Calculation for Critical Time of Stainless Steel Cladding in Creep Collapse Condition
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摘要: 压水堆燃料相关组件棒在堆内使用寿期中,不得发生蠕变坍塌以保证包壳结构完整性。这些棒通常使用不锈钢包壳。运用假想夹层分析理论,导出了一个较为简便的不锈钢包壳在通常工作环境下蠕变坍塌临界时间的计算公式。Abstract: In order to keep the integrality of rods for the associated assembly in PWR, the creep collapse of cladding is not permitted. Usually the material of these claddings is stainless steel. A hypothesis sandwich analytical theory is used, and the formulas for calculation of the creep collapse critical time is given in this paper.
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Key words:
- PWR /
- Stainless steel cladding /
- Creep collapse critical time
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