Residual stress generation during constrained sintering of layered ceramic thin film structures

E. P. Busso; R. P. Travis; L. Chandra

Residual stress generation during constrained sintering of layered ceramic thin film structures

E. P. Busso^*
, R. P. Travis
, L. Chandra

^*Corresponding author for this work

Imperial College London

Research output: Contribution to journal › Conference article › peer-review

5 Scopus citations

Abstract

This work investigates the sintering kinetics and residual stresses which develop in thin layered ceramic structures when sintered on a rigid substrate. A continuum constitutive framework to model the evolution of the microstructure and stresses in the sintering layers under non-isothermal conditions is presented. The sintering model is used to investigate the constrained sintering behaviour of layered ceramic structures used in solid oxide fuel cells (SOFC). Samples of a 50 μm thick SOFC film were screen-printed on a fully dense yttria-stabilized zirconia substrate and then sintered at temperatures ranging from 1100 °C to 1300 °C. Measured values of relative density and average grain size are compared with model predictions. A correlation between residual stresses extracted from curvature measurements and analytical predictions revealed these stresses to have been mostly relieved during the subsequent cooling by microcrack formation.

Original language	English
Pages (from-to)	547-552
Number of pages	6
Journal	Materials Research Society Symposium - Proceedings
Volume	505
State	Published - 1998
Externally published	Yes
Event	Proceedings of the 1997 MRS Fall Meeting - Boston, MA, USA Duration: 30 Nov 1997 → 4 Dec 1997

Cite this

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title = "Residual stress generation during constrained sintering of layered ceramic thin film structures",

abstract = "This work investigates the sintering kinetics and residual stresses which develop in thin layered ceramic structures when sintered on a rigid substrate. A continuum constitutive framework to model the evolution of the microstructure and stresses in the sintering layers under non-isothermal conditions is presented. The sintering model is used to investigate the constrained sintering behaviour of layered ceramic structures used in solid oxide fuel cells (SOFC). Samples of a 50 μm thick SOFC film were screen-printed on a fully dense yttria-stabilized zirconia substrate and then sintered at temperatures ranging from 1100 °C to 1300 °C. Measured values of relative density and average grain size are compared with model predictions. A correlation between residual stresses extracted from curvature measurements and analytical predictions revealed these stresses to have been mostly relieved during the subsequent cooling by microcrack formation.",

author = "Busso, \{E. P.\} and Travis, \{R. P.\} and L. Chandra",

year = "1998",

language = "英语",

volume = "505",

pages = "547--552",

journal = "Materials Research Society Symposium - Proceedings",

issn = "0272-9172",

publisher = "Springer Nature",

note = "Proceedings of the 1997 MRS Fall Meeting ; Conference date: 30-11-1997 Through 04-12-1997",

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T1 - Residual stress generation during constrained sintering of layered ceramic thin film structures

AU - Busso, E. P.

AU - Travis, R. P.

AU - Chandra, L.

PY - 1998

Y1 - 1998

N2 - This work investigates the sintering kinetics and residual stresses which develop in thin layered ceramic structures when sintered on a rigid substrate. A continuum constitutive framework to model the evolution of the microstructure and stresses in the sintering layers under non-isothermal conditions is presented. The sintering model is used to investigate the constrained sintering behaviour of layered ceramic structures used in solid oxide fuel cells (SOFC). Samples of a 50 μm thick SOFC film were screen-printed on a fully dense yttria-stabilized zirconia substrate and then sintered at temperatures ranging from 1100 °C to 1300 °C. Measured values of relative density and average grain size are compared with model predictions. A correlation between residual stresses extracted from curvature measurements and analytical predictions revealed these stresses to have been mostly relieved during the subsequent cooling by microcrack formation.

AB - This work investigates the sintering kinetics and residual stresses which develop in thin layered ceramic structures when sintered on a rigid substrate. A continuum constitutive framework to model the evolution of the microstructure and stresses in the sintering layers under non-isothermal conditions is presented. The sintering model is used to investigate the constrained sintering behaviour of layered ceramic structures used in solid oxide fuel cells (SOFC). Samples of a 50 μm thick SOFC film were screen-printed on a fully dense yttria-stabilized zirconia substrate and then sintered at temperatures ranging from 1100 °C to 1300 °C. Measured values of relative density and average grain size are compared with model predictions. A correlation between residual stresses extracted from curvature measurements and analytical predictions revealed these stresses to have been mostly relieved during the subsequent cooling by microcrack formation.

UR - https://www.scopus.com/pages/publications/0031621125

M3 - 会议文章

AN - SCOPUS:0031621125

SN - 0272-9172

VL - 505

SP - 547

EP - 552

JO - Materials Research Society Symposium - Proceedings

JF - Materials Research Society Symposium - Proceedings

T2 - Proceedings of the 1997 MRS Fall Meeting

Y2 - 30 November 1997 through 4 December 1997

ER -

Residual stress generation during constrained sintering of layered ceramic thin film structures

Abstract

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