MATERIALS SCIENCE | |
Название | Phase transformations of system Ti–Al after silicon ionic implantation and the subsequent heat treatment |
Автор | Sagdoldina Zh. B., Mamaeva A. A. |
Реферат | In the present work Ti–Al system was modified with silicon ionic implantation. It is established, that evolution of a microstructure, temperature-time intervals of existence of phases, kinetic transformations depend on a method of layer formation. It is shown, that at ionic implantation surface properties of materials are modified as a result of introduction of the high-energy ions causing change of the structure and phase formed at the top of the layers. It is revealed, that on samples with preliminary irradiated substrate with Si+ ions, process of interaction between the titanium and aluminum is slowed down. It is shown, that on preliminary implanted substrates at consecutive heat treatment, there is a degradation of the formed layer. Structural changes of implanted samples are accompanied with significant increases in microhardness depending on annealing after radiation by Si+ (1 MeV) ions with dose 1017 ion/cm2. |
Ключевые слова | Titanium, titanium silicides, titanium aluminides, ionic implantation, a coating |
Language of full-text | русский |
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