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https://hdl.handle.net/20.500.14279/9334
Τίτλος: | Microstructure and nanomechanical properties of magnetron sputtered Ti − Nb films | Συγγραφείς: | Photiou, Demetris Panagiotopoulos, Nikolaos T. Koutsokeras, Loukas E. Evangelakis, Georgios Antomiou Constantinides, Georgios |
metadata.dc.contributor.other: | Φωτίου, Δημήτρης Κουτσοκέρας, Λούκας Κωνσταντινίδης, Γιώργος |
Major Field of Science: | Engineering and Technology | Field Category: | Nano-Technology | Λέξεις-κλειδιά: | Electron microscopy;Nanoindentation;Titanium alloys;X-ray diffraction;β − Ti poromechanics | Ημερομηνία Έκδοσης: | 25-Σεπ-2016 | Πηγή: | Surface and Coatings Technology, 2016, vol. 302, pp. 310-319 | Volume: | 302 | Start page: | 310 | End page: | 319 | DOI: | http://dx.doi.org/10.1016/j.surfcoat.2016.06.014 | Περιοδικό: | Surface and Coatings Technology | Περίληψη: | Titanium niobium (Ti − Nb) films, covering a broad spectrum of compositions, are deposited on silicon substrates using magnetron co-sputtering. The morphological, crystallographic and mechanical characteristics of the films are studied using scanning electron microscopy (SEM), X-ray diffraction (XRD) and nanoindentation, respectively. The Ti − Nb films exhibit a columnar growth and contain porosity at volumetric percentages of 2–14 vol%. Furthermore, it is observed that the allotropic β − Ti phase can be stabilized at room temperature for Nb compositions beyond 20 at%. Phase composition and microstructural details have subsequent implications on the mechanical properties of the films which are studied experimentally and micromechanically. Among the tested compositions, Ti85Nb15 exhibits the lowest elastic modulus. The obtained structure–property relations could serve as a tool for material optimization. | URI: | https://hdl.handle.net/20.500.14279/9334 | ISSN: | 02578972 | DOI: | 10.1016/j.surfcoat.2016.06.014 | Rights: | © Elsevier | Type: | Article | Affiliation: | Cyprus University of Technology University of Ioannina Université Grenoble Alpes CNRS |
Εμφανίζεται στις συλλογές: | Άρθρα/Articles |
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