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Statements

Subject Item
n2:RIV%2F60461373%3A22310%2F11%3A43891547%21RIV12-MSM-22310___
rdf:type
skos:Concept n15:Vysledek
dcterms:description
The mechanical properties of starch-zirconia composites, prepared by starch consolidation casting, and their as-fired counterparts (porous zirconia ceramics) are investigated. The elastic modulus and strength can be controlled by selecting the starch type and fine-tuned by applying starch mixtures. Rice starch enhances both the Young's modulus and the flexural strength. For bodies with 30 vol.% of starch, the bulk densities are 2.17-2.47 g/cm3. Young's moduli can attain values of up to 7 GPa, while flexural strengths attain values up to 12 MPa, with a close correlation to bulk density. After firing porous zirconia ceramics are obtained, in which the bulk density differences are retained, leading to total porosities of 34, 26 and 21 % when using 30 vol.% of potato, corn and rice starch, respectively. Young's moduli are of order 60-120 GPa. Irrespective of the starch type, they exhibit a strong correlation to porosity, which is best described by an exponential relation. The mechanical properties of starch-zirconia composites, prepared by starch consolidation casting, and their as-fired counterparts (porous zirconia ceramics) are investigated. The elastic modulus and strength can be controlled by selecting the starch type and fine-tuned by applying starch mixtures. Rice starch enhances both the Young's modulus and the flexural strength. For bodies with 30 vol.% of starch, the bulk densities are 2.17-2.47 g/cm3. Young's moduli can attain values of up to 7 GPa, while flexural strengths attain values up to 12 MPa, with a close correlation to bulk density. After firing porous zirconia ceramics are obtained, in which the bulk density differences are retained, leading to total porosities of 34, 26 and 21 % when using 30 vol.% of potato, corn and rice starch, respectively. Young's moduli are of order 60-120 GPa. Irrespective of the starch type, they exhibit a strong correlation to porosity, which is best described by an exponential relation.
dcterms:title
Mechanical properties of starch-zirconia composites - their relation to composition and microstructure Mechanical properties of starch-zirconia composites - their relation to composition and microstructure
skos:prefLabel
Mechanical properties of starch-zirconia composites - their relation to composition and microstructure Mechanical properties of starch-zirconia composites - their relation to composition and microstructure
skos:notation
RIV/60461373:22310/11:43891547!RIV12-MSM-22310___
n15:predkladatel
n16:orjk%3A22310
n3:aktivita
n18:Z
n3:aktivity
Z(MSM6046137302)
n3:dodaniDat
n9:2012
n3:domaciTvurceVysledku
n5:8986738 n5:5301823
n3:druhVysledku
n12:D
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
211252
n3:idVysledku
RIV/60461373:22310/11:43891547
n3:jazykVysledku
n4:eng
n3:klicovaSlova
flexural strength; Young's modulus; elastic properties; zirconia; Starch (potato, corn, rice)
n3:klicoveSlovo
n7:rice%29 n7:elastic%20properties n7:corn n7:Young%27s%20modulus n7:zirconia n7:flexural%20strength n7:Starch%20%28potato
n3:kontrolniKodProRIV
[9D1E0939E002]
n3:mistoKonaniAkce
Praha
n3:mistoVydani
Praha
n3:nazevZdroje
Proceedings of the 7th International Conference on Polysaccharides - Glycoscience
n3:obor
n22:JH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:rokUplatneniVysledku
n9:2011
n3:tvurceVysledku
Gregorová, Eva Musilová, Anna Pabst, Willi
n3:typAkce
n20:EUR
n3:zahajeniAkce
2011-11-02+01:00
n3:zamer
n11:MSM6046137302
s:numberOfPages
6
n13:hasPublisher
Česká společnost chemická
n10:isbn
978-80-86238-90-6
n21:organizacniJednotka
22310