Publication: Characterization and evaluation of aluminium/cerium oxide doped Y-TZP
Date
2014
Authors
Muhammad Saufi Zulkifli
Journal Title
Journal ISSN
Volume Title
Publisher
Abstract
Yttria Stabilized Tetragonal Zirconia Polycrystal (Y-TZP) has been broadly utilized as a part of industry as a structural ceramic. It has turned into an essential progressed ceramic because of its high strength, high warm dependability and other predominant properties. In spite of the fact that it forces with incredible mechanical properties. Despite the fact that it gangs with incredible mechanical properties however the use of it is constrained because of Low Temperature Degradation (LTD) which because of the stage changing from tetragonal to monoclinic stage when it experiences toughening at the temperature extent of (100°Cto 500°C). Researchers recommended that to expand the LTD, alloying with oxides, for example, Aluminum Oxide and Cerium Oxide could builds the tetragonality and temperature for (t) to (m) stage transformation drag out the material lifespan without a noteworthy distinction in density. Along these lines, the reason for this examination undertaking is to study part of Aluminum Oxide and Cerium Oxide as dopants on the mechanical properties and ageing conduct of Y-TZP.
In this study, an economically accessible Y-TZP ceramic, Aluminum Oxide and Cerium Oxide were created for three diverse sintering profiles with different measure of dopants; Aluminum oxide and Cerium Oxide. The study indicated no noteworthy distinction density esteem for all the examples. All around this investigation, it is accounted for that the ideal sintering temperature was 1450°C where the best specimen with mechanical properties is gotten. In the ageing conduct, a perception of higher dopants substance might build the rate consistent of LTD.
In general examination between undoped and doped of Y-TZP was the doped Y-TZP had upgraded the execution of material as far as mechanical properties without having a gigantic distinction in densities. Nonetheless, the ageing examination should do again for further study and examinations because of the issue brought on by the starting powder.
Description
TA455.C43 M83 2014
Keywords
Ceramic materials , Ceramic engineering , Aluminium oxide