Improved microstructure of alumina ceramics prepared from DBD plasma activated powders

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26620%2F19%3APU129932" target="_blank" >RIV/00216305:26620/19:PU129932 - isvavai.cz</a>
Alternative codes found
RIV/00216224:14310/19:00107189
Result on the web
<a href="https://www.sciencedirect.com/science/article/pii/S0955221918306873" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0955221918306873</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1016/j.jeurceramsoc.2018.11.022" target="_blank" >10.1016/j.jeurceramsoc.2018.11.022</a>

Result language
angličtina
Original language name
Improved microstructure of alumina ceramics prepared from DBD plasma activated powders
Original language description
Submicron Al2O3 powders were activated by Diffuse Coplanar Surface Barrier Discharge (DCSBD) plasma. The influence of the plasma treatment on the powder properties and their impact on the microstructure of dry and wet shaped ceramics were investigated. Raman and FTIR analyses of treated powders showed a substantial increase of the powder’s surface hydroxylation, surface cleaning, and the presence of adsorbed NOx originating from the DCSBD. Sintering of the dry shaped plasma treated powders did not influence sintering behavior. On the other hand, the plasma treated powder was able to form stable water suspension without any chemical stabilization aid. Slip cast samples exhibited finer pore size distribution, a higher sinterability, and a finer final microstructure. The grain size of slip casted plasma treated powder was reduced by a factor of 1.7, which facilitated a grain size of 0.68 μm at the relative density of 99.54% t.d. obtained by pressure-less sintering.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20504 - Ceramics

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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