Fabrication of a large plutonium sphere for use in LLL pulsed-sphere experiments. [Pu--1. 0% Ga alloy]
Two plutonium-alloy hemispheres were cast, machined, and canned for use in pulsed-sphere experiments. LLL physicists will use the data from these experiments to improve physics codes. The total mass of Pu--1.0 wt percent Ga was 9.3 kg. The hemispherical shapes had a radius of 53.7 mm. Both hemispheres were cast with hollow polar cones. In one casting the cone was plugged; in the other casting the cone was left to allow fitting to the neutron generator. The hemispheres were electron beam welded into close-fitting stainless steel cans so they could be used in a non-plutonium area. This report describes the fabrication of the device, which is expected to have long-term research utility. 14 figures.
- Research Organization:
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 7084657
- Report Number(s):
- UCID-17500; TRN: 77-017967
- Country of Publication:
- United States
- Language:
- English
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