Effect of gamma irradiation on morphology and local elemental composition of basalt-based composite material-Reference-Cited by-同舟云学术

Effect of gamma irradiation on morphology and local elemental composition of basalt-based composite material

Published:2023-12-14 Issue:2 Volume:5 Page:8-18
ISSN:2686-8296
Container-title:Journal of Digital Science
language:en
Short-container-title:JDS

Author:

Oniskiv Vladimir¹^ORCID,Stolbov Valerii¹^ORCID,Ibragimova Elvira²^ORCID

Affiliation:

1. Perm National Research Polytechnic University, Perm, Russia

2. Institute of Nuclear Physics Academy of Sciences, Tashkent, Republic of Uzbekistan

Abstract

Scanning electron microscopy (SEM) was used to examine the polished surface of samples made of basalt-based composite material before and after gamma irradiation. Morphology and local elemental composition changes in binder, filler and boundary of composite components depending on radiation dose were revealed. The samples were irradiated within a dose range of 5 to 15 Mrad. It has been shown that at radiation doses up to 10 Mrad, new intermolecular bonds are formed and the material is strengthened. With large doses of radiation, the destruction of bonds and the formation of a gas phase is observed. This results in softening of the composite. A sufficiently large amount of nitrogen has been detected in the highly irradiated binder. A possible mechanism has been proposed to explain this phenomenon.

Funder

Ministry of Science and Higher Education of the Russian Federation

Publisher

Institute of Certified Specialists

Subject

General Earth and Planetary Sciences

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