HIGH TEMPERATURE CHEMISTRY OF CERAMIC NUCLEAR FUELS WITH EMPHASIS ON NONSTOICHIOMETRY
作者： KEIJI NAITO , NAOKI KAMEGASHIRA
DOI: 10.1016/B978-0-12-029309-4.50010-6
关键词:
摘要: Publisher Summary The choice of ceramic materials for nuclear fuel is mainly caused by their favorable properties at high temperatures. These high-temperature the material strongly influence performance a power reactor. This chapter reviews phase equilibrium these fuels temperatures and describes nonstoichiometric region, defect structure, thermodynamic data. composition compound varies continuously with change external conditions, such as temperature pressure, in turn, composition. A continuous structure obtained adding to stoichiometric To identify different structures, following classification used: (1) simple (point) defect, (2) complex (3) stacking fault. Diffusion vaporization processes are taken representative phenomena characteristic relation nonstoichiometry.
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