DOI: 10.1111/j.1151-2916.1981.tb09609.x. Effect of Oxygen Potential on the Thermal Creep of Niobia Doped UO<sub>2</sub>

Effect of Oxygen Potential on the Thermal Creep of Niobia Doped UO2

10.1111/j.1151-2916.1981.tb09609.x

Crossref journal-article

Wiley

Journal of the American Ceramic Society (311)

Abstract

Compressive and tensile creep were measured on UO2 doped with 0.4 wt % niobia at controlled oxygen potentials. Kinetic results were almost identical, irrespective of the nature of the applied stress, but differences in after‐test microstructures were observed. Formation of “plastic” UO2 with increases in strain rate of more than two orders of magnitude were recorded when oxygen potential changed from −560 to −410 kJ/mol; this was associated, primarily, with the formation of the Nb4+ ion. Over the same range of oxygen potential, creep activation energy decreased linearly from −425 to −225 kJ/ mol. In contrast, strain rate and activation energy for undoped UO2 remain almost constant under these conditions.

Bibliography

AINSCOUGH, J. B., RIGBY, F., & MORROW, S. A. (1981). Effect of Oxygen Potential on the Thermal Creep of Niobia Doped UO2. Journal of the American Ceramic Society, 64(5), 315â318. Portico.

Authors 3

J. B. AINSCOUGH (first)
F. RIGBY (additional)
S. A. MORROW (additional)

References 12 Referenced 18

{'key': 'e_1_2_1_2_2', 'volume-title': 'Fabrication of Water Reactor Fuel Elements', 'author': 'Ainscough J. B.', 'year': '1979'} / Fabrication of Water Reactor Fuel Elements by Ainscough J. B. (1979)
{'key': 'e_1_2_1_3_2', 'volume-title': 'Thermochemical Tables (PB 168 370)', 'author': 'JANAF', 'year': '1965'} / Thermochemical Tables (PB 168 370) by JANAF (1965)
10.1016/0036-9748(69)90191-4
10.1016/0001-6160(73)90023-0
10.1016/0022-3115(71)90011-0
10.1016/0022-3115(79)90035-7
{'issue': '3', 'key': 'e_1_2_1_8_2', 'first-page': '360', 'article-title': 'High Temperature Deforniation Mechanism in Ceramics', 'volume': '59', 'author': 'Blumenthal W.', 'year': '1980', 'journal-title': 'Am. Ceram. Soc. Bull.'} / Am. Ceram. Soc. Bull. / High Temperature Deforniation Mechanism in Ceramics by Blumenthal W. (1980)
10.1016/0022-3115(72)90018-9
{'key': 'e_1_2_1_10_2', 'first-page': '1', 'article-title': 'Thermochemical Tables', 'volume': '4', 'author': 'JANAF', 'year': '1975', 'journal-title': 'J. Phys. Chem. Ref. Data'} / J. Phys. Chem. Ref. Data / Thermochemical Tables by JANAF (1975)
{'key': 'e_1_2_1_11_2', 'volume-title': 'Physical Metallurgy of Reactor Fuel Elements', 'author': 'Burton B.', 'year': '1973'} / Physical Metallurgy of Reactor Fuel Elements by Burton B. (1973)
10.1016/0022-3115(69)90163-9
{'key': 'e_1_2_1_13_2', 'volume-title': 'Review of Out‐of‐Pile and In‐Pile Creep of Ceramic Nuclear Fuels', 'author': 'Seltzer M. S.', 'year': '1971'} / Review of Out‐of‐Pile and In‐Pile Creep of Ceramic Nuclear Fuels by Seltzer M. S. (1971)

Dates

Type	When
Created	19 years, 2 months ago (June 6, 2006, 11:21 a.m.)
Deposited	1 year, 9 months ago (Nov. 23, 2023, 1:22 p.m.)
Indexed	1 year, 9 months ago (Nov. 23, 2023, 6:19 p.m.)
Issued	44 years, 4 months ago (May 1, 1981)
Published	44 years, 4 months ago (May 1, 1981)
Published Online	19 years, 3 months ago (June 2, 2006)
Published Print	44 years, 4 months ago (May 1, 1981)

Funders 0

None

BibTeX

@article{AINSCOUGH_1981, title={Effect of Oxygen Potential on the Thermal Creep of Niobia Doped UO2}, volume={64}, ISSN={1551-2916}, url={http://dx.doi.org/10.1111/j.1151-2916.1981.tb09609.x}, DOI={10.1111/j.1151-2916.1981.tb09609.x}, number={5}, journal={Journal of the American Ceramic Society}, publisher={Wiley}, author={AINSCOUGH, J. B. and RIGBY, F. and MORROW, S. A.}, year={1981}, month=may, pages={315–318} }

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