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Activation of the Structural Materials of Fast-Neutron Generators by R. N. Rodionov; A. O. Kovalev; D. V. Portnov; Yu. A. Kashchuk is a Engineering article available to read on EtoBox.

What is Activation of the Structural Materials of Fast-Neutron Generators about?

The activation of a neutron generator is modeled for two operating scenarios: continuous for 16 h and 100 h at 4 h/day for one month. The distribution of the equivalent γ-ray dose rate was calculated for different times after the generator was shut down. Different grades of steel were considered for the material of the neutron generator fl ange. The time dependence of the γ-ray dose rate was calculated for each variant of steel. For long holding times, the steel 316L(N)-IG exhibits the lowest dose rate.Neutron generators are widely used in different fi elds of science and technology as sources of fast neutrons and they are an alternative to nuclear reactors, particle accelerators, and radioisotopic sources. They are used in the oil and gas production industry for well-logging, in analytical applications for activation analysis, and safety systems for detecting narcotics and explosives as well as in medical research [1]. Currently, there exist in the world several manufacturers producing compact generators with yield 10 8 -10 11 sec -1 . Sealed neutron tools are used as the source. An ion acceleration section with acceleration voltage, as rule, not exceeding 250 keV, a Penning ion s

Who reads Activation of the Structural Materials of Fast-Neutron Generators?

Author

R. N. Rodionov; A. O. Kovalev; D. V. Portnov; Yu. A. Kashchuk

Publisher

Springer Science and Business Media LLC

Published

2020

Language

EN

Field

Engineering (Physical Sciences)