Effect of sintering profiles on the properties and ageing resistance of Y-TZP ceramic

Sivakumar, S. and Ramesh, Singh and Chin, K.L. and Tan, C.Y. and Teng, W.D. (2011) Effect of sintering profiles on the properties and ageing resistance of Y-TZP ceramic. International Journal of Automotive and Mechanical Engineering, 4. pp. 405-413. ISSN 2229-8649

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A commercially available Y-TZP ceramic powder was fabricated under four different sintering profiles in order to investigate the effects of conventional single-stage sintering (SSS) with dwell times of 1 min and 2 h, respectively, compared with two-stage sintering (TSS), on the physical and mechanical properties of Y-TZP. Sintering was performed up to 1400oC at a ramp rate of 10oC/min. It was revealed that samples sintered via TSS yielded better properties than the SSS samples sintered at 1400oC using a dwell time of 2 h. In the hydrothermal ageing test, TSS samples did not undergo low-temperature degradation via the tetragonal to monoclinic phase transformation. Nevertheless, it was found by XRD analysis that Y-TZP ceramics sintered by the SSS method using a short dwell time of 1 min were effective in maintaining tetragonal phase stability after 50 h of exposure to superheated steam conditions.

Item Type: Article
Additional Information: you can e-mail to me for the full text of my jurnal at ramesh79@um.edu.my
Uncontrolled Keywords: Single-stage sintering; Two-stage sintering; Mechanical properties; Y-TZP
Subjects: T Technology > TS Manufactures
Divisions: Faculty of Engineering
Depositing User: Mr. Mohammed Salim Abd Rahman
Date Deposited: 03 Jul 2013 02:32
Last Modified: 12 Feb 2020 04:14
URI: http://eprints.um.edu.my/id/eprint/6562

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