The effects of sintering additives on the sintering of 3Y-TZP ceramic

Theenagaran, S and Ting, C H and Chin, K L and Yeo, W H and Ng, C K and Ramesh, S and Teng, W D (2021) The effects of sintering additives on the sintering of 3Y-TZP ceramic. IOP Conference Series: Materials Science and Engineering, 1117 (1). 012010. ISSN 1757-8981, DOI

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The influence of 0.5 wt.% of manganese oxide (MnO2) addition as dopant into 3 mol% yttria stabilized tetragonal zirconia polycrystals (3Y-TZP) were studied in comparison to undoped 3Y-TZP using different sintering profiles. Samples were sintered at 1200 degrees C, 1300 degrees C and 1400 degrees C with holding time of 1 min, 12 min, 2 hours and 20 hours all for single step sintering. The optimal sintering profiles are A4 and C2 where 3Y-TZP doped with 0.5% wt. MnO2 sintered at 1400 degrees C for 12 minutes and 1200 degrees C for 20 hours respectively. At these sintering parameters, the MnO2 doped 3Y-TZP sample exhibited relative density of similar to 97%, Vicker's Hardness value of similar to 13 GPa, Fracture toughness value of similar to 4 MPam1/2 and Young's modulus of similar to 210 GPa.

Item Type: Article
Funders: UTAR Research Fund (IPSR/RMC/UTARRF/2018-C2/T04)
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 18 Feb 2022 00:59
Last Modified: 18 Feb 2022 00:59

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