Rami Pohja

20102019
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Research Output 2010 2019

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Conference article in proceedings
2016

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
Zirconium alloys
Nuclear fuel cladding
Nuclear reactors
Austenitic stainless steel

Lifetime assessment: Modelling of steamside oxidation

Yli-Olli, S., Auerkari, P., Tuurna, S., Pohja, R. & Holmström, S., 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
Oxidation
Oxidation resistance
Alloying elements
Steam
Chemical analysis

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
cans
disposal
copper
creep analysis
waste disposal

Supercritical water oxidation and creep behaviour of boiler tube materials

Tuurna, S., Yli-Olli, S., Pohja, R. & Penttilä, S., 2016, Proceedings of 8th International Conference on Advances in Materials Technology for Fossil Power Plants. ASM International, p. 924-930

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

Boilers
Creep
Ashes
Oxidation
Water
2015

Performance of high temperature materials for efficient power plant: the water side challenge

Auerkari, P., Yli-Olli, S., Penttilä, S., Tuurna, S. & Pohja, R., 2015, Proceedings of the 7th International Symposium on Supercritical Water-Cooled Reactors (ISSCWR 2015). USB stick ed. VTT Technical Research Centre of Finland, 8 p. 2099. (VTT Technology; No. 216).

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

Open Access
Power plants
Oxidation resistance
Water
Bearings (structural)
Temperature

RBI and probabilistic life assessment for components of coal and co-fired power plants

Auerkari, P., Pohja, R., Yli-Olli, S., Tuurna, S., Pohjanne, P. & McNiven, U., 2015, Proceedings of the 41st MPA-Seminar. Materials Testing Institute University of Stuttgart MPA, 11 p.

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

Power plants
Inspection
Coal
Standardization
Chemical industry
2014

A comparison of creep-fatique assessment and modelling methods

Pohja, R. & Holmström, S., 2014, Proceedings of the 22th International Conference on Nuclear Engineering, ICONE22: Volume 1: Plant Operations, Maintenance, Engineering, Modifications, Life Cycle and Balance of Plant; Nuclear Fuel and Materials; Plant Systems, Structures and Components; Codes, Standards, Licensing and Regulatory Issues. American Society of Mechanical Engineers ASME, 10 p.

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

Creep
Fatigue of materials
Fatigue damage
Martensitic steel
Safety factor

A study of creep-fatigue interaction in the nickel-base superalloy 263

Pohja, R., Holmström, S., Nurmela, A. & Moilanen, P., 2014, Proceeding CD: 10th Liege Conference on Materials for Advanced Power Engineering 2014. p. 678-687

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

Superalloys
Creep
Nickel
Fatigue of materials
Fatigue damage
2013

Corrosion resistance of Kanthal A-1 and Fe-12Cr-2Si alloy coatings in Cl-containing environment

Sarikka, T., Ilola, R., Pohja, R. & Hänninen, H., 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. 500-512 (VTT Technology; No. 106).

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

Open Access
Corrosion resistance
Coatings
Aluminum Oxide
Stainless Steel
Corrosion

Creep-fatigue properties of nickel-base superalloy 263

Pohja, R., Nurmela, A., Holmström Stefan & Moilanen, 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. 204-217 (VTT Technology; No. 106).

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

Open Access
Superalloys
Creep
Nickel
Fatigue of materials
Stress relaxation

Creep-fatique properties of grade 91 steel

Pohja, R., Nurmela, A., Moilanen, P. & Holmström, S., 2013, Advances in Materials Technology for Fossil Power Plants : Proceedings from the 7th International Conference, EPRI 2013 . Electric Power Research Institute, p. 679 - 689

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

Creep
Fatigue of materials
Steel
Stress relaxation
Pneumatics