摘要:
The method involves measuring hydrogen permeation in the tubes by mass spectrometry, wherein the tube is inserted into a high or ultrahigh vacuum device in which a mass spectrometer and a total pressure gauge are located. H2 or H2 and inert gas mixtures are circulated inside the tube at the required partial pressure. The tube is then heated and the appearance of H2 outside the tube is observed. The flow thereof inside the tube and its emergence time, called permeation time, are determined based on permeation curves. The emergence time of the first microcrack is also determined.
摘要:
The method involves measuring hydrogen permeation in the tubes by mass spectrometry, wherein the tube is inserted into a high or ultrahigh vacuum device in which a mass spectrometer and a total pressure gauge are located. H 2 or H 2 and inert gas mixtures are circulated inside the tube at the required partial pressure. The tube is then heated and the appearance of H 2 outside the tube is observed. The flow thereof inside the tube and its emergence time, called permeation time, are determined based on permeation curves. The emergence time of the first microcrack is also determined.
摘要翻译:该方法包括测量通过质谱法的管,worin管被插入到高或超高真空装置,其中质谱仪和共压力计位于氢渗透。 H 2或H 2和惰性气体混合物在所要求的分压在管内循环。 该管然后被加热和H 2的管外的外观观察。 该管在其内部的流动和它的出现时间,称为渗透时间,是确定性的开采基于渗透曲线。 第一微裂纹的出现时间是如此确定的开采。