Abstract
We introduce four new biocompatible toxic element-free Ti-based metallic glass (MG) compositions with constant metalloid (Si10B5) and varying precious metal (PM) contents for simultaneous improvement in glass-forming ability (GFA) and corrosion properties. Being completely free from cytotoxic elements like Cu, Ni, or Be, which are indispensable for Ti-based bulk metallic glass production, limits the GFA of the studied alloys significantly. However, avoiding these elements also realizes an unprecedented corrosion resistance in simulated body fluids, which supports the potential utilization of the alloys as long-lasting dental implant material. The novel Ti60Zr15Si10B5Pd10, Ti60Zr15Si10B5Pt10, Ti60Zr15Si10B5Pd5Pt5, Ti60Zr15Si10B5Pd5Au5 alloys are obtained in ribbon form using conventional single-roller melt spinning. The effect of the PM additions on the GFA and corrosion resistance of the alloys is investigated comparatively with each other by synchrotron X-ray diffraction, differential scanning calorimetry, scanning electron microscopy, and cyclic polarization tests. Further, their Vickers hardness values are deduced using an ultra-sensitive micro indentation method, and the findings are discussed based on the composition dependence. It was found that the Ti60Zr15Si10B5Pd5Pt5 alloy presents a promising GFA while showing outstanding corrosion resistance in a simulated body fluid at 310 K.
| Originalsprache | Englisch |
|---|---|
| Aufsatznummer | 100392 |
| Seitenumfang | 11 |
| Fachzeitschrift | Materials today advances |
| Jahrgang | 19.2023 |
| Ausgabenummer | August |
| Frühes Online-Datum | 21 Juni 2021 |
| DOIs | |
| Publikationsstatus | Veröffentlicht - Aug. 2023 |
Bibliographische Notiz
Funding Information:B.S. acknowledges the Austrian Science Fund ( FWF ) under project grant I3937–N36 , and J.E. acknowledges the ERC Proof of Concept Grant TriboMetGlass (grant ERC-2019-PoC-862485 ). The authors thank Liliana Zarazúa-Villalobos and Benoit Ter-Ovanessian for stimulating discussions. We acknowledge DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the provision of experimental facilities. Parts of this research were carried out at PETRA III and we would like to thank Alba San Jose Mendez for assistance in using beamline P02.1. Beamtime was allocated for proposal I-20220565 EC. We acknowledge DESY (Hamburg, Germany), a member of the Helmholtz Association HGF , for the support with travel costs.
Funding Information:
B.S. acknowledges the Austrian Science Fund (FWF) under project grant I3937–N36, and J.E. acknowledges the ERC Proof of Concept Grant TriboMetGlass (grant ERC-2019-PoC-862485). The authors thank Liliana Zarazúa-Villalobos and Benoit Ter-Ovanessian for stimulating discussions. We acknowledge DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the provision of experimental facilities. Parts of this research were carried out at PETRA III and we would like to thank Alba San Jose Mendez for assistance in using beamline P02.1. Beamtime was allocated for proposal I-20220565 EC. We acknowledge DESY (Hamburg, Germany), a member of the Helmholtz Association HGF, for the support with travel costs.
Publisher Copyright:
© 2023 The Authors