Creep rupture of the joint of a solid oxide fuel cell glass-ceramic sealant with metallic interconnect

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Title:	Creep rupture of the joint of a solid oxide fuel cell glass-ceramic sealant with metallic interconnect
Authors:	林志光;Lin, Chih-Kuang;Lin, Kun-Liang;Yeh, Jing-Hong;Wu, Si-Han;Lee, Ruey-Yi
Contributors:	工學院機械工程學系
Keywords:	Applied sciences;Building materials. Ceramics. Glasses;Chemical industry and chemicals;Direct energy conversion and energy accumulation;Electrical engineering. Electrical power engineering;Electrical power engineering;Electrochemical conversion: primary and secondary batteries, fuel cells;Electronics;Energy;Energy. Thermal use of fuels;Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc;Exact sciences and technology;Fuel cells;Glass-ceramics;Glasses;Microelectronic fabrication (materials and surfaces technology);Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Date:	2014-01-01
Issue Date:	2026-04-23 14:54:44 (UTC+8)
Publisher:	Elsevier;Amsterdam: Elsevier
Abstract:	摘要： Creep properties of sandwich joint specimens made of a newly developed BaO-B sub(2)O sub(3)-Al sub(2)O sub(3)-SiO sub(2) glass-ceramic sealant (GC-9) and a ferritic-stainless-steel interconnect (Crofer 22 H) for planar solid oxide fuel cells (pSOFCs) are investigated at 800 degree C under constant shear and tensile loadings. The creep rupture time of Crofer 22 H/GC-9/Crofer 22 H joint specimens is increased with a decrease in applied load for both shear and tensile loading modes. The given metal/sealant/metal joint has a greater degradation of joint strength at 800 degree C under prolonged, constant tensile loading as compared to shear loading. The tensile creep strength at a rupture time of 1000 h is about 9% of the average tensile joint strength, while the shear creep strength at 1000 h is about 23% of the average shear joint strength. Failure patterns of both shear and tensile joint specimens are similar regardless of the creep rupture time. In general, creep cracks initiate at the interface between the (Cr,Mn) sub(3)O sub(4) spinel layer and the BaCrO sub(4) chromate layer, penetrate through the BaCrO sub(4) layer, and propagate along the interface between the chromate layer and glass-ceramic substrate until final fracture. Final, fast fracture occasionally takes place within the glass-ceramic layer. 出版者： Amsterdam: Elsevier 出版日期： 2014-01 出處： Journal of power sources, 2014-01, Vol.245, p.787-795 資源來源： Elsevier ScienceDirect Journals Complete 版權： 2015 INIST-CNRS 識別號： ISSN: 0378-7753 識別號： DOI: 10.1016/j.jpowsour.2013.07.047 識別號： CODEN: JPSODZ
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