Abstract
In fusion reactors, radioactivity can be controlled by effective material selection. Material selection is always important for efficient conversion of radioactivity to electrical energy.The selection of structural materials provides more efficient use of these structural materials with the results obtained from nuclear reactions. Low activation materials not only high in structural material performance and longer life, but also minimize related problems. Iron is an important element in fusion reactor technologies and astrophysical applications. For this reason, we obtained the theoretical cross-section values of the 54Fe(α, n)57Ni reaction in the range of 5-15 MeV (Mega electron volt) in this study. TALYS 1.8 (nuclear model code system) and NON-SMOKER (computer code) were used for theoretical calculations. Astrophysical S-factor values describing reactions at low energies were also calculated. In addition, reaction rate values were calculated with TALYS 1.8 and compared with EXFOR (experimental nuclear reaction data).
Highlights
Fusion energy production and development of these production mechanisms the resistance of the materials to high temperatures and radiation damage is very important
Thermonuclear reaction rate formula can be expressed in equation 2 [12]
After 10 MeV, the experimental data decreased and the Houck [7] values in the 10-15 MeV range are quite compatible with the TALYS 1.8 and NON-SMOKER values, The astrophysical S-factor values obtained by putting the values in figure 2 in their places in equation (1) are shown in figure 3
Summary
Fusion energy production and development of these production mechanisms the resistance of the materials to high temperatures and radiation damage is very important. One of the characteristics that materials to be used in fusion reactors must have to protect them from the effects of radiation is that they have low activation, according to the available data, C (Carbon), Si (Silicon), Ti (Titanium), Fe (Iron), Cr (Chromium) and V (Vanadium) are considered low activation elements. It is not always possible to completely eliminate the high activation elements, either due to limitations in metallurgical processes to maintain mechanical or properties or to manufacture structural materials [1]. When the authors pay particular attention to figure 1, cross-section values in the range of 6-10 MeV were observed intensely
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