Anssi Laukkanen

19982020
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Research Output 1998 2020

A crystal plasticity approach for shear banding in hot rolled high-strength steels

Lindroos, M., Laukkanen, A. & Kuokkala, V-T., 2017, In : Metallurgical and Materials Transactions A: Physical Metallurgy and Materials Science. 48, 11, p. 5608-5615 8 p.

Research output: Contribution to journalArticleScientificpeer-review

high strength steels
High strength steel
plastic properties
Plasticity
Textures
1 Citation (Scopus)

A fracture mechanics interpretation of the DNV brittle fracture criteria for ships and mobile offshore units

Wallin, K., Nevasmaa, P. & Laukkanen, A., 2002, In : Fatigue & Fracture of Engineering Materials & Structures. 25, 11, p. 1033-1043

Research output: Contribution to journalArticleScientificpeer-review

Brittle fracture
Fracture mechanics
Ships
Inspection
Defects

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

151 Citations (Scopus)

A model for stresses, crack generation and fracture toughness calculation in scratched TiN-coated steel surfaces

Holmberg, K., Laukkanen, A., Ronkainen, H., Wallin, K. & Varjus, S., 2003, In : Wear. 254, 3-4, p. 278-291 4 p.

Research output: Contribution to journalArticleScientificpeer-review

Steel
toughness
fracture strength
Fracture toughness
cracks
1 Citation (Scopus)

A multiscale modelling approach for estimating the effect of defects in unidirectional carbon fiber reinforced polymer composites

Antin, K. N., Laukkanen, A., Andersson, T., Smyl, D. & Vilaça, P., 12 Jun 2019, In : Materials. 12, 12, 15 p., 2885.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Carbon fibers
Polymers
Defects
Composite materials
Microstructure
9 Citations (Scopus)

Analysis of experimental factors in elastic-plastic small specimen mixed-mode I-II fracture mechanical testing

Laukkanen, A., 2001, In : Fatigue & Fracture of Engineering Materials & Structures. 24, 3, p. 193-206 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Fracture testing
Mechanical testing
Fracture toughness
Plastics
Testing
4 Citations (Scopus)

An investigation into the effect of substrate on the load-bearing capacity of thin hard coatings

Wang, C. T., Hakala, T. J., Laukkanen, A., Ronkainen, H., Holmberg, K., Gao, N., Wood, R. J. K. & Langdon, T. G., 2016, In : Journal of Materials Science. 51, 9, p. 4390-4398

Research output: Contribution to journalArticleScientificpeer-review

Hard coatings
Bearing capacity
Loads (forces)
Substrates
Coatings
17 Citations (Scopus)

Aspects of cleavage fracture initiation: Relative influence of stress and strain

Wallin, K. & Laukkanen, A., 2006, In : Fatigue & Fracture of Engineering Materials & Structures. 29, 9-10, p. 788-798 11 p.

Research output: Contribution to journalArticleScientificpeer-review

4 Citations (Scopus)

Assessment of hydrogen cracking risk in multipass weld metal of 2.25Cr-1Mo-0.25V-TiB(T24) boiler steel

Nevasmaa, P. & Laukkanen, A., 2005, In : Welding in the World. 49, 7-8, p. 45-58 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Steel
Boilers
Hydrogen
Welds
Metals

Building a high temperature corrosion and erosion model for thermal spray coatings

Metsäjoki, J., Oksa, M., Vaari, J., Penttilä, K. & Laukkanen, A., 2014, (Submitted) Conference Abstracts (Including manuscripts on CD-ROM). Düsseldorf, p. 836-840

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

Erosion
Corrosion
Coatings
Free energy
Molecular dynamics

Calibration of local approach constitutive parameters in the ductile to brittle transition region using WARP3D and WSTRESS

Laukkanen, A., Wallin, K. & Keinänen, H., 2001, Espoo: VTT Technical Research Centre of Finland. 29 p. (VTT Manufacturing Technology. Research Report; No. BVAL64-011092).

Research output: Book/ReportReport

27 Citations (Scopus)

Characteristics relevant to ductile failure of bimetallic welds and evaluation of transferability of fracture properties

Laukkanen, A., Nevasmaa, P., Ehrnstén, U. & Rintamaa, R., 2007, In : Nuclear Engineering and Design. 237, 1, p. 1-15

Research output: Contribution to journalArticleScientificpeer-review

Welds
toughness
cracks
crack
fracture mechanics
1 Citation (Scopus)

Characterization of DLC-Coated and Uncoated Surfaces by New Directional Blanket Curvature Covering (DBCC) Method

Wolski, M., Podsiadlo, P., Stachowiak, G. W., Holmberg, K., Laukkanen, A. & Ronkainen, H., 2018, In : Tribology Letters. 66, 4, 153.

Research output: Contribution to journalArticleScientificpeer-review

Diamond
blankets
Diamonds
coverings
Carbon

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

Coated surface design by modelling and simulation

Ronkainen, H., Holmberg, K. & Laukkanen, A., 2006. 13 p.

Research output: Contribution to conferenceConference articleScientific

Coatings
Diamonds
Titanium nitride
Cracks
Carbon
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
15 Citations (Scopus)

Comparison of laboratory rolling-sliding wear tests with in-service wear of nodular cast iron rollers against wire ropes

Oksanen, V., Valtonen, K., Andersson, P., Vaajoki, A., Laukkanen, A., Holmberg, K. & Kuokkala, V. T., 1 Jan 2017, In : Wear. 340-341, p. 73-81

Research output: Contribution to journalArticleScientificpeer-review

Wire rope
Nodular iron
rollers
wear tests
sliding

Component scale process model for metal additive manufacturing

Andersson, T., Laukkanen, A., Pinomaa, T., Laakso, P., Puukko, P., Lindroos, T. & Laitinen, T., 2016, World PM2016 Proceedings. European Power Metallurgy Association EPMA

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

28 Citations (Scopus)

Computational modelling based wear resistance analysis of thick composite coatings

Holmberg, K., Laukkanen, A., Ghabchi, A., Rombouts, M., Turunen, E., Waudby, R., Suhonen, T., Valtonen, K. & Sarlin, E., 2014, In : Tribology International. 72, p. 13-30

Research output: Contribution to journalArticleScientificpeer-review

Composite coatings
wear resistance
Wear resistance
coatings
Coatings
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

Constitutive modeling of hydrogen cracking

Laukkanen, A. & Nevasmaa, P., 2004, BALTICA VI - Life Management and Maintenance for Power Plants. Vol. 2. Espoo: VTT Technical Research Centre of Finland, p. 419-429 (VTT Symposium; No. 234).

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

Open Access
Hydrogen
Mechanics
Welds
Residual stresses
Continuum damage mechanics
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 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 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 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 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 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

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

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
7 Citations (Scopus)

Crystal Growth in Polyethylene by Molecular Dynamics: The Crystal Edge and Lamellar Thickness

Verho, T., Paajanen, A., Vaari, J. & Laukkanen, A., 10 Jul 2018, In : Macromolecules. 51, 13, p. 4865-4873 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Polyethylene
Crystallization
Crystal growth
Molecular dynamics
Polyethylenes
9 Citations (Scopus)

Crystal plasticity modeling and characterization of the deformation twinning and strain hardening in Hadfield steels

Lindroos, M., Cailletaud, G., Laukkanen, A. & Kuokkala, V. T., 21 Mar 2018, In : Materials Science & Engineering A: Structural Materials: Properties, Microstructure and Processing. 720, p. 145-159 15 p.

Research output: Contribution to journalArticleScientificpeer-review

strain hardening
Steel
Twinning
twinning
Strain hardening
10 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

copper alloys
Copper alloys
toughness
fracture strength
Fracture toughness

Digitaalinen materiaalikehitys luo säästöä ja tehokkuutta teollisuuden materiaaliratkaisuihin

Lindoors, M., Laukkanen, A., Andersson, T. & Holmberg, K., 2017, In : Hitsaustekniikka. 69, 1, p. 41-42

Research output: Contribution to journalArticleProfessional

Digital engineering and agile manufacturing as future enablers

Kortelainen, J., Laukkanen, A., Puukko, P. & Komi, E., 2017, Towards a new era in manufacturing: Final report of VTT's For Industry spearhead programme. VTT Technical Research Centre of Finland, p. 53-65 (VTT Technology, Vol. 288).

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

Open Access

Digitalizing materials development

Hokka, M., Kuokkala, V-P., Laukkanen, A. & Holmberg, K., 2017, BSA - Breakthrough Steels and Applications: Final Report 3/2017. p. 130-142 (DIMECC Publications Series; No. 16).

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

Open Access

DIMECC Breakthrough materials doctoral school

Heino, M., Hokka, M., Kuokkala, V-T., Holmberg, K. & Laukkanen, A., 2017, BSA - Breakthrough Steels and Applications: Final Report 3/2017. p. 143-148 (DIMECC Publications Series; No. 16).

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

Open Access
6 Citations (Scopus)

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

Laukkanen, A., Pinomaa, T., Holmberg, K. & Andersson, T., 2016, In : Powder Metallurgy. 59, 1, p. 20-30

Research output: Contribution to journalArticleScientificpeer-review

microstructure
Microstructure
Composite materials
composite materials
Tungsten carbide

Effect of Stress on Ultrasonic Response in Detection and Sizing of Cracks

Pitkänen, J., Laukkanen, A., Kemppainen, M. & Virkkunen, I., 2007, In : Materials Testing. 49, 6, p. 299-309 11 p.

Research output: Contribution to journalArticleScientificpeer-review

Ultrasonics
Cracks
Inspection
Crack detection
Ultrasonic measurement

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.). p. 287-297

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

2 Citations (Scopus)

Evaluation of weld metal hydrogen cracking risk in a 2.25Cr-1Mo-0.25V-TiB (T24) boiler steel

Nevasmaa, P., Laukkanen, A. & Häkkilä, J., 2004, BALTICA VI - Life Management and Maintenance for P ower Plants. Vol. 2. VTT Technical Research Centre of Finland, p. 393-407 (VTT Symposium; No. 234).

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

Open Access
Boilers
Welds
Hydrogen
Welding
Steel
17 Citations (Scopus)

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 journalArticleScientificpeer-review

Wear of materials
Steel
Strain rate
Projectiles
Carbides
3 Citations (Scopus)
triaxial stresses
Creep
Welds
damage
steels
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

Finite element modeling of Al6082 Plasma Electrolytic Oxidation coatings

Khakalo, S., Laukkanen, A., Suhonen, T., Holmberg, K., Bousser, E., Yerokhin, A., Withers, P. J. & Matthews, A., Oct 2019, Proceedings of the 32nd Nordic Seminar on Computational Mechanics. Niemi, A. H. & Koivurova, H. (eds.). University of Oulu, p. 104-107 4 p. (Mechanical Engineering series, report ; No. 9).

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

Open Access
coatings
oxidation
unloading
indentation
aluminum alloys

Fracture analysis of ductile elastic-plastic materials under mixed-mode I-II loading

Laukkanen, A., 1998, RATU2: The Finnish Research Programme on the Structural Integrity of Nuclear Power Plants: Synthesis of achievements 1995-1998. Espoo: VTT Technical Research Centre of Finland, p. 45-75 (VTT Symposium; No. 190).

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

Open Access
Fracture toughness
Plastics
Copper alloys
Ferritic steel
Steel structures

Fracture assessment of reactor circuit (FRAS): FRAS summary report

Karjalainen-Roikonen, P., Nevasmaa, P., Calonius, K., Timperi, A., Cronvall, O., Keinänen, H., Laukkanen, A., Elers, L., Valo, M. & Planman, T., 2009, SAFIR2010: The Finnish Research Programme on Nuclear Power Plant Safety 2007-2010 : Interim Report. Espoo: VTT Technical Research Centre of Finland, p. 382-394 (VTT Tiedotteita - Research Notes; No. 2466).

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

Open Access
Networks (circuits)
Fracture mechanics
Materials properties
Degradation
Defects