synthetic microstructures of polycrystalline and composite materials

Laukkanen, A., 2012, Espoo: VTT Technical Research Centre of Finland. 18 p. (VTT Research Report; No. VTT-R-00214-12).

Research output: Book/ReportReport

NULIFE Project Cabinet RPV Assessment under Consideration of Constraint and Warm Pre-Stress Effects

Obermeier, F., Nicak, T., Keim, E., Fekete, T., Scibetta, M., Planman, T., Laukkanen, A., Carcía, C. C-F. & Sattari-Far, I., 2012, 3rd International Conference on NPP Life Management (PLIM) for Long Term Operations (LTO). International Atomic Energy Agency IAEA, 5 p.

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

Open Access

The effect of coating characteristics on the coating performance of a-C:H and ta-C films

Ronkainen, H., Holmberg, K., Laukkanen, A., Andersson, T., Kano, M., Horiuchi, T., Wakabayashi, T., Suzuki, T., Kumagai, M. & Taki, M., 2012.

Research output: Contribution to conferenceConference articleScientificpeer-review

The effect of coating characteristics on the coating performance of a-C:H and ta-C films (Keynote Lecture)

Ronkainen, H., Holmberg, K. & Laukkanen, A., 2012, Abstracts: 13th International Conference on Plasma Surface Engineering, PSE 2012.

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

The effect of coating properties on the performance of a-C:H and ta-C films

Ronkainen, H., Holmberg, K., Laukkanen, A., Andersson, T., Kano, M., Horiuchi, T. & Suzuki, T., 2012, In : Tribologia. 31, 3-4, p. 3-10 8 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

Wear models

Holmberg, K. & Laukkanen, A., 2012, Handbook of Lubrication and Tribology: Theory and Design. Bruce, R. W. (ed.). Second ed. CRC Press, Vol. II. p. 1-21

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

2013

ALD membrane strength measurement with a stylus profilometer

Gao, F., Puurunen, R., Laukkanen, A., Kilpi, L., Ronkainen, H. & Kiihamäki, J., 2013.

Research output: Contribution to conferenceConference PosterScientific

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 journalArticle

5 Citations (Scopus)

Creep life simulations of EB welded copper overpack

Holmström, S., Laukkanen, A. & Andersson, T., 2013, Posiva. 30 p. (Posiva Working Report; No. 2012-96).

Research output: Book/ReportReport

Open Access

Creep properties of Zircaloy-4 for nuclear fuel cladding FEA simulation

Holmström, S., Andersson, T., Tulkki, V. & Laukkanen, A., 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. 302- 17 (VTT Technology; No. 106).

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

Open Access

Creep properties of Zircaloy-4 for nuclear fuel cladding FEA simulation

Holmström, S., Andersson, T., Tulkki, V. & Laukkanen, A., 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. 46 (VTT Technology; No. 107).

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

Open Access

Finite element analysis of coating adhesion failure in pre-existing crack field

Holmberg, K., Laukkanen, A., Ronkainen, H. & Wallin, K., 2013, In : Tribology: Materials, Surfaces & Interfaces. 7, 1, p. 42-51 9 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

High velocity particle impactor: Modeling and experimental verification of impact wear tests

Apostol, M., Kuokkala, V-T., Laukkanen, A., Holmberg, K., Waudby, R. & Lindroos, M., 2013, Proceedings: 5th World Tribology Congress, WTC 2013. Vol. 1-4. 399

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

3 Citations (Scopus)

Modeling and testing of elastomer impact wear under high strain rates

Kivikytö-Reponen, P., Laukkanen, A., Waudby, R., Andersson, T., Helle, A., Apostol, M., Valtonen, K. & Kuokkala, V-T., 2013, (Unpublished).

Research output: Contribution to conferenceOther conference contributionScientific

Modelling of friction and structural transformations in diamong-like carbon coating

Ronkainen, H., Laukkanen, A. & Holmberg, K., 2013, Multiscale modelling and design for engineering application. Laitinen, T. & Wallin, K. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 47-62 (VTT Technology; No. 77).

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

Open Access

Multiscale modelling of engineering materials

Laukkanen, A., Holmberg, K. & Wallin, K., 2013, Multiscale modelling and design for engineering application. Laitinen, T. & Wallin, K. (eds.). Espoo: VTT Technical Research Centre of Finland, p. 9-17 (VTT Technology; No. 77).

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

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

The effect of coating characteristics on the performance of a-C:H and ta-C coatings

Ronkainen, H., Laukkanen, A., Holmberg, K., Kano, M., Horiuchi, T. & Suzuki, T., 2013, Proceedings: 5th World Tribology Congress, WTC 2013. Vol. 1. p. 161-164 4 p.

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

Tribological testing and modeling of elastomeric materials

Vaajoki, A., Laukkanen, A., Waudby, R., Kivikytö-Reponen, P., Valtonen, K. & Kuokkala, V-T., 2013, p. 20 .

Research output: Contribution to conferenceConference articleScientific

2015

Additive manufacturing of spare part supported by digital design concept

Laitinen, T., Julkunen, P., Laukkanen, A., Puukko, P. & Turunen, E., 2015, Advances in Powder Metallurgy and Particulate Materials : Proceedings of the 2015 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2015.

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

Effective interface model for design and tailoring of wc-co microstructures

Laukkanen, A., Andersson, T., Pinomaa, T. & Holmberg, K., 2015, Proceedings Euro PM 2015: International Power Metallurgy Congress and Exhibition. European Power Metallurgy Association EPMA

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

Experimental study on the behavior of wear resistant steels under high velocity single particle impacts

Lindroos, M., Apostol, M., Kuokkala, V-T., Laukkanen, A., Valtonen, K., Holmberg, K. & Oja, O., 2015, In : International Journal of Impact Engineering. 78, p. 114-127

Research output: Contribution to journalArticle

18 Citations (Scopus)

Low-temperature fracture characteristics of new 900-960 MPa yield ultra-high strength and 12% Cr ferritic stainless steel grades for structural use

Nevasmaa, P., Karjalainen-Roikonen, P. & Laukkanen, A., 2015. 31 p.

Research output: Contribution to conferenceConference articleScientific

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

Mesoscale modelling of short crack initiation in metallic selective laser melting microstructures

Andersson, T., Laukkanen, A., Pinomaa, T., Jokinen, A., Vaajoki, A. & Laitinen, T., 2015, EURO PM2015 congress proceedings. European Power Metallurgy Association EPMA

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

1 Citation (Scopus)

Phase field analysis of solidification structures and interface composition in WC-Co hard metals

Pinomaa, T., Ofori-Opoku, N., Gurevich, S., Laukkanen, A. & Provatas, N., 2015, EURO PM2015 congress proceedings. European Power Metallurgy Association EPMA

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

1 Citation (Scopus)

The Deformation, Strain Hardening, and Wear Behavior of Chromium-Alloyed Hadfield Steel in Abrasive and Impact Conditions

Lindroos, M., Apostol, M., Heino, V., Valtonen, K., Laukkanen, A., Holmberg, K. & Kuokkala, V-T., 2015, In : Tribology Letters. 57, 3, 24.

Research output: Contribution to journalArticle

27 Citations (Scopus)

The effect of impact conditions on the wear and deformation behavior of wear resistant steels

Lindroos, M., Ratia, V., Apostol, M., Valtonen, K., Laukkanen, A., Molnar, W., Holmberg, K. & Kuokkala, V-T., 2015, In : Wear. 328-329, p. 197-205

Research output: Contribution to journalArticle

23 Citations (Scopus)

Topographical orientation effects on friction and wear in sliding DLC and steel contacts: Part 1: Experimental

Holmberg, K., Laukkanen, A., Ronkainen, H., Waudby, R., Stachowiak, G., Wolski, M., Podsiadlo, P., Gee, M., Nunn, J., Gachot, C. & Li, L., 2015, In : Wear. 330-331, p. 3-22

Research output: Contribution to journalArticle

12 Citations (Scopus)

Wear behavior and work hardening of high strength steels in high stress abrasion

Lindroos, M., Valtonen, K., Kemppainen, A., Laukkanen, A., Holmberg, K. & Kuokkala, V-T., 2015, In : Wear. 322-323, p. 32-40

Research output: Contribution to journalArticleScientificpeer-review

32 Citations (Scopus)