Zhang, Y., Zhou, J., Ren, C., Omran, M., Tang, J., Zhang, F., & Chen, G. (2023). Preparation of novel Ti–Y/ZrO2 ceramic by two-step of mechanical alloying and microwave-assisted sintering process. Journal of Materials Research and Technology, 27, 3436–3446. https://doi.org/10.1016/j.jmrt.2023.10.175
Preparation of novel Ti–Y/ZrO₂ ceramic by two-step of mechanical alloying and microwave-assisted sintering process
|Author:||Zhang, Yanqiong1; Zhou, Ju1; Ren, Chunxiao1;|
1Kunming Key Laboratory of Energy Materials Chemistry, Yunnan Minzu University, Kunming 650500, Yunnan, PR China
2Process Metallurgy Research Group, Faculty of Technology, University of Oulu, Finland
|Online Access:||PDF Full Text (PDF, 12.9 MB)|
|Persistent link:|| http://urn.fi/urn:nbn:fi-fe20231115146688
|Publish Date:|| 2023-11-15
Zirconia composite ceramic materials are popular for their many excellent properties. In this study, nTi-3Y–ZrO₂ composite ceramics were produced by the mechanical alloying-microwave sintering method with different Ti-doping amounts and microwave sintering temperatures. The sample’s phase composition, stability rate, lattice parameters, micromorphology, relative density, and grain size are characterized. The results showed that when the sintering temperature is 1200 °C, the samples with different doping amounts are mainly mixed crystalline structures with tetragonal and cubic phases, and the stability rate remains above 90 %. As TiO₂ doping increases, the lattice parameters a(Å) and b(Å)first increase and then decrease, while the lattice parameter c (Å) shows an overall increasing trend. Raman data demonstrated that the increase in Ti content promoted the generation of tetragonal phase zirconia. The average grain size is 61.33 nm, 76.23 nm, 58.77 nm, 63.35 nm, and 68.99 nm, respectively. The increase in doping is also accompanied by a narrowing of the grain size distribution, which increases the sintering activity of the sample. In addition, the relative densities of the samples were 67.85 %, 73.94 %, 84.25 %, 84.87 %, and 77.54 %, respectively, showing a gradual increasing trend overall. When the microwave sintering temperature is 1200 °C, and the doping amount is 5Ti–3Y–92Zr, the performance of the sample is superior to other groups. The preparation of nTi-3Y–ZrO₂ composite ceramics can provide certain ideas for preparing ceramic materials with excellent performance in various aspects.
Journal of materials research and technology
|Pages:||3436 - 3446|
|Type of Publication:||
A1 Journal article – refereed
|Field of Science:||
216 Materials engineering
Financial support from the National Natural Science Foundation of China (Grant No. 51764052), Academy of Finland (Grant No. 349833), Yunnan Provincial Science and Technology Plan Project (No. 202301AU070127), Yunnan Minzu University for Nationalities Graduate Research and Innovation Fund Project (No. 2023SKY029), and Innovative Research Team (in Science and Technology) in University of Yunnan Province.
|Academy of Finland Grant Number:||
349833 (Academy of Finland Funding decision)
© 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/bync-nd/4.0/).