Study of microcracking in illite-based ceramics during firing

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F16%3A10321515" target="_blank" >RIV/00216208:11320/16:10321515 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.jeurceramsoc.2015.09.004" target="_blank" >http://dx.doi.org/10.1016/j.jeurceramsoc.2015.09.004</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jeurceramsoc.2015.09.004" target="_blank" >10.1016/j.jeurceramsoc.2015.09.004</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Study of microcracking in illite-based ceramics during firing

Popis výsledku v původním jazyce

Microcracking in illite-based ceramic bodies and its influence on their bulk properties were investigated by means of the acoustic emission (AE) technique during the cooling stage of firing up to different maximum temperatures (800-1200 degrees C). Because of the mismatch of the thermal expansion coefficients between the glassy phase and the quartz particles, radial microcracking around quartz grains began to occur at similar to 750 degrees C (temperature of glass transition). At similar to 573 degrees C, where ther beta -> alpha transformation of quartz takes place, a non-monotonic behavior of the Young's modulus and a temporary cessation of the AE activity occurred. Below this temperature, the AE signals appeared again, reflecting the formation of circumferential cracks around the particles. The presence of circumferential microcracks was also confirmed by the use of scanning electron microscopy.

Název v anglickém jazyce

Study of microcracking in illite-based ceramics during firing

Popis výsledku anglicky

Microcracking in illite-based ceramic bodies and its influence on their bulk properties were investigated by means of the acoustic emission (AE) technique during the cooling stage of firing up to different maximum temperatures (800-1200 degrees C). Because of the mismatch of the thermal expansion coefficients between the glassy phase and the quartz particles, radial microcracking around quartz grains began to occur at similar to 750 degrees C (temperature of glass transition). At similar to 573 degrees C, where ther beta -> alpha transformation of quartz takes place, a non-monotonic behavior of the Young's modulus and a temporary cessation of the AE activity occurred. Below this temperature, the AE signals appeared again, reflecting the formation of circumferential cracks around the particles. The presence of circumferential microcracks was also confirmed by the use of scanning electron microscopy.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

—

Projekt

<a href="/cs/project/GB14-36566G" target="_blank" >GB14-36566G: Multidisciplinární výzkumné centrum moderních materiálů</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2016

Kód důvěrnosti údajů

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

Název periodika

Journal of the European Ceramic Society

ISSN

0955-2219

e-ISSN

—

Svazek periodika

36

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

6

Strana od-do

221-226

Kód UT WoS článku

000364254700024

EID výsledku v databázi Scopus

2-s2.0-84944516589