Determination of the bonding strength in solid oxide fuel cells' interfaces by Schwickerath crack initiation test

被引：18

作者：

Boccaccini, D. N. ^{[1
]}

Sevecek, O. ^{[2
]}

Frandsen, H. L. ^{[1
]}

Dlouhy, I. ^{[3
]}

Molin, S. ^{[1
]}

Charlas, B. ^{[1
]}

Hjelm, J. ^{[1
]}

Cannio, M. ^{[4
]}

Hendriksen, P. V. ^{[1
]}

机构：

[1] Tech Univ Denmark, Dept Energy Convers & Storage, Frederiksborgvej 399, DK-4000 Roskilde, Denmark

[2] Brno Univ Technol, Inst Solid Mech Mechatron & Biomech, Tech 2, Brno 61669, Czech Republic

[3] Acad Sci Czech Republ, Inst Phys Mat, Zizkova 22, Brno 61662, Czech Republic

[4] Univ Modena & Reggio Emilia, Dipartimento Ingn Enzo Ferrari, Via Vivarelli 10, I-41125 Modena, Italy

来源：

JOURNAL OF THE EUROPEAN CERAMIC SOCIETY | 2017年 / 37卷 / 11期

关键词：

Schwickerath crack-initiation test; Three-point bending test; SOFC interfaces; Metal-ceramic bond strength; THERMAL-EXPANSION; PERFORMANCE;

D O I：

10.1016/j.jeurceramsoc.2017.04.018

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

An adaptation of the Schwickerath crack initiation test (ISO 9693) was used to determine the bonding strength between an anode support and three different cathodes with a solid oxide fuel cell interconnect. Interfacial elemental characterization of the interfaces was carried out by SEM/EDS analysis on fracture surfaces to investigate the bonding mechanisms. SEM/EDS of fresh fractures were also performed to determine the cohesion/adhesion mechanism of bonding. Calculations of the residual stresses were determined by finite element simulation using ANSYS, based on thermo-mechanical properties of the materials obtained by measurement, calculation or literature. (C) 2017 Elsevier Ltd. All rights reserved.

引用

页码：3565 / 3578

页数：14

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