Formation of mullite and mullite-corundum composites from kaolin using spark plasma sintering

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F21%3A00543971" target="_blank" >RIV/61389021:_____/21:00543971 - isvavai.cz</a>
Alternative codes found
RIV/68378297:_____/21:00543971 RIV/61989100:27690/21:10246491 RIV/68407700:21340/21:00350493
Result on the web
<a href="https://link.springer.com/article/10.1007%2Fs41779-021-00571-8" target="_blank" >https://link.springer.com/article/10.1007%2Fs41779-021-00571-8</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/s41779-021-00571-8" target="_blank" >10.1007/s41779-021-00571-8</a>

Result language
angličtina
Original language name
Formation of mullite and mullite-corundum composites from kaolin using spark plasma sintering
Original language description
Mullite, an excellent and versatile material, was synthesized, alone and in a composite with alumina, from natural kaolin-a primary product of a kaolin clay quarry. Kaolin powder for the mullitization process was inserted into a spark plasma sintering (SPS) apparatus in the form of raw kaolin, and in another experiment in the form of calcinated kaolin freed from bound water. Thermal properties, microstructure and phase composition were studied on the obtained samples. It was found out that the effect of calcination was in dehydration of kaolinite and amorphization of its phase composition. Thermal properties of the dehydrated and as-received kaolinite-based material were very similar. Materials with a perfect thermal insulation character were received. Dehydrated and as-received powders were mixed with alumina powder (corrundum phase) and fired by SPS. Mechanical properties-Vickers microhardness as well as parameters based on instrumented indentation were enhanced in the composite because of alumina content.
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
20505 - Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics; filled composites)

Project
<a href="/en/project/EF17_048%2F0007373" target="_blank" >EF17_048/0007373: Damage Prediction of Structural Materials</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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