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Information × Registration Number 0207U005756, 0207U004907 , R & D reports Title Development of the equipment for contact-joint weldings and fillings fuel element with helium of a high pressure popup.stage_title Head Ykovlev V., Byelash M., Registration Date 19-06-2007 Organization "Nuclear Fuel Cycle"Science and Technology Establishment National Science Center"Kharkov Institute of Physics & Technology" National Academy of Science,Ukraine popup.description2 There are presented the investigations results on the design of a device to fill VVER-1000 fuel rods with helium up to pressure of 3,0 MPa with subsequent sealing. The most promising options of the device have been determined and patented; the device components and mechanisms have been manufactured and tested for serviceability. There are given the results of investigations on the effect of welding regimes, plug dimension, bridge material and other parameters on the Zr1Nb and E110 welded joints quality; the results of mechanical and autoclave testing. A package of design documentation for the components and mechanisms of the device for filling fuel rods with helium and sealing is provided Product Description popup.authors popup.nrat_date 2020-04-02 Close