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On the Resolution in Strain/Stress Measurements on Bulk Polycrystalline Samples by 3-Axis Neutron Diffractometer
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SYSNO ASEP 0564991 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title On the Resolution in Strain/Stress Measurements on Bulk Polycrystalline Samples by 3-Axis Neutron Diffractometer Author(s) Mikula, Pavol (UJF-V) RID, ORCID, SAI
Ryukhtin, Vasil (UJF-V) RID, ORCID, SAI
Michalcová, A. (CZ)
Em, V. (RU)Number of authors 4 Source Title Physics of Metals and Metallography - ISSN 0031-918X
Roč. 123, č. 13 (2022), s. 1348-1353Number of pages 6 s. Publication form Print - P Language eng - English Country US - United States Keywords neutron diffraction ; Bragg diffraction optics ; residual stress measurement OECD category Materials engineering R&D Projects EF16_013/0001812 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) EF16_013/0001794 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) Research Infrastructure CANAM II - 90056 - Ústav jaderné fyziky AV ČR, v. v. i.
Reactors LVR-15 and LR-0 II - 90120 - Centrum výzkumu Řež s.r.o.Method of publishing Limited access Institutional support UJF-V - RVO:61389005 UT WOS 000881748100002 EID SCOPUS 85141834342 DOI 10.1134/S0031918X21100811 Annotation Important resolution properties of the high-resolution 3-axis neutron diffraction set-up were investigated in the frame of feasibility of its use for strain/stress measurements on bulk polycrystalline samples. The strain analysis was carried out by rocking the BPC-analyzer and the neutron signal registered by a point detector. The so-called rocking curve then provided a sample diffraction profile and could reflect the lattice or structural changes. In comparison with a conventional 2-axis set-up, this instrument alternative could be successfully applied, namely, in the strain/stress measurements in bulk samples exposed to an external load, e.g. in tension/compression rig, in aging machine etc. and provide average strain values over a large irradiated volume of the sample. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2023 Electronic address https://doi.org/10.1134/S0031918X21100811
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