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Information × Registration Number 0208U000841, 0105U000979 , R & D reports Title Mechanisms of alloy structure refinement caused by cellular decomposition of solid solution popup.stage_title Head Shmatko Oleh Anatolijovych, Registration Date 20-02-2008 Organization Institute of Metal Physic G.V.Kurdyumov NAS of the Ukraine popup.description2 Research of conformities to the law of cellular reactions during which it is possible to get the promoted dispersion of structure of metallic alloys, executed mainly on alloys Co-Al, Cu-Ti, Ni-Be and Pb-Sn. Complex research of senescence of alloys is first executed lead-tin of во all concentration interval of homogeneous hard solutions. The stage of senescence of these alloys is set. It is found out that the mechanism of dissolution to a great extent is determined dispersion of structure of cells. Drawn on these results for determination of the modes cyclic термооброблення alloys of "senescence-dissolution of products of disintegration of hard solution" with the purpose of growing shallow them structures. First "in situ" is explored changes of texture of alloys of Pb-Sn in the process of their senescence. A model is offered, that by equalization of diffusive масоперенесення both in a moving interphase boundary and before front of reaction, and also equalization of balance of streams of энтропии and high speed of output of free energy is given by possibility independently to determine the basic kinetic parameters of process: rate of movement of front of transformation, concentration type before front of reaction and remaining satiety of hard solution after that front. It is shown that dependences of concentrations of models of the noted parameters satisfactorily conform to information of experiment Product Description popup.authors popup.nrat_date 2020-04-02 Close