Structure phase states formation of Ti-Y surface layer by electro explosion and electron-beam treatment V. E. Gromov, K. V. Sosnin, Y. F. Ivanov [et.al.]
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ArticleSubject(s): поверхностные слои | структурные фазовые состояния | электронно-лучевая обработка | титан-иттрийGenre/Form: статьи в журналах Online resources: Click here to access online
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Materials and electronics engineering Vol. 2, № 3. P. 1-4Abstract: A titanium-yttrium composite surface layer is formed on pure titanium surface by electro explosion and electron-beam treatments. The composite consists of titanium-rich and yttrium-rich eutectic microstructures. Both eutectics are in non-equilibrium state with their chemical constitution deviation from that in equilibrium phase diagram. The surface layer increases the surface hardness by three times, decreases the friction coefficient by 3 times and reduces the ware rate by 4 times in comparison with that of the surface of pure titanium.
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A titanium-yttrium composite surface layer is formed on pure titanium surface by electro explosion and electron-beam treatments. The composite consists of titanium-rich and yttrium-rich eutectic microstructures. Both eutectics are in non-equilibrium state with their chemical constitution deviation from that in equilibrium phase diagram. The surface layer increases the surface hardness by three times, decreases the friction coefficient by 3 times and reduces the ware rate by 4 times in comparison with that of the surface of pure titanium.
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