Stereology of dense polycrystalline materials-from interface density and mean curvature integral density to Rayleigh distributions of grain sizes

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F16%3A43901945" target="_blank" >RIV/60461373:22310/16:43901945 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.jeurceramsoc.2015.12.053" target="_blank" >http://dx.doi.org/10.1016/j.jeurceramsoc.2015.12.053</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jeurceramsoc.2015.12.053" target="_blank" >10.1016/j.jeurceramsoc.2015.12.053</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Stereology of dense polycrystalline materials-from interface density and mean curvature integral density to Rayleigh distributions of grain sizes

Popis výsledku v původním jazyce

Using transparent yttrium-aluminum garnet (YAG) as an example, the microstructure of dense poly-crystalline ceramics is investigated by microscopic image analysis. The mean chord length and Jeffries grain size determined via stereological relations are 9.9-113 mu m and 19.0-21.3 mu m after 2 h and 16 h of firing at 1735 degrees C, respectively. Distributions of grain size sections are determined via image analysis and transformed via Saltykov, Cruz-Orive and Woodhead transformations. None of the weighted means or deciles of these distributions corresponds to the mean chord length or Jeffries size exactly, but the distributions of 2D grain size sections are almost identical to the 3D grain size distributions obtained after transformation, which is possible only for Rayleigh distributions. It is shown that the grain size distributions determined here are indeed close to Rayleigh distributions that evidently arise as a result of certain grain growth and ripening processes (Ostwald ripening).

Název v anglickém jazyce

Stereology of dense polycrystalline materials-from interface density and mean curvature integral density to Rayleigh distributions of grain sizes

Popis výsledku anglicky

Using transparent yttrium-aluminum garnet (YAG) as an example, the microstructure of dense poly-crystalline ceramics is investigated by microscopic image analysis. The mean chord length and Jeffries grain size determined via stereological relations are 9.9-113 mu m and 19.0-21.3 mu m after 2 h and 16 h of firing at 1735 degrees C, respectively. Distributions of grain size sections are determined via image analysis and transformed via Saltykov, Cruz-Orive and Woodhead transformations. None of the weighted means or deciles of these distributions corresponds to the mean chord length or Jeffries size exactly, but the distributions of 2D grain size sections are almost identical to the 3D grain size distributions obtained after transformation, which is possible only for Rayleigh distributions. It is shown that the grain size distributions determined here are indeed close to Rayleigh distributions that evidently arise as a result of certain grain growth and ripening processes (Ostwald ripening).

Druh

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

CEP obor

JH - Keramika, žáruvzdorné materiály a skla

OECD FORD obor

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Projekt

<a href="/cs/project/GA15-18513S" target="_blank" >GA15-18513S: Příprava a charakterizace oxidové a silikátové keramiky s řízenou mikrostrukturou a modelování souvislostí mezi mikrostrukturou a vlastnostmi</a><br>

Návaznosti

S - Specificky vyzkum na vysokych skolach

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

9

Stát vydavatele periodika

BE - Belgické království

Počet stran výsledku

10

Strana od-do

2319-2328

Kód UT WoS článku

000375165100020

EID výsledku v databázi Scopus

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