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Fracture and Damage Behavior in an Advanced Heat Resistant Austenitic Stainless Steel During LCF, TMF and CF
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Management and Engineering, Engineering Materials. Linköping University, Faculty of Science & Engineering. Sandvik Mat Technol, Sweden.
Acad Sci Czech Republ, Czech Republic.
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2018 (English)In: ECF22 - LOADING AND ENVIRONMENTAL EFFECTS ON STRUCTURAL INTEGRITY, ELSEVIER SCIENCE BV , 2018, Vol. 13, p. 843-848Conference paper, Published paper (Refereed)
Abstract [en]

Future advanced ultra-supercritical power plant will be run at higher temperature and pressure. New materials will be used to meet the requirements. However, the structure integrity of these materials needs to be evaluated. Sanicro 25 is a newly developed advanced austenitic heat resistant stainless steel with the aim to be used in future 700 degrees C or 650 degrees C power plants to replace part of Ni based alloys. This paper provides an overview on the fracture and damage behavior in this material during LCF, TMF and CF. The cyclic hardening and fatigue life during LCF, TMF and CF will be discussed. The influence of prolonged service degradation has been analyzed by the use of pre-aged material for TMF and CF loading conditions. (C) 2018 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the ECF22 organizers.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE BV , 2018. Vol. 13, p. 843-848
Series
Procedia Structural Integrity, ISSN 2452-3216
Keywords [en]
AUSC power plant; austenitic heat resistant stainless steel; Sanicro 25; low cycle fatigue; thermomechanical fatigue; creep-fatigue interaction
National Category
Other Materials Engineering
Identifiers
URN: urn:nbn:se:liu:diva-155626DOI: 10.1016/j.prostr.2018.12.161ISI: 000459860900138OAI: oai:DiVA.org:liu-155626DiVA, id: diva2:1297722
Conference
22nd European Conference on Fracture (ECF) - Loading and Environmental Effects on Structural Integrity
Note

Funding Agencies|AB Sandvik Materials Technology in Sweden; Swedish Energy Agency through the Research Consortium of Materials Technology for Thermal Energy Processes [KME-701]; AFM Strategic Faculty Grant SFO-MAT-LiU at Linkoping University [2009-00971]; IPMinfra [LM2015069]; IPMinfra through project CEITEC 2020 of MEYS, Czech Rep [LQ1601]

Available from: 2019-03-20 Created: 2019-03-20 Last updated: 2019-03-20

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