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Titel: Development and characterization of titanium-based bulk metallic glasses
VerfasserIn: Kuball, Alexander
Gross, Oliver
Bochtler, Benedikt
Adam, Bastian
Ruschel, Lucas
Zamanzade, Mohammad
Busch, Ralf
Sprache: Englisch
Titel: Journal of Alloys and Compounds
Bandnummer: 790
Seiten: 337-346
Verlag/Plattform: Elsevier
Erscheinungsjahr: 2019
DDC-Sachgruppe: 500 Naturwissenschaften
Dokumenttyp: Journalartikel / Zeitschriftenartikel
Abstract: The amorphous structure of bulk metallic glasses results in outstanding properties, which are able to outshine the properties of common metallic biomaterials. In particular, Ti-based bulk metallic glasses are interesting candidates for the use as biomaterial or as structural material in lightweight applications. However, the usage of known Ti-based bulk metallic glasses with casting thicknesses of several millimeters is strongly limited due to the large content of rare, expensive and harmful elements. In this work, we design Ni-free Ti-based bulk metallic glasses with a low Cu-content, being suitable for the application as biomaterial. On the basis of the binary Ti-Ni system, novel glass forming alloys are developed by the addition of sulfur. In order to increase the glass forming ability and to reduce the Ni-content, Ti was substituted with Zr and Ni with Cu. Finally, it is possible to produce synchrotron X-ray amorphous samples with a diameter of 3 mm for the Ni-free alloy Ti40Zr35Cu17S8. Furthermore, it is shown that industrial grade raw materials can be used for the synthesis of amorphous samples of this alloy without diminishing the glass forming ability or the mechanical properties. Characterization by mechanical and electrochemical tests proves the superiority of the novel alloys over commercial amorphous and crystalline alloys. All in all, a new class of Ni-free Ti-based bulk metallic glasses with unprecedented properties is developed, being highly attractive for a widespread use.
DOI der Erstveröffentlichung: 10.1016/j.jallcom.2019.03.001
URL der Erstveröffentlichung: https://www.sciencedirect.com/science/article/abs/pii/S0925838819308059
Link zu diesem Datensatz: urn:nbn:de:bsz:291--ds-396570
hdl:20.500.11880/35733
http://dx.doi.org/10.22028/D291-39657
ISSN: 0925-8388
Datum des Eintrags: 4-Mai-2023
Fakultät: NT - Naturwissenschaftlich- Technische Fakultät
Fachrichtung: NT - Materialwissenschaft und Werkstofftechnik
Professur: NT - Prof. Dr. Ralf Busch
Sammlung:SciDok - Der Wissenschaftsserver der Universität des Saarlandes

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