Synthesis of YSZ nanopowders by using PVA-metallic nitrate combustion method

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Year : 2024 | Volume :14 | Issue : 03 | Page : –
By
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Cha Jang-Song,

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Ju Kwang-Bok,

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Hong Sin-Hui,

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Ri Ki-Ho,

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5Kim Su-Il,

  1. Research sholor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea
  2. Research sholor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea
  3. Research sholor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea
  4. Research sholor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea
  5. Research sholor, High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People’s Republic of Korea

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Yttria-stabilized zirconia (8YSZ) powder is widely used as a thermal barrier coatings material for various aeronautical gas turbine engine components and structures operating in high temperature environment as well as for the nozzle of solid rocket engine due to its relatively high thermal expansion coefficient, thermal reflectivity, low thermal and good corrosion resistance. The synthesis of single or composite metal oxides by combustion of metal-polyvinyl alcohol gel precursors (Me-PVA) has attracted attention due to the simplicity of the process and the excellent properties of the prepared powders compared to other techniques. In this research, we studied some decisive process factors that influence on the properties of nano-crystal yittria-stabilized zirconia(8YSZ) particles for a thermal barrier coatings material made by a combustion method of Me(Zr4+,Y3+)-PVA gel precursor. Thermogravimetric analysis (TG) and differential thermal analysis (DTA) were performed to study the pyrolysis behavior of Me (Zr4+,Y3+)-PVA precursor gel Average size of the particles which are measured by XRD analysis is calculated with Scherrer formula. For observation and specialization of the particle size in relation to the different mass ratio(N:P) of metallic nitrate to PVA, a scan electron microscope(SEM) was used. Experiments showed that it is possible to make YSZ spherical crystal grain with more fine and narrow size distribution in case of the complete combustion following gradual reactions during the burning time. Me(Zr4+,Y3+)-PVA gel combustion technology is of effective way to produce 8YSZnanopowders for the future development of thermal barrier coatings material that not only protects engine element from oxidation and thermal abrasion but also prevents heat motion.

Keywords: Combustion method, 8YSZ, Metallic-PVA gel precursor, PVA, YSZ Nanopowder

[This article belongs to Journal of Nanoscience, NanoEngineering & Applications (jonsnea)]

How to cite this article:
Cha Jang-Song, Ju Kwang-Bok, Hong Sin-Hui, Ri Ki-Ho, 5Kim Su-Il. Synthesis of YSZ nanopowders by using PVA-metallic nitrate combustion method. Journal of Nanoscience, NanoEngineering & Applications. 2024; 14(03):-.
How to cite this URL:
Cha Jang-Song, Ju Kwang-Bok, Hong Sin-Hui, Ri Ki-Ho, 5Kim Su-Il. Synthesis of YSZ nanopowders by using PVA-metallic nitrate combustion method. Journal of Nanoscience, NanoEngineering & Applications. 2024; 14(03):-. Available from: https://journals.stmjournals.com/jonsnea/article=2024/view=0

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Regular Issue Subscription Original Research
Volume 14
Issue 03
Received 30/09/2024
Accepted 05/10/2024
Published 23/10/2024
252

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