反应堆压力容器在役检查规范特性值与超声波检测数据分析方法之间的相互关系

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Correlation between Code Threshold/Criteria and Ultrasonic Testing Data Analysis Method in Reactor Vessel In-service Inspection

摘要: 对法国RSEM规范中的记录阈值、规范化阈值和验收标准之间的相互关系以及超声波检测中使用的波幅法和尖端衍射法显示定量技术之间的相互关系进行了详细的分析。明确界定了核电站反应堆压力容器役前和在役超声波检查中不同的规范特性值使用合适的数据分析和缺陷验收处理办法。该方法中采用的原则亦可应用于一回路其它部件役前和在役检查的数据分析和缺陷验收处理。
- 在役检查 /
- 规范特性值 /
- 数据分析 /
- 相互关系
Abstract: The relationships among recording threshold, threshold of characterization and acceptance criteria defined in RSEM Code, as well as that between the UT sizing techniques of 6dB drop and crack tip diffraction methods, are analyzed in detail. The corresponding relationships between Code defined thresholds or criteria and suitable data analysis and indication treatment methods in NPP RPV PSI and ISI are clearly determined in this paper. The principle adopted by this method can be applied to data analysis and indication acceptance of other components PSI and ISI in NPP primary loop.
- In-service inspection /
- Threshold ＆ criteria /
- Data analysis /
- Relationship