In situ characterization of delamination and crack growth of a CGO–LSM multi-layer ceramic sample investigated by X-ray tomographic microscopy

Rasmus Bjørk, Vincenzo Esposito, Erik Mejdal Lauridsen, Peter Stanley Jørgensen, J.L. Fife, Kjeld Bøhm Andersen, Søren Preben Vagn Foghmoes, Nini Pryds

Research output: Contribution to journalJournal articleResearchpeer-review

230 Downloads (Pure)

Abstract

The densification, delamination and crack growth behavior in a Ce0.9Gd0.1O1.95 (CGO) and (La0.85Sr0.15)0.9MnO3 (LSM) multi-layer ceramic sample was studied using in situ X-ray tomographic microscopy (microtomography) to investigate the critical dynamics of crack propagation and delamination in a multilayered sample. Naturally occurring defects, caused by the sample preparation process, are shown not to be critical in sample degradation. Instead defects are nucleated during the debinding step. Crack growth is significantly faster along the material layers than perpendicular to them, and crack growth and delamination only accelerates when sintering occurs.
Original languageEnglish
JournalJournal of the European Ceramic Society
Volume34
Issue number12
Pages (from-to)3019-3025
ISSN0955-2219
DOIs
Publication statusPublished - 2014

Keywords

  • Sintering
  • Tomography
  • Multi-layer
  • Crack growth
  • Delamination

Cite this

@article{3da3c620762a4639a7a52ed1fbfdfb9a,
title = "In situ characterization of delamination and crack growth of a CGO–LSM multi-layer ceramic sample investigated by X-ray tomographic microscopy",
abstract = "The densification, delamination and crack growth behavior in a Ce0.9Gd0.1O1.95 (CGO) and (La0.85Sr0.15)0.9MnO3 (LSM) multi-layer ceramic sample was studied using in situ X-ray tomographic microscopy (microtomography) to investigate the critical dynamics of crack propagation and delamination in a multilayered sample. Naturally occurring defects, caused by the sample preparation process, are shown not to be critical in sample degradation. Instead defects are nucleated during the debinding step. Crack growth is significantly faster along the material layers than perpendicular to them, and crack growth and delamination only accelerates when sintering occurs.",
keywords = "Sintering, Tomography, Multi-layer, Crack growth, Delamination",
author = "Rasmus Bj{\o}rk and Vincenzo Esposito and Lauridsen, {Erik Mejdal} and J{\o}rgensen, {Peter Stanley} and J.L. Fife and Andersen, {Kjeld B{\o}hm} and Foghmoes, {S{\o}ren Preben Vagn} and Nini Pryds",
year = "2014",
doi = "10.1016/j.jeurceramsoc.2014.04.029",
language = "English",
volume = "34",
pages = "3019--3025",
journal = "Journal of the European Ceramic Society",
issn = "0955-2219",
publisher = "Elsevier",
number = "12",

}

In situ characterization of delamination and crack growth of a CGO–LSM multi-layer ceramic sample investigated by X-ray tomographic microscopy. / Bjørk, Rasmus; Esposito, Vincenzo; Lauridsen, Erik Mejdal; Jørgensen, Peter Stanley; Fife, J.L.; Andersen, Kjeld Bøhm; Foghmoes, Søren Preben Vagn; Pryds, Nini.

In: Journal of the European Ceramic Society, Vol. 34, No. 12, 2014, p. 3019-3025.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - In situ characterization of delamination and crack growth of a CGO–LSM multi-layer ceramic sample investigated by X-ray tomographic microscopy

AU - Bjørk, Rasmus

AU - Esposito, Vincenzo

AU - Lauridsen, Erik Mejdal

AU - Jørgensen, Peter Stanley

AU - Fife, J.L.

AU - Andersen, Kjeld Bøhm

AU - Foghmoes, Søren Preben Vagn

AU - Pryds, Nini

PY - 2014

Y1 - 2014

N2 - The densification, delamination and crack growth behavior in a Ce0.9Gd0.1O1.95 (CGO) and (La0.85Sr0.15)0.9MnO3 (LSM) multi-layer ceramic sample was studied using in situ X-ray tomographic microscopy (microtomography) to investigate the critical dynamics of crack propagation and delamination in a multilayered sample. Naturally occurring defects, caused by the sample preparation process, are shown not to be critical in sample degradation. Instead defects are nucleated during the debinding step. Crack growth is significantly faster along the material layers than perpendicular to them, and crack growth and delamination only accelerates when sintering occurs.

AB - The densification, delamination and crack growth behavior in a Ce0.9Gd0.1O1.95 (CGO) and (La0.85Sr0.15)0.9MnO3 (LSM) multi-layer ceramic sample was studied using in situ X-ray tomographic microscopy (microtomography) to investigate the critical dynamics of crack propagation and delamination in a multilayered sample. Naturally occurring defects, caused by the sample preparation process, are shown not to be critical in sample degradation. Instead defects are nucleated during the debinding step. Crack growth is significantly faster along the material layers than perpendicular to them, and crack growth and delamination only accelerates when sintering occurs.

KW - Sintering

KW - Tomography

KW - Multi-layer

KW - Crack growth

KW - Delamination

U2 - 10.1016/j.jeurceramsoc.2014.04.029

DO - 10.1016/j.jeurceramsoc.2014.04.029

M3 - Journal article

VL - 34

SP - 3019

EP - 3025

JO - Journal of the European Ceramic Society

JF - Journal of the European Ceramic Society

SN - 0955-2219

IS - 12

ER -