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Thermal Properties of Illite-Zeolite Mixtures up to 1100 degrees C

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389021%3A_____%2F22%3A00558615" target="_blank" >RIV/61389021:_____/22:00558615 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11320/22:10456289

  • Result on the web

    <a href="https://www.mdpi.com/1996-1944/15/9/3029" target="_blank" >https://www.mdpi.com/1996-1944/15/9/3029</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3390/ma15093029" target="_blank" >10.3390/ma15093029</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Thermal Properties of Illite-Zeolite Mixtures up to 1100 degrees C

  • Original language description

    Illitic clays are the commonly used material in building ceramics. Zeolites are microporous, hydrated crystalline aluminosilicates, they are widely used due to their structure and absorption properties. In this study, illitic clay (Fuzerradvany, Hungary) was mixed with natural zeolite (NiznATIN SMALL LETTER Y WITH ACUTE Hrabovec, Slovakia) with up to 50 wt.% of zeolite content. The samples were submitted to thermal analyses, such as differential thermal analysis, differential scanning calorimetry, thermogravimetry, and dilatometry. In addition, the evolution of thermal diffusivity, thermal conductivity, and specific heat capacity in the heating stage of firing were measured and discussed. The amount of the physically bound water in the samples increased along with the amount of zeolite. The temperature of the illite dehydroxylation (peak temperature) was slightly shifted to lower temperatures, from 609 degrees C to 575 degrees C (for sample IZ50). On the other hand, the mass loss and the shrinkage of the samples significantly increased with the zeolite content in the samples. Sample IZ50 reached 10.8% shrinkage, while the sample prepared only from the illitic clay contracted by 5.8%. Nevertheless, the temperature of the beginning of the sintering (taken from the dilatometric curves) decreased from 1021 degrees C (for illitic clay) to 1005 degrees C (for IZ50). The thermal diffusivity and thermal conductivity values decreased as the amount of zeolite increased in the samples, thus showing promising thermal insulating properties.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    20501 - Materials engineering

Result continuities

  • Project

    <a href="/en/project/GA20-01536S" target="_blank" >GA20-01536S: Controlled modification of mineralogical composition of ceramic body for improvement of its utility properties</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Materials

  • ISSN

    1996-1944

  • e-ISSN

    1996-1944

  • Volume of the periodical

    15

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    14

  • Pages from-to

    3029

  • UT code for WoS article

    000794726200001

  • EID of the result in the Scopus database