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Information × Registration Number 0205U006455, 0102U005414 , R & D reports Title Research of influence of preliminary deformation processing of wBN powders on processes of sintering and structurization and development of reception technology of polycrystalline superhard materials with the increased physicomechanical characteristics popup.stage_title Head Kurdyumov Alexandr Vyacheslavovich; Volkogon Vladimir Mihaylovich, Registration Date 10-11-2005 Organization Frantzevich Insitute for Materials Science Problems of the Ukranian National Academy of Sciences popup.description2 It is investigated regularity of phase and structural transformations in wBN at straining with shear, and also at sintering in conditions of high pressures of preliminary deformed powders. It results in activation of these processes due to the raise of a free energy caused by fragmentation of powder and growth of their unsoundness. The problem of reception of sizable polycrystals is solved. Product Description popup.authors popup.nrat_date 2020-04-02 Close