| Issue |
MATEC Web Conf.
Volume 277, 2019
2018 International Joint Conference on Metallurgical and Materials Engineering (JCMME 2018)
|
|
|---|---|---|
| Article Number | 03011 | |
| Number of page(s) | 6 | |
| Section | Material and Mechanics | |
| DOI | https://doi.org/10.1051/matecconf/201927703011 | |
| Published online | 02 April 2019 | |
Determination of temperature dependences of Young's modulus and internal friction of fuel cladding by resonance method
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute), 115409 Moscow, Russia
* Corresponding author: aimaksimkin@mephi.ru
We study elastic characteristics and internal friction of fuel claddings to improve computer codes for VVER-1000 fuel rods. We analytically described elastic characteristics of cladding material and obtained coefficient of the form of the first longitudinal frequency numerically. We described new measuring module for automatic acquisition data. We’ve established temperature dependences of Young’s modulus and internal friction via high-temperature facility and developed electronic module and noted maximum of these characteristics at the temperature 1160 K. It can be explained by the destruction of the texture in the material of claddings.
© The Authors, published by EDP Sciences, 2019
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