1. High Temperature Strength of Structural Materials in Gas and Liquid Metal Media Dept., Karpenko Physico-Mechanical Inst. of National Academy of Sciences of Ukraine, Lviv 79060, Ukraine (Corresponding author), e-mail: irynapohrelyuk@gmail.com
2. High Temperature Strength of Structural Materials in Gas and Liquid Metal Media Dept., Karpenko Physico-Mechanical Inst. of National Academy of Sciences of Ukraine, Lviv 79060, Ukraine
3. MATI—Russian State Technological Univ. named after K.E. Tsiolkovsky, Moscow 121552, Russia