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Curves are given different grain boundaries bulk density (table 1). AE-0.4 at. % Ti. K 0 = 10-6 dpa /s. Dependence of vacancy pore growth rate in the austenitic steel pores on temperature.

Curves are given different grain boundaries bulk density (table 1). AE-0.4 at. % Ti. K 0 = 10-6 dpa /s. Dependence of vacancy pore growth rate in the austenitic steel pores on temperature.

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Table 1. Values of the volume density of grain boundaries and grain...
Figure 1. The vacancies concentration dependence in the binding energy...
Figure 2. Temperature dependence of vacancies concentration. : AE Ti, =...
Figure 3.The vacancies concentration dependence on the temperature in...
+4 Figure 4. The constant recombination dependence of radiation defects on...
Effect of impurities and grain boundaries on the kinetic characteristics of the radiation damage of iron and austenitic steels
Article
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  • Apr 2016
Austenitic stainless steel AISI 304, 316 and similar in composition, are used to create many elements of the reactor core, such as fuel cladding of fast-neutron reactor. It is known that during the operation, they became subject to such type of radiation damage, as the vacancy swelling and radiation creep. In this paper, was analyzed the effect of...
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... of the complexes RD concentration, as well dependences on the AE concentration are given at work [1]. Figures 5 and 6 shows that the increase in the volume density of grain boundaries significantly reduces the concentration of free-migratory vacancies in the system and, as a consequence, reduced the rate of growth of vacancy voids and radiation-accelerated creep. The constructed model confirms proven the linear dependence of these effects on the concentration of the RD system. ...

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Effect of Irradiation on Interdiffusion in Fe–Cr System
Article
  • May 2019
A method for calculating diffusion coefficients DFe and DCr and interdiffusion coefficient \(\tilde {D}\) in an irradiated Fe–Cr alloy is proposed. The substitution of the values of the self-diffusion coefficient of iron into Darken’s equation refined by Manning, which are determined with allowance for the radiation enhanced diffusion and the formation of vI and iI complexes (v is a vacancy, i is a self-interstitial atom, and I is an impurity atom), makes it possible to obtain the temperature and concentration dependences of DFe, DCr, and D at various rates of generation of radiation point defects (dpa/s).
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