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首页> 外文期刊>Nuclear Materials and Energy >Measuring deuterium permeation through tungsten near room temperature under plasma loading using a getter layer and ion-beam based detection
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Measuring deuterium permeation through tungsten near room temperature under plasma loading using a getter layer and ion-beam based detection

机译：使用吸气剂层和基于离子束的检测方法，在等离子负载下测量室温下钨在钨中的渗透率

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Highlights ? A method to investigate D permeation through W near room temperature is presented. ? Deuterium is injected by plasma loading. ? Permeating deuterium is accumulated in a getter layer of either Zr, Ti or Er. ? Nuclear reaction analysis is used to measure the deuterium amount in the getter. ? Experiments were performed at a sample temperature of 300?K. Abstract A method to measure deuterium permeation through tungsten near room temperature under plasma loading is presented. The permeating deuterium is accumulated in a getter layer of zirconium, titanium or erbium, respectively, on the unexposed side of the sample. Subsequently, the amount of deuterium in the getter is measured ex-situ using nuclear reaction analysis. A cover layer system on the getter prevents direct loading of the getter with deuterium from the gas phase during plasma loading. In addition, it enables the distinction of deuterium in the getter and at the cover surface. The method appears promising to add additional permeation measurement capabilities to deuterium retention experiments, also in other plasma devices, without the need for a complex in-situ permeation measurement setup.
机译：强调 ？提出了一种研究D在室温附近透过W的方法。 ？通过等离子负载注入氘。 ？渗透的氘积累在Zr，Ti或Er的吸气层中。 ？核反应分析用于测量吸气剂中的氘量。 ？实验是在样品温度为300？K的条件下进行的。摘要提出了一种在等离子负载下测定室温下钨在氘中渗透率的方法。渗透的氘分别堆积在样品未暴露侧的锆，钛或的吸气剂层中。随后，使用核反应分析在异位测量吸气剂中的氘量。吸气剂上的覆盖层系统可防止在等离子加载过程中将吸气剂直接从气相中吸收氘。另外，它可以区分吸气剂和盖表面中的氘。该方法似乎有望在其他等离子体设备中为氘保留实验增加额外的渗透测量功能，而无需复杂的原位渗透测量设置。

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