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Micromechanical Interactions in a Superduplex Stainless Steel Subjected to Low Cycle Fatigue Loading
Linköping University, Department of Management and Engineering, Engineering Materials . Linköping University, The Institute of Technology.
Sandvik Materials Technology, Sweden.
School of Materials and Metallurgy, Northeastern University, China.
School of Materials and Metallurgy, Northeastern University, China.
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2008 (English)In: Fatigue and Fracture of Engineering Materials and Structures, ISSN 1460-2695, Vol. 31, no 10, 892-901 p.Article in journal (Refereed) Published
Abstract [en]

Micromechanical interactions in an austenitic-ferritic SAF 2507 steel under lowcycle fatigue loading was studied by experiment and simulation. Neutron diffraction measurements of residual lattice strains were made on specimens unloaded from different cyclic deformation stages, namely cyclic hardening, softening and saturation. With self-consistent modelling, the micromechanical behaviour of the constituent phases was studied for the first loading cycle. The evolution of the residual lattice strain distributions with cyclic loading and the development of phase stresses have been analysed with respect to the initial residual stress field and the different mechanical properties of the constituent phases.

Place, publisher, year, edition, pages
2008. Vol. 31, no 10, 892-901 p.
Keyword [en]
Duplex stainless steel, Low cycle fatigue, Micromechanical behaviour, Neutron diffraction, VPSC simulation
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-15561DOI: 10.1111/j.1460-2695.2008.01277.xOAI: oai:DiVA.org:liu-15561DiVA: diva2:126609
Note
The definitive version is available at www.blackwell-synergy.com: R. Lin Peng, G. Chai, N. Jia, Y. D. Wang and S. Johansson, Micromechanical Interactions in a Superduplex Stainless Steel Subjected to Low Cycle Fatigue Loading, 2008, Fatigue and Fracture of Engineering Materials and Structures, (31), 10, 892-901.http://dx.doi.org/10.1111/j.1460-2695.2008.01277.x. Copyright: Blackwell Publishing www.blackwell-synergy.comAvailable from: 2008-11-18 Created: 2008-11-18 Last updated: 2009-05-12Bibliographically approved

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Peng, Ru Lin Johansson, Sten

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