Effect of residual stresses to the crack path in alumina/zirconia laminates

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F20%3A00531649" target="_blank" >RIV/68081723:_____/20:00531649 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216305:26620/20:PU136991

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0955221920305148?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0955221920305148?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.jeurceramsoc.2020.06.044" target="_blank" >10.1016/j.jeurceramsoc.2020.06.044</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Effect of residual stresses to the crack path in alumina/zirconia laminates

Popis výsledku v původním jazyce

Laminates with alternating layers are well known from nature. The strongly bonded alumina/zirconia (Al2O3/nZrO2) layers can combine high fracture resistance with high strength and stiffness when properly tailored. Thenpresence of compressive residual stresses formed in Al2O3 layers can suppress and deflect cracks propagatingnthrough the layers. The crack path is governed by both the elastic properties and the internal stress field ofnindividual layers. The laminates with various layer-thickness ratios ranging from 0.1 to 3 were used to investigatenthe effect of residual stresses and influence of crack formation pattern on the crack path development.nThe indentation surface cracks observed in various alumina-zirconia laminates exhibit the same crack deflectionnindependently on the level of internal stresses. The crack deflection observed on the fracture surfaces of bendingnspecimens was related to the indentations cracks. The complicated crack path was explained experimentally byn3D reconstruction with the support of numerical simulations.

Název v anglickém jazyce

Effect of residual stresses to the crack path in alumina/zirconia laminates

Popis výsledku anglicky

Laminates with alternating layers are well known from nature. The strongly bonded alumina/zirconia (Al2O3/nZrO2) layers can combine high fracture resistance with high strength and stiffness when properly tailored. Thenpresence of compressive residual stresses formed in Al2O3 layers can suppress and deflect cracks propagatingnthrough the layers. The crack path is governed by both the elastic properties and the internal stress field ofnindividual layers. The laminates with various layer-thickness ratios ranging from 0.1 to 3 were used to investigatenthe effect of residual stresses and influence of crack formation pattern on the crack path development.nThe indentation surface cracks observed in various alumina-zirconia laminates exhibit the same crack deflectionnindependently on the level of internal stresses. The crack deflection observed on the fracture surfaces of bendingnspecimens was related to the indentations cracks. The complicated crack path was explained experimentally byn3D reconstruction with the support of numerical simulations.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20504 - Ceramics

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2020

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

40

Číslo periodika v rámci svazku

15

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

9

Strana od-do

5810-5818

Kód UT WoS článku

000564730300001

EID výsledku v databázi Scopus

2-s2.0-85087084006