21009 原子炉用黒鉛の大気中酸化に及ぼす外部(剪断)応力の効果と酸化された黒鉛の機械的性質(原子力と材料・構造・組織(2),OS.4 原子力と材料・構造・組織)

概要

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High temperature gas reactor's (HTGR) are designed to produce high temperature gases, and their research and development have been advanced world wide. Nuclear graphites to be used for the reactors will be subjected to oxidation consumption states at high temperature over a long period of time. In the present study, oxidation experiments were carried out as well as under no applied stress. Moreover, tensile tests and compression tests were carried out to these oxidized specimens. As a result, both of the isotropic and fine-grained isotropic graphites were found to be weaken by the oxidation. There results are discussed in some detail.
社団法人日本機械学会の論文
2009-03-05