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Information × Registration Number 0209U005525, 0108U005961 , R & D reports Title Development techniques working out the products immersing neutrons from hafnium for use in a fissile region of reactors of type ВВЭР. Section 1. Manufacturing techniques working out прутков from hafnium for use in construction immersing devices. popup.stage_title Head Kovtun Kostyantyn Vasyl'ovych, Registration Date 19-02-2009 Organization National Science Center "Kharkiv Institute of Physics and Technology popup.description2 The purpose of work was development of the "know-how" stick from metal hafnium which should meet the requirements which define an opportunity of their use in designs of bodies of regulation of nuclear reactors. To realization of this purpose applied electron beam fusible at reception of initial ingots. For crushing cast structure ingots subjected forging and the forged preparations rolling in sticks on specially made profile rollers the rolling mill. Sticks in addition subjected to hot drawing, and then straightening and heat treatment in specially created installation. At a final stage a surface sticks subjected to grinding and sticks have cut off from end faces till the set length. At all fabrication stages of semifinished items the control of properties and structures of a material and the received products was spent. On the developed technology the experimental batch ground sticks hafnium is received Product Description popup.authors popup.nrat_date 2020-04-02 Close