The influence of boride inclusions on the structure and properties of 04Kh14Т3R1F steel intended for covers of spent fuel cassettes of nuclear power plants

Keywords

steel, boride inclusions, deformation, mechanical properties, fracture, diffusion sputtering, satellite particles.

Cite as

Gubenko S. I. The influence of boride inclusions on the structure and properties of 04Kh14Т3R1F steel intended for covers of spent fuel cassettes of nuclear power plants. Physicochemical Mechanics of Materials. 2024. 60(4), 068-075.

https://doi.org/10.15407/pcmm2024.04.068

Abstract

The features of the chemical and phase composition, structure and transformations in boride inclusions in 04Kh14Т3R1F steel used for the manufacture of hexagonal pipe covers for transportation and storage of spent nuclear fuel are studied. It is shown that in the process of hot deformation the phase and structural transformations occur: a change in the composition of borides due to the redistribution of elements, dynamic diffusion frag­mentation and release of “satellite” particles, fracture of borides, boride phase transformation. The possibility of static diffusion sputtering of borides at high heating temperatures is demonstrated. The influence of boride inclusions on the structure and mechanical properties of the steel at various deformation temperatures is discussed.

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