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Development of new Mg-Zn-Sr alloys for medical purpose

DOI: 10.1504/IJNT.2020.111327 DOI Help

Authors: Michaela Sulikova (Pavol Jozef Šafárik University in Košice) , Zuzana Molčanová (Institute of Materials Research, Slovak Academy of Sciences) , Beata Ballóková (Institute of Materials Research, Slovak Academy of Sciences) , Juraj Durisin (Technical University of Kosice) , Slávka Martinková (Pavol Jozef Šafárik University in Košice) , Dagmara Varcholová (Institute of Materials Research, Slovak Academy of Sciences; Technical University of Košice) , Stefan Michalik (Diamond Light Source) , Robert Tang Kong (Stanford Synchrotron Radiation Lightsource) , Logan Ward (Argonne National Laboratory) , Apurva Mehta (Stanford Synchrotron Radiation Lightsource) , Katarína Sulova (Institute of Materials Research, Slovak Academy of Sciences; Technical University of Košice) , Miloš Fejercak (Institute of Materials Research, Slovak Academy of Sciences) , Andrea Lachova (Pavol Jozef Šafárik University in Košice) , Róbert Džunda (Pavol Jozef Šafárik University in Košice) , Karel Saksl (Institute of Materials Research, Slovak Academy of Science; Pavol Jozef Šafárik University in Košice)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: International Journal Of Nanotechnology , VOL 17

State: Published (Approved)
Published: November 2020

Abstract: In surgery, in addition to joint replacement, which requires permanent implantation of the prosthesis into the human body, there are many other clinical cases where fixation or mechanical support are only temporarily needed during the healing process of the injured or pathological tissue. In this case, biodegradable materials are the optimal choice as these materials do their job and degrade in the human body thereafter. Amorphous magnesium-zinc based alloys are nowadays a very promising group of metallic glasses (MGs). Unfortunately, the brittleness of Mg-Zn MGs and poor glass forming ability (GFA) have hindered their further application. We have developed a composition series of completely new (not published) ternary Mg-Zn-Sr alloys with attractive properties in terms of possible future applications (density comparable to human bones, wide supercooled liquid region, low rate of degradability, etc.). These ternary alloys will serve as precursors for design of future highly alloyed systems with tuned mechanical properties and dissociation rate in human body.

Journal Keywords: Mg-Zn-Sr; alloys; X-ray diffraction; nanoindentation; degradation rate; thermal stability

Subject Areas: Materials

Facility: PETRA III

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