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Self-Irradiation of Ceramics and Single Crystals Doped With Pu-238: Summary of 5 Years of Research of the V. G. Khlopin Radium Institute

Published online by Cambridge University Press:  01 February 2011

Boris E. Burakov
Affiliation:
Laboratory of Applied Mineralogy and Radiogeochemistry, The V.G. Khlopin Radium Institute, 28, 2-nd Murinskiy ave., St. Petersburg, 194021, Russia
Maria A. Yagovkina
Affiliation:
Laboratory of Applied Mineralogy and Radiogeochemistry, The V.G. Khlopin Radium Institute, 28, 2-nd Murinskiy ave., St. Petersburg, 194021, Russia
Maria V. Zamoryanskaya
Affiliation:
Laboratory of Applied Mineralogy and Radiogeochemistry, The V.G. Khlopin Radium Institute, 28, 2-nd Murinskiy ave., St. Petersburg, 194021, Russia
Vladimir M. Garbuzov
Affiliation:
Laboratory of Applied Mineralogy and Radiogeochemistry, The V.G. Khlopin Radium Institute, 28, 2-nd Murinskiy ave., St. Petersburg, 194021, Russia
Vladimir A. Zirlin
Affiliation:
Laboratory of Applied Mineralogy and Radiogeochemistry, The V.G. Khlopin Radium Institute, 28, 2-nd Murinskiy ave., St. Petersburg, 194021, Russia
Alexander A. Kitsay
Affiliation:
Laboratory of Applied Mineralogy and Radiogeochemistry, The V.G. Khlopin Radium Institute, 28, 2-nd Murinskiy ave., St. Petersburg, 194021, Russia
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Abstract

To investigate the resistance of actinide host phases to accelerated radiation damage, which simulates radiation induced effects of long term storage, the following samples doped with plutonium-238 (from 2 to 10 wt. %) have been repeatedly studied using XRD and other methods: cubic zirconia, Zr0.79Gd0.14Pu0.07O1.99; monazite, (La,Pu)PO4; ceramic based on Pu-phosphate of monazite structure, PuPO4; ceramic based on zircon, (Zr,Pu)SiO4, and minor phase tetragonal zirconia, (Zr,Pu)O2; single crystal zircon, (Zr,Pu)SiO4; single crystal monazite, (Eu,Pu)PO4; ceramic based on Ti-pyrochlore, (Ca,Gd,Hf,Pu,U)2Ti2O7. No change of phase composition, matrix swelling, or cracking in cubic zirconia were observed after cumulative dose 2.77×1025 alpha decay/m3. The La-monazite remained crystalline at cumulative dose 1.19×1025 alpha decay/m3, although Pu-phosphate of monazite structure became nearly amorphous at relatively low dose 4.2×1024 alpha decay/m3. Zircon has lost crystalline structures under self-irradiation at dose (1.3-1.5)×1025 alpha decay/m3, however, amorphous zircon characterized with high chemical durability. The Ti-pyrochlore after cumulative dose (1.1-1.3)×1025 alpha decay/m3 became amorphous and lost chemical durability. Radiation damage caused crack formation in zircon single crystals but not in the matrix of polycrystalline zircon. Essential swelling and crack formation as a result of radiation damage were observed in ceramics based on Ti-pyrochlore and Pu-phosphate of monazite structure, but not so far in La-monazite doped with 238Pu.

Type
Research Article
Copyright
Copyright © Materials Research Society 2008

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References

1 Carroll, D., J. Am. Ceram. Soc., 46, [4], 194 (1963).Google Scholar
2 Heimann, R., Vandergraaf, T., J. Mater. Sci. Lett., 7, 583 (1988).Google Scholar
3 Burakov, B., Proc. SAFE WASTE'93, 13-18/06/1993, Avignon, France, 2, 1928 (1993).Google Scholar
4 Ewing, R., Lutze, W. and Weber, W., J. Mat. Res., 10, 243246 (1995).Google Scholar
5 Boatner, L. A., Beall, G. W., Abraham, M. M., et al., Scientific Basis for Nuclear Waste Management, ed. Northrup, C. J. M. Jr , Plenum Press, New York, 2, 289296 (1980).Google Scholar
6 Boatner, L. A. and Sales, B. C., “Monazite”, Radioactive Waste Forms for the Future, eds. Lutze, W. and Ewing, R. C., Elsevier Science Publishers, 495564 (1988).Google Scholar
7 Ebbinghaus, B., VanKonynenburg, R., Ryerson, F., et al., CD-ROM Proc. Int. Symp. WASTE MANAGEMENT-98, Tucson, AZ, USA, 1998, Rep. 65–04 (1998).Google Scholar
8 Burakov, B. E., Anderson, E. B., Zamoryanskaya, M. V., Yagovkina, M. A., Nikolaeva, E. V., Mat. Res. Soc. Symp. Proc. Scientific Basis for Nuclear Waste Management XXV, 713, 333336 (2002).Google Scholar
9 Burakov, B., Anderson, E., Yagovkina, M., Zamoryanskaya, M., Nikolaeva, E., J. Nucl. Sci. and Tech., Suppl., 3, 733736 (2002).Google Scholar
10 Burakov, B. E., Yagovkina, M. A. and Pankov, A. S., “Behavior of Zircon-Based Ceramic Doped with 238Pu under Self-Irradiation”, CD-ROM Proc. Int. Conf. Plutonium Future – The Science, Albuquerque, New Mexico, USA, July 6-10, 2003, CP 673, 274275 (2003).Google Scholar
11 Hanchar, J. M., Burakov, B. E., Anderson, E. B. and Zamoryanskaya, M. V., Mat. Res. Soc. Symp. Proc. Scientific Basis for Nuclear Waste Management XXVI, 757, 215225 (2003).Google Scholar
12 Burakov, B., Anderson, E., “Summary of Pu Ceramics Developed for Pu Immobilization (B506216, B512161)”, Review of Excess Weapons Disposition: LLNL Contract Work in Russia, eds. Jardine, L.J., Borisov, G.B., Proc.3-rd Annual Meet. for Coordination and Review of LLNL Work, St. Petersburg, Russia, Jan. 14-18, 2002, UCRL-ID- 149341, 265270 (2002).Google Scholar
13 Burakov, B., “KRI studies of the U.S. Pu ceramics (B506203)”, Excess Weapons Plutonium Immobilization in Russia, eds. Jardine, L.J., Borisov, G.B., Proc. Meet. for Coordination and Review of Work, St. Petersburg, Russia, Nov. 1-4, 1999, UCRL-ID-138361, 251 (2000).Google Scholar
14 Burakov, B. E., Yagovkina, M. A., Zamoryanskaya, M. V., Kitsay, A. A., Garbuzov, V. M., Anderson, E. B. and Pankov, A. S., Mat. Res. Soc. Symp. Proc. Scientific Basis for Nuclear Waste Management XXVII, 807, 213217 (2004).Google Scholar
15 Burakov, B. E., Yagovkina, M. A., Garbuzov, V. M., Kitsay, A. A. and Zirlin, V. A., Mat. Res. Soc. Symp. Proc. Scientific Basis for Nuclear Waste Management XXVIII, 824, 219224 (2004).Google Scholar
16 Zamoryanskaya, M. V. and Burakov, B. E., Mat. Res. Soc. Symp. Proc. Scientific Basis for Nuclear Waste Management XXVIII, 824, 231236 (2004).Google Scholar
17 Geisler, T., Burakov, B., Yagovkina, M., Garbuzov, V., Zamoryanskaya, M., Zirlin, V. and Nikolaeva, L., J. Nucl. Mater., 336, 2230 (2005).Google Scholar