Attempts to Produce D2-Gas-Filled Be Shells

Cook, B ; McElfresh, M ; Alford, C ; Fought, E ; Letts, S

Lawrence Livermore National Laboratory

关键词: 42 Engineering;    Coatings;    36 Materials Science;    Thickness;    Porosity;   

DOI  :  10.2172/15014506
RP-ID  :  UCRL-TR-209263
RP-ID  :  W-7405-ENG-48
RP-ID  :  15014506

美国|英语

来源: UNT Digital Library

【 摘 要 】

We have attempted to fabricate some 0.5 mm diameter D{sub 2}-gas-filled Be shells by coating gas-filled PVA-coated GDP mandrels with Cu-doped Be. We find that during the coating all (or most) of the gas leaks out. This is likely due to either small cracks or holes in the coating that are formed at the earliest points and are maintained during the thickness build-up of the coating, and/or to some level of intrinsic porosity in the coating. This memo documents our efforts.