Research output per year
Research output per year
Personal profile
Artistic and research interests
Research topics include materials degradation and non-destructive testing. In materials degradation, focus is on energy materials (nuclear, in particular), fatigue, thermal fatigue and residual stresses. Recent research focuses on measuring and understanding weld residual stresses in complex nuclear welds, dissimilar metal welds and weld repairs and their possible relaxation during in-service use.
In non-destructive testing, the research focus is on reliability assessment of various NDT methods, probability of detection determination and advanced NDT data processing.
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Doctoral degree, Engineering and Technology, Helsinki University of Technology
Award Date: 18 Dec 2001
Master's degree, Engineering and Technology, Helsinki University of Technology
Award Date: 24 Feb 1998
External positions
Chairman of the Board, Uudenmaan sairaankuljetus
15 Jan 2017 → …
Managing Director, Trueflaw Ltd.
1 Aug 2001 → …
Keywords
- Materials
- Residual stresses
- Probability of detection
- NDT
- Fatigue
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Deploying Machine Learning for Radiography of Aerospace Welds
Tyystjärvi, T., Fridolf, P., Rosell, A. & Virkkunen, I., Mar 2024, In: Journal of Nondestructive Evaluation. 43, 1, 13 p., 24.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile2 Citations (Scopus)44 Downloads (Pure) -
On comparison of fracture toughness of irradiated and thermally aged decommissioned nuclear weld metals with miniature specimen test technique
Sirkiä, L., Suman, S., Arffman, P., Hytönen, N. & Virkkunen, I., Oct 2024, In: Theoretical and Applied Fracture Mechanics. 133, 8 p., 104598.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile8 Downloads (Pure) -
Machine Learning for Plane Wave Imaging
Koskinen, T., Tyystjärvi, T., Jessen-Juhler, O. & Virkkunen, I., 2023, 60th Annual Conference of the British Institute of Non-Destructive Testing, NDT 2023. British Institute of Non-Destructive Testing, (Annual Conference of the British Institute of Non-Destructive Testing; vol. 2023, no. 1).Research output: Chapter in Book/Report/Conference proceeding › Conference article in proceedings › Scientific › peer-review
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Study of fusion boundary microstructure and local mismatch of SA508/alloy 52 dissimilar metal weld with buttering
Hytönen, N., Ge, Y., Que, Z., Lindqvist, S., Nevasmaa, P., Virkkunen, I. & Efsing, P., Sept 2023, In: Journal of Nuclear Materials. 583, 14 p., 154558.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile6 Citations (Scopus)99 Downloads (Pure) -
Virtual round robin 2 – Phased array inspection of dissimilar metal welds
Virkkunen, I., Koskinen, T. & Siljama, O., 1 Dec 2023, In: Nuclear Engineering and Design. 414, 13 p., 112555.Research output: Contribution to journal › Article › Scientific › peer-review
Open AccessFile39 Downloads (Pure)
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TOFFEE 2024: Total Fatigue Life in Plant Environment
Virkkunen, I. & Mazhar, A.
01/01/2024 → 31/01/2025
Project: Other external funding: Other government funding
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AI4NDE: Advanced and Intelligent Nondestructive Evaluation
01/01/2024 → 31/01/2025
Project: Other external funding: Other government funding
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Machine learning powered NDT: Machine learning powered NDT
01/09/2023 → 31/08/2027
Project: Academy of Finland: Other research funding
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TOFFEE: Total fatigue life in plant environment
Virkkunen, I., Ilola, R. & Mazhar, A.
01/01/2023 → 31/01/2024
Project: Other external funding: Other government funding
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AI4NDE: Advanced and intelligent NDE
01/01/2023 → 31/01/2024
Project: Other external funding: Other government funding
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Virtual flaws to estimate POD
Iikka Virkkunen (Speaker), Suvi Papula (Contributor), Tuomas Koskinen (Contributor) & Tarja Jäppinen (Contributor)
4 Apr 2017Activity: Talk or presentation types › Conference presentation
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Foreign Organisation
Mikko Virkkunen (Visiting researcher)
6 Jul 2016Activity: Visiting an external institution types › Visiting an external academic institution
Press/Media
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Hyvä viestintä ei ole salatiedettä – ”Vuorovaikutus on excel: jos osaat kaavat, saat ulos tiettyjä asioita”, sanoo psykologi
03/09/2023
1 item of Media coverage
Press/Media: Media appearance
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Asiantuntija: Olkiluoto 3:n tuoreet viat yllättivät – ”Ei tämmöisten osien kuuluisi ruveta säröilemään noin nopeasti”
29/10/2022
1 item of Media coverage
Press/Media: Media appearance
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AI Evaluation Of Ultrasonic Test Data Successfully Completed During Field Trials At An American Nuclear Power Plant'
31/05/2022
2 items of Media coverage
Press/Media: Media appearance
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AI Evaluation of Ultrasonic Test Data Successfully Completed During Field Trials at an American Nuclear Power Plant
31/05/2022
12 items of Media coverage
Press/Media: Media appearance
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EMBARGO AI now looks for cracks in metro axles in Helsinki
01/06/2020
1 item of Media coverage
Press/Media: Media appearance