FEATURES OF ULTRAFINE-GRAINED STRUCTURE FORMING IN ZR-1NB ALLOY
Ekaterina N. Stepanova, Galina P. Grabovetskaya, Ivan P. Mishin, Konstantin A. Prosolov
Pages: 178-186
Published: 1 Jan 2013
Views: 495
Downloads: 56
Abstract: Ultrafine-grained structure forming by the method combined reversible hydrogenation and hot pressing in Zr-1Nb alloy was investigated. Preliminary hydrogenation to concentrations of (0.14–0.4) % at 873 K is found to lead to yield strength decreasing in Zr-1Nb alloy during hot pressing by 1,5–2 times. During uniaxial compression at (70–72) % under isothermal conditions at a temperature of 873 K in Zr-1Nb alloy, hydrogenated to concentration of 0.22 %, homogeneous ultrafine grained structure with an average grain size of 0,4 Pm was formed.
Keywords: zirconium alloy, ultrafine-grained structure, hydrogen
Cite this article: Ekaterina N. Stepanova, Galina P. Grabovetskaya, Ivan P. Mishin, Konstantin A. Prosolov. FEATURES OF ULTRAFINE-GRAINED STRUCTURE FORMING IN ZR-1NB ALLOY. Journal of International Scientific Publications: Materials, Methods & Technologies 7, 178-186 (2013). https://www.scientific-publications.net/en/article/1003047/
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