| 摘要 |
933,708. Fuel elements; reactor control rods. UNITED STATES ATOMIC ENERGY COMMISSION. Jan. 8, 1962 [Feb. 6, 1961], No. 634/62. Drawings to Specification. Class 39 (4). A nuclear reactor control or fuel rod is formed by mounting absorber, fuel or fertile material within a metal tube, closing each end with a plug of metal wool and then cold drawing, hot drawing or swaging the tube to reduce the diameter. The rod is said to be pervious to helium and impervious to liquid sodium. |
