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In situ neutron diffraction study of alpha-gamma Fe-Cr-Ni alloys under tensile deformation
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SYSNO ASEP 0185333 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title In situ neutron diffraction study of alpha-gamma Fe-Cr-Ni alloys under tensile deformation Author(s) Harjo, S. (JP)
Tomota, Y. (JP)
Lukáš, Petr (UJF-V) RID, ORCID, SAI
Neov, Dimitar (UJF-V)
Vrána, Miroslav (UJF-V) RID
Mikula, Pavol (UJF-V) RID, ORCID, SAI
Ono, M. (JP)Source Title Acta Materialia. - : Elsevier - ISSN 1359-6454
Roč. 49, č. 13 (2001), s. 2471-2479Number of pages 9 s. Language eng - English Country GB - United Kingdom Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders R&D Projects GV202/97/K038 GA ČR - Czech Science Foundation (CSF) KSK1010104 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) Annotation Neutron diffraction experiments were performed in situ upon tensile loading for five Fe-Cr-Ni alloys with different ferrite volume fractions ranging from 0 to 100%. The diffraction profiles were recorded along with the tensile deformation curves during temporary stops in a deformation machine (5 ks each) with the crosshead fixed. One reflection of each phase, (111) of austenite (gamma) and (110) of ferrite (alpha), respectively, were measured simultaneously byusing a position sensitive detector. Evolution of elastic lattice strains and dislocation densities in both constituent phases was evaluated from measured diffraction profiles as a function of external loading. Based on these experimental results, heterogeneous deformation behavior in the alpha-gamma dual-phase alloys is discussed. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2002
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