Research output per year
Research output per year
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Unravelling the dynamics of stress relaxation: a deep dive into activation volume analysis in martensitic steels
Riedlsperger, F., Witzmann, L., Retzl, P., Dománková, M., Trenzinger, T., Krenmayr, B. & Sonderegger, B., 16 Apr 2026, In: Journal of Materials Research and Technology. 42, p. 4262-4275 14 p.Research output: Contribution to journal › Article › peer-review
Open Access -
Fortschritte bei der Mean-Field-Kriechmodellierung martensitischer Cr-Stähle für multiple Spannungen und Temperaturen
Riedlsperger, F., Witzmann, L. & Sonderegger, B., 28 Nov 2025, Proceedings der 48. Vortragsveranstaltung Langzeitverhalten warmfester Stähle und Hochtemperaturwerkstoffe : Forschungsvereinigung Warmfeste Stähle und Hochtemperaturwerkstoffe (FVWHT). 1 ed. Düsseldorf, p. 54-65Research output: Chapter in Book/Report/Conference proceeding › Conference proceedings › peer-review
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Modelling microstructural evolution and creep behaviour of a novel martensitic 10 % Cr steel: a physics-based mean-field approach
Witzmann, L., Riedlsperger, F., Kürnsteiner, P., Kulawinski, D., Hald, J., Krenmayr, B., Groiss, H. & Sonderegger, B., Dec 2025, In: Materials Science and Engineering: A. 948, 17 p., 149377.Research output: Contribution to journal › Article › peer-review
Open Access -
Unravelling the dynamics of stress relaxation: a deep dive into activation volume analysis in martensitic steels
Riedlsperger, F., Witzmann, L., Retzl, P., Dománková, M., Trenzinger, T., Krenmayr, B. & Sonderegger, B., 24 Dec 2025, 38 p. (SSRN).Research output: Working paper and reports › Preprint
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Analyse des Spannungsrelaxationsverhaltens von P91-Stahl: Potential für eine verbesserte Vorhersage des Primärkriechverhaltens
Riedlsperger, F., Witzmann, L., Trenzinger, T., Krenmayr, B. & Sonderegger, B., Nov 2024, Tagungsband FVWHT "Langzeitverhalten warmfester Stähle und Hochtemperaturwerkstoffe". FVWHT (ed.). Vol. 47. 13 p. (Tagungsband).Research output: Chapter in Book/Report/Conference proceeding › Conference proceedings › peer-review
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Advanced thread connected production string for hydrogen storage in underground formations - DESSERT
Sonderegger, B. (PI)
01.07.2024 → 30.06.2027
Project: Funded research › EU - European Union
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MLSC - Model Development for Lifetime Assessment of Steels under Various Creep Loads
Mergl, J. (Researcher), Riedlsperger, F. (Researcher), Witzmann, L. (Researcher), Zuderstorfer, G. (Researcher) & Sonderegger, B. (PI)
01.07.2022 → 30.09.2025
Project: Other › Other project
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MLSC - Model Development for Lifetime Assessment of Steels under Various Creep Loads
Mergl, J. (Researcher), Riedlsperger, F. (Researcher), Witzmann, L. (Researcher), Zuderstorfer, G. (Researcher) & Sonderegger, B. (PI)
01.07.2022 → 31.12.2024
Project: Funded research › Federal / regional / local authorities
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Software Development on Dislocation Creep in Alloys
Sonderegger, B. (PI)
01.07.2018 → 31.07.2023
Project: Funded research › FWF - Austrian Science Fund
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Software Development on Dislocation Creep in Alloys
Mergl, J. (Researcher), Witzmann, L. (Researcher) & Sonderegger, B. (PI)
01.07.2018 → 30.06.2023
Project: Funded research › FWF - Austrian Science Fund
Activities
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Live presentation of CreeSo - Creep Software
Zuderstorfer, G. (Speaker), Witzmann, L. (Contributor), Riedlsperger, F. (Contributor) & Sonderegger, B. (Contributor)
19 May 2026Activity: Talk or presentation › Contributed talk › science-to-science
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Capabilities and limitations of short term creep testing with a quenching and deformation dilatometer
Krenmayr, B. (Speaker), Klammer, A. (Contributor) & Sonderegger, B. (Contributor)
19 May 2026Activity: Talk or presentation › Other talk or presentation › science-to-science
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Stress relaxation tests applied to martensitic steel and to aluminum: new findings from microstructurally based modeling and from experimental investigations
Riedlsperger, F. (Speaker), Witzmann, L. (Contributor), Retzl, P. (Contributor), Krenmayr, B. (Contributor), Helml, L. (Contributor), Dománková, M. (Contributor), Zuderstorfer, G. (Contributor) & Sonderegger, B. (Contributor)
18 May 2026Activity: Talk or presentation › Contributed talk › science-to-science
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A physics-based mean-field model for dislocation creep: Application to different martensitic 9-10% Cr steels
Witzmann, L. (Speaker), Kern, T.-U. (Contributor), Riedlsperger, F. (Contributor), Klammer, A. (Contributor), Zuderstorfer, G. (Contributor), Krenmayr, B. (Contributor) & Sonderegger, B. (Contributor)
18 May 2026Activity: Talk or presentation › Contributed talk › science-to-science
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P090 - A physics-based mean-field model for dislocation creep in 9-12% Cr steels: Fundamentals, predictivity and extended applications
Sonderegger, B. (Speaker), Witzmann, L. (Contributor), Riedlsperger, F. (Contributor), Zuderstorfer, G. (Contributor), Krenmayr, B. (Contributor), Klammer, A. (Contributor) & Kern, T.-U. (Contributor)
16 May 2026Activity: Talk or presentation › Contributed talk › science-to-science