为了检测核电站反应堆控制棒组件,保障核电站在役检查顺利实施、降低检测成本。对反应堆控制棒组件(RCCA)检测用超声探头进行自主研制,本文详细介绍了15 MHz-Φ4 mm-FP8 mm RCCA超声探头制作流程,通过对压电晶片、声透镜、背衬3方面详...为了检测核电站反应堆控制棒组件,保障核电站在役检查顺利实施、降低检测成本。对反应堆控制棒组件(RCCA)检测用超声探头进行自主研制,本文详细介绍了15 MHz-Φ4 mm-FP8 mm RCCA超声探头制作流程,通过对压电晶片、声透镜、背衬3方面详细介绍探头制作工艺。通过对超声探头进行性能测试,测试脉冲周期数为1.5周,频带宽度为105%,在高温环境下仍能保持优良性能。对超声探头进行模拟检验测试,缺陷测试结果清晰可见,满足检验需求,可完全实现国产化替代进口产品。展开更多
The measuring method of irradiated enriched Hf isotope abundance ratio ^181Hf/^180 Hf and ^182Hf/^180Hf using thermal ionization mass spectrometry (TIMS) was introduced. At the same time, elimination the isobaric inte...The measuring method of irradiated enriched Hf isotope abundance ratio ^181Hf/^180 Hf and ^182Hf/^180Hf using thermal ionization mass spectrometry (TIMS) was introduced. At the same time, elimination the isobaric interference of ^182W in the measurement was discussed. The results of preliminary study have been obtained.展开更多
文摘为了检测核电站反应堆控制棒组件,保障核电站在役检查顺利实施、降低检测成本。对反应堆控制棒组件(RCCA)检测用超声探头进行自主研制,本文详细介绍了15 MHz-Φ4 mm-FP8 mm RCCA超声探头制作流程,通过对压电晶片、声透镜、背衬3方面详细介绍探头制作工艺。通过对超声探头进行性能测试,测试脉冲周期数为1.5周,频带宽度为105%,在高温环境下仍能保持优良性能。对超声探头进行模拟检验测试,缺陷测试结果清晰可见,满足检验需求,可完全实现国产化替代进口产品。
文摘The measuring method of irradiated enriched Hf isotope abundance ratio ^181Hf/^180 Hf and ^182Hf/^180Hf using thermal ionization mass spectrometry (TIMS) was introduced. At the same time, elimination the isobaric interference of ^182W in the measurement was discussed. The results of preliminary study have been obtained.
