SrAl 2 Si 2 O 8 ceramic matrices for 90 Sr immobilization obtained via spark plasma sintering-reactive synthesis

E.K. Papynov; A.A. Belov; O.O. Shichalin; I. Yu Buravlev; S.A. Azon; A.V. Golub; A.V. Gerasimenko; Yu. А. Parotkina; A.P. Zavjalov; I.G. Tananaev; V.I. Sergienko

doi:https://doi.org/10.1016/j.net.2021.01.024

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자료유형: 학술저널

저자정보: E.K. Papynov (Institute of Chemistry, Far Eastern Branch of Russian Academy of Sciences) A.A. Belov (Institute of Chemistry, Far Eastern Branch of Russian Academy of Sciences) O.O. Shichalin (Institute of Chemistry, Far Eastern Branch of Russian Academy of Sciences) I. Yu Buravlev (Institute of Chemistry, Far Eastern Branch of Russian Academy of Sciences) S.A. Azon (Far Eastern Federal University) A.V. Golub (Institute of Chemistry, Far Eastern Branch of Russian Academy of Sciences) A.V. Gerasimenko (Institute of Chemistry, Far Eastern Branch of Russian Academy of Sciences) Yu. А. Parotkina (Institute of Chemistry, Far Eastern Branch of Russian Academy of Sciences) A.P. Zavjalov (Institute of Solid State Chemistry and Mechanochemistry of the Siberian Branch of the Russian Acade) I.G. Tananaev (Far Eastern Federal University) V.I. Sergienko (Institute of Chemistry, Far Eastern Branch of Russian Academy of Sciences)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제7호

발행연도: 2021.7

수록면: 2,289 - 2,294 (6page)

DOI: https://doi.org/10.1016/j.net.2021.01.024

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In the present study, an original spark plasma sintering-reactive synthesis (SPS-RS) method for minerallikeceramic materials based on SrAl2Si2O8 feldspar-like skeleton structure was used for the first time,promising solid-state matrices for reliable immobilization of high-energy 90Sr. The method is based onthe “in-situ” reaction of a mixture of SrO, Al2O3 and SiO2 oxides when heated by a unipolar pulsed currentunder compacting pressure. The phase and elemental composition structure were studied. The dynamicsof the consolidation of the reaction mixture of oxides was studied in the range of 900e1200 C. The studyfound the temperature of the high-speed (minutes) SPS-RS formation of single-phase SrAl2Si2O8composition ceramic in the absence of intermediate reaction products with a relative density of up to99.2% and compressive strength up to 145 MPa and a strontium leaching rate of 10 4g/cm2$day.

#Sr-feldspar #Ceramic matrices #Radionuclides immobilization #Reactive synthesis #Spark plasma sintering #SPS-RS

참고문헌 (24)

참고문헌 신청

V.S. Semenishchev / 2020 / Handb. Environ. Chem / Springer Nature :25~42

Y. Sun / 2017 / Applications of Ionizing Radiation / Institute of Nuclear Chemistry and Technology

R.C. O’Brien / 2008 / Safe radioisotope thermoelectric generators and heat sources for space applications / J. Nucl. Mater 377:506~521

Albina I. Orlova / 2019 / Ceramic Mineral Waste-Forms for Nuclear Waste Immobilization / Materials 12(16):2638

S. Kurama / 2009 / The influence of different CaO source in the production of anorthite ceramics / Ceramics International 35(2):827~830

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