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Modification of the structure and properties of gradient nanocrystalline coatings Ti-Al- Si-Cu-N by annealing in vacuum S. Ovchinnikov, Y. Pinzhin

By: Ovchinnikov, Stanislav VContributor(s): Pinzhin, Yury PMaterial type: ArticleArticleSubject(s): градиентные нанокристаллические покрытия | отжиг в вакууме | подложкаGenre/Form: статьи в журналах Online resources: Click here to access online In: AIP Conference Proceedings Vol. 1783. P. 020174-1-020174-4Abstract: The nanocrystalline gradient coatings system Ti-Al-Si-Cu-N were annealed in the temperature range of 500– 1100°C. Their composition, structure, and mechanical properties were studied by methods of scanning and transmission electron microscopy, scratch test, and measurement of nanohardness. It is shown that the diffusion of substrate elements has a crucial impact on the heat-activated processes of structure recovery, the growth of crystal size and the properties of materials. This results in nanocomposite structure with high adhesion characteristics of the coatings.
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The nanocrystalline gradient coatings system Ti-Al-Si-Cu-N were annealed in the temperature range of 500– 1100°C. Their composition, structure, and mechanical properties were studied by methods of scanning and transmission electron microscopy, scratch test, and measurement of nanohardness. It is shown that the diffusion of substrate elements has a crucial impact on the heat-activated processes of structure recovery, the growth of crystal size and the properties of materials. This results in nanocomposite structure with high adhesion characteristics of the coatings.

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