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- Sohn, Dong-Seong
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Sintering behavior of U-80 at.%Zr powder compacts in a vacuum environment
- Author(s)
- Kim, Tae-Kyu, Lee, Chong-Tak, Sohn, Dong-Seong
- Issued Date
- 2008-01
- Citation
- JOURNAL OF NUCLEAR MATERIALS, v.372, no.2-3, pp.394 - 399
- Abstract
- Sintering behavior of U-80 at.%Zr powder compacts in a temperature range from 1100 to 1500 °C in a vacuum of 1 × 10-4 Pa was evaluated. The sintered density depended more on the sintering temperature than on the sintering time. The sintered specimens consisted of the δ-UZr2 matrix with acicular α-Zr precipitates, but it still had un-reacted zirconium when the sintering temperature was 1100 °C. The uranium depletion near the surface of the specimens sintered at temperatures above 1300 °C was detected. Massive Zr(O) grains in the sintered specimen were found, and their formation was restrained when the cooling rate from the sintering temperature was increased.
- Publisher
- ELSEVIER SCIENCE BV
- ISSN
- 0022-3115
- Keyword
- U-O
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