High Resolution Strain Scanning by Neutron Diffracton.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F00%3A49020118" target="_blank" >RIV/61389005:_____/00:49020118 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
High Resolution Strain Scanning by Neutron Diffracton.
Original language description
Two high-resolution neutron diffractomers dedicated to strain/stress investigations in polycrystalline materials are routinely operated at the medium-power reactor LVR-15 in Řež and are also opened for external users. By exploiting Bragg diffraction optics, good luminosity of the diffractometers and a sufficiently high-resolution (FWHM(.delta.d/d) of the instrumental profile can be about 2x10.sup.-3./sup. at d.sub.hkl./sub.=0.2 nm) permit investitgations of both the macro- and microstrains in the samplegauge volume of several cubic millimetres. For scanning the position and profile of diffraction peaks, both diffractometers use the method of the Bragg diffraction angle analysis. However, a novel complemantary modification of the method of energy-dispersive neutron-transmission diffraction for scanning Bragg diffraction edges can easily be implemented on one of the diffractometers. Both methods permit us to determine lattice spacing changes .delta.d/d with the sensitivy down to 10.sup.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year
2000
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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