Anssi Laukkanen

19982019
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Research Output 1998 2019

2014

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

power plant
damage
method
temperature
trend

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

1 Citation (Scopus)

Modelling and testing of elastomer impact deformation under high strain rates

Kivikytö-Reponen, P., Laukkanen, A., Apostol, M., Waudby, R., Andersson, T., Helle, A., Valtonen, K. & Kuokkala, V-T., 2014, In : Tribology: Materials, Surfaces & Interfaces. 8, 1, p. 48-54

Research output: Contribution to journalArticleScientificpeer-review

Elastomers
Strain rate
Testing
Rubber
Constitutive models

Multiscale modelling of microstructural defects and influence on mechanical properties and wear resistance of thermal spray coatings

Laukkanen, A., Varis, T., Suhonen, T., Metsäjoki, J., Andersson, T. & Laitinen, T., 2014, ITSC 2014 proceedings. p. 568-571

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

Stress relaxation
Sensitivity analysis
Creep
Copper
Phosphorus

Sustainable material design aspects through WC/Co substitution case study

Karhu, M., Laukkanen, A., Pinomaa, T., Andersson, T. & Kivikytö-Reponen, P., 2014, Minerals in Circular Economy: Book of abstracts. VTT Technical Research Centre of Finland, p. 60-61 (VTT Technology; No. 192).

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

Open Access

Tribological Testing and Modeling of Elastomeric Materials

Vaajoki, A., Laukkanen, A., Waudby, R., Kivikytö-Reponen, P., Valtonen, K. & Kuokkala, V-T., 2014, In : Key Engineering Materials. 604, p. 87-90

Research output: Contribution to journalArticleScientificpeer-review

Elastomers
Testing
Abrasives
Wear resistance
Strain rate

Wear modeling and material testing of elastomers

Kivikytö-Reponen, P., Laukkanen, A., Valtonen, K. & Apostol, M., 2014, In : Kumiviesti. 1, p. 27-29 3 p.

Research output: Contribution to journalArticleProfessional

Materials testing
Elastomers
Wear of materials
Rubber
Acoustic waves
26 Citations (Scopus)

Wear resistance optimisation of composite coatings by computational microstructural modelling

Holmberg, K., Laukkanen, A., Turunen, E. & Laitinen, T., 2014, In : Surface and Coatings Technology. 247, p. 1 - 13

Research output: Contribution to journalArticleScientificpeer-review

Composite coatings
wear resistance
Wear resistance
coatings
Coatings
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

5 Citations (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

Steam piping systems
Creep
Inspection
Steel
Steam power plants

Creep life simulations of EB welded copper overpack

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

Research output: Book/ReportReport

Open Access
Creep
Copper
Welds
Finite element method
Computational efficiency

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
Nuclear fuel cladding
Creep
Finite element method
Zirconium alloys
Constitutive equations

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
Nuclear fuel cladding
Creep
Finite element method
Zirconium alloys
Constitutive equations
2 Citations (Scopus)

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 journalArticleScientificpeer-review

Open Access
Adhesion
Cracks
Finite element method
Coatings
Steel
3 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

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

Elastomers
Strain rate
Wear of materials
Testing
Rubber

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
engineering
modeling
microstructure
material
method

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
Welds
Copper
Creep
Friction
Electron beams

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
Welds
Copper
Creep
Friction
Electron beams

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. 1-4. 161

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

Elastomers
Testing
Abrasives
Wear resistance
Strain rate
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

Creep
Boilers
Internal oxidation
Degradation
Cavitation

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
Nuclear power plants
Hot Temperature

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

Carbon films
Amorphous carbon
Amorphous films
Coatings
Testing

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

2 Citations (Scopus)

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 journalArticleScientificpeer-review

Open Access
Carbon films
Amorphous carbon
Amorphous films
coatings
Coatings

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

2011
6 Citations (Scopus)

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 journalArticleScientificpeer-review

Cracks
Coatings
Hard coatings
Substrates
Crack initiation

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
Fracture mechanics
Networks (circuits)
Crack propagation
Crack tips
Fracture toughness

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
Networks (circuits)
Fracture mechanics
Materials properties
Degradation
Defects

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

Load limits
Austenitic stainless steel
Welds
Structural integrity
Gas metal arc welding

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

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
tensile tests
output
curves

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
Steam piping systems
Creep
Inspection
Steam power plants
Steel

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
Creep
Steam piping systems
Welds
Steel
Inspection

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

High strength steel
Yield stress
Brittle fracture
Fracture mechanics
Loads (forces)

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
Creep
Copper
Creep testing
Metallography
Inspection

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 journalArticleScientific

2009
1 Citation (Scopus)

Computer modelling and simulation approach to developing wear resistant materials

Holmberg, K., Turunen, E., Ronkainen, H., Laukkanen, A. & Wallin, K., 2009, In : Tribologia. 29, 3-4, p. 38-43

Research output: Contribution to journalArticleScientificpeer-review

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.). p. 669-680

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