| Article | |
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| Article name | Evaluation of Radiation Resistance of Barrier Clay Materials |
| Authors | Chubreev D.O. candidate of physical and mathematical sciences, head of the Laboratory of Engineering Safety Barriers, dimanch@tpu.ruMishankin A.Y. engineer, aym13@tpu.ruPavlyuk A.O. candidate of physical and mathematical sciences, Director of the Research Center for the Decommissioning of Nuclear and Radiation Hazardous Facilities, pavlyuk17@tpu.ru.Yazikov E.G. Doctor of Geological and Mineralogical Sciences, Professor, Professor of the School of Earth Sciences and Engineering, yazikoveg@tpu.ru |
| Bibliographic description | Mishankin A. Yu., Chubreev D. O., Pavlyuk A. O., Yazikov E. G. Evaluation of Radiation Resistance of Barrier Clay Materials // Transbaikal State University Journal. 2023. Vol. 29, no. 3. P. 26–34. DOI: 10.21209/2227- 9245-2023-29-3-26-34. |
| Category | Earth and Environmental Sciences |
| DOI | 504 |
| DOI | 10.21209/2227-9245-2023-29-3-26-34 |
| Article type | Original article |
| Annotation | The article presents data on the experience of studying barrier clay materials on the basis of the laboratory of engineering safety barriers of the Research Center for the Decommissioning of Nuclear and Radiation Hazardous Facilities and a review on the topic of the effect of radiation exposure on various characteristics of barrier clay materials. The object of the study is a barrier clay material based on bentonite clay mined at the 10th Khutor deposit (Ust-Abakansky district of the Republic of Khakassia). The bentonites of this deposit are characterized by volcanic-sedimentary genesis, their main component is montmorillonite, which is of pyroclastic origin. The subjects of the study are such indicators of the quality of barrier clay materials when they are used in engineering safety barriers, such as the mineral and micromineral composition before and after irradiation. The purpose of the study is to assess the effect of radiation exposure on the mineral and micromineral composition of barrier clay materials. In the course of the work, studies were carried out using the methods of powder X-ray diffractometry and scanning electron microscopy with energy-dispersive spectrometry. The objectives of the scientific study included the assessment of the radiation resistance of the barrier clay material at an absorbed dose of gamma radiation of 45–50 MGy. In the course of the work, literature data on the effect of radiation exposure on the properties and characteristics of clay materials were analyzed. Based on the research results, data on the mineral and micromineral composition of barrier clay materials, as well as on the morphology of mineral particles before and after irradiation, were obtained and compared. It is concluded that there is no mineralogical evolution of the substance of the barrier clay material as a result of radiation exposure. |
| Key words | barrier clay material,engineering safety barrier,radiation exposure, radiationresistance, characteris-tics ofbarrier clay materials, mineralcomposition, clay minerals,mineral particle morphology,X-ray diffractometry, scanningelectron microscopy |
| Article information | |
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| Full article | Evaluation of Radiation Resistance of Barrier Clay Materials |
