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Presentation of the Cordy pilot plant

机译：介绍Cordy中试工厂

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Abstract: lot has been set up to test the Avlis materials in conditions similar to those of a separator. It has therefore been designed as a corrosion loop where the feed is in gaseous phase and the circulation in liquid phase. The temperature is everywhere maintained above the uranium melting point. The facility includes an evaporation apparatus supplied by Leybold S.A., a set of 14 resistors controlled by a regulating system (Eurotherm software), and a cooled inner vessel aimed at the creation of a cold zone in the main vacuum vessel. A 60 kW scanning spot-focusing gun is used, set horizontally on the vacuum vessel. A coil and two magnetic arms set against the crucible create a constant and non homogeneous electromagnetic field which bends the electron beam towards the pool. The field configuration maintains a part of the back-scattered electrons in the crucible. The gun can be isolated from the vacuum vessel by a valve during the maintenance operations such as an emission filament replacement, the test materials being maintained in temperature and under vacuum. During the experiment a video camera records the condensation of the liquid metal in the upper part of the vessel and another camera gives a picture of the electron beam impact on the bath. Conclusions on the behavior of the materials are essentially post-mortem although the development of the gaseous phase is followed by mass spectrometry.!0
机译：摘要：已经建立了在类似于分离器的条件下测试Avlis材料的批次。因此，它被设计成腐蚀回路，其中进料为气相，而循环为液相。各处温度都保持在铀熔点以上。该设施包括由莱伯德公司（Leybold S.A.）提供的蒸发设备，由调节系统（Eurotherm软件）控制的一组14个电阻器以及旨在在主真空容器中形成冷区的冷却内部容器。使用60 kW扫描点聚焦枪，水平放置在真空容器上。一个线圈和两个靠在坩埚上的磁臂产生一个恒定且不均匀的电磁场，该电磁场使电子束向池弯曲。场构形将一部分反向散射电子保持在坩埚中。在维护操作（例如更换发射细丝）期间，可以通过阀门将喷枪与真空容器隔离，使测试材料保持温度和真空。在实验过程中，一台视频摄像机记录了容器上部液体金属的凝结现象，另一台摄像机给出了电子束对熔池的影响。尽管气相的发展随后是质谱分析，但有关材料行为的结论基本上是事后检验。0

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