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Information × Registration Number 0203U000516, 0100U000097 , R & D reports Title Phase and structure transformations in solid solutions formed in essentially unequilibrium conditions. popup.stage_title Head Chuistov K.V., Ustinov A.I., Registration Date 13-02-2003 Organization Institute for metal physics NAS Ukkraine popup.description2 Subject of investigation - structure of materials, obtained in unequilibrium conditions. Propose of work - studying of unequilibrium states of materials, obtained with different methods (quenching from liquid state, supperhigh velocities of cooling, condensation from vapour phase, crystallization in unequilibrium conditions) and properties, connected with them. The methods of investigation - x-ray diffraction, electron microscopy, magnetometry, computer simulation. The coating with quasicrystalline structure was received directly from vapour phase with electron-beam precipitation. The structure of coating was investigated, and the conditions (substrate temperature, precipitation velocities and chemical composition) of obtaining of maximum quisicrystalline fractions was established. Correlation between texture of crystalline and quisicrystalline fractions of coating was showed. The structure of alloys on aluminum base, quenching from liquid state was investigated. The crystal temperature of melt was determined for binary Al-Sc alloys, quenched from liquid state under temperature lower critical results in "fan-similar" structures. Under increasing of cooling velocity to 104-105 degre/sec from temperature 1273K the "whirlwind - similar" structure was observed first; its formation are connected with "fan-similar" structures. The structure and magnetic properties of fine particles of alloys on copper base were studied. It is showed, that mechanism and kinetics of disintegration in fine particles have peculiarities in comparison with massive specimens. Product Description popup.authors popup.nrat_date 2020-04-02 Close