Changes of phase composition of  Zr1-x(Ce/Y)xO2 complex oxides induced by thermal treatment

Alina Bruma; Adriana Savin; Mihai-Liviu Craus; Vitalii Turchenko; Sylvie Malo; Tatiana E. Konstantinova; Zdenek Prevorovsky

doi:10.1117/12.2320597

11 September 2018 Changes of phase composition of Zr_1-x(Ce/Y)_xO₂ complex oxides induced by thermal treatment

Alina Bruma, Adriana Savin, Mihai-Liviu Craus, Vitalii Turchenko, Sylvie Malo, Tatiana E. Konstantinova, Zdenek Prevorovsky

Author Affiliations +

Proceedings Volume 10725, Low-Dimensional Materials and Devices 2018; 107250W (2018) https://doi.org/10.1117/12.2320597
Event: SPIE Nanoscience + Engineering, 2018, San Diego, California, United States

Abstract

The medical prosthesis components made from (ZrO₂)-based ceramics present a good biocompatibility as well as especially mechanical properties. Much more, the problems of nondestructive evaluation for these elements, which assure both comfort and maximum safety to the patient, are imperative for these medical implants. In this study, we investigate the structure and the mechanical properties of Zr_1-x(Ce/Y)_xO₂ , (x=0.0;0.09;0.13;0.17) materials as well as the modification of their crystallographic structure due to various thermal treatments and variation of Ce/Y concentrations in the samples. The substitution of Zr with Ce and the thermal treatment at 1000°C produced important transformation in the phase composition and the microstructure of the sample. A large decrease of the microstrains was observed at the treated samples. Combining characterization techniques based on XRD and ND with non-destructive evaluation methods based on Resonant Ultrasound Spectroscopy (RUS) and Acoustic Emission (AE), we emphasize a unique approach on evaluating the physical properties of these ceramics. Performed evaluation tests of Zr_1-x(Ce/Y)_xO₂ ceramics have shown big influence of composition on their fracture behavior and resulting strength due to different damage mechanisms.

Citation Download Citation

Alina Bruma, Adriana Savin, Mihai-Liviu Craus, Vitalii Turchenko, Sylvie Malo, Tatiana E. Konstantinova, and Zdenek Prevorovsky "Changes of phase composition of Zr_1-x(Ce/Y)_xO₂ complex oxides induced by thermal treatment", Proc. SPIE 10725, Low-Dimensional Materials and Devices 2018, 107250W (11 September 2018); https://doi.org/10.1117/12.2320597

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available