Exploring the role of Ag foam interlayer in alleviating the brittleness of G018 glass sealant for joining YSZ to Mn–Co spinel coated Crofer 22 H

Jianwei Gao; Xiaoqing Si; Hanyue Ding; Xiaoyang Wang; Mushi Zheng; Chun Li; Junlei Qi; Jian Cao

Journal of Materials Research and Technology (Jan 2024)

Exploring the role of Ag foam interlayer in alleviating the brittleness of G018 glass sealant for joining YSZ to Mn–Co spinel coated Crofer 22 H

Jianwei Gao,
Xiaoqing Si,
Hanyue Ding,
Xiaoyang Wang,
Mushi Zheng,
Chun Li,
Junlei Qi,
Jian Cao

Affiliations

Jianwei Gao: State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, China
Xiaoqing Si: Corresponding author.; State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, China
Hanyue Ding: State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, China
Xiaoyang Wang: State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, China
Mushi Zheng: State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, China
Chun Li: State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, China
Junlei Qi: State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, China
Jian Cao: Corresponding author.; State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin, 150001, China

Journal volume & issue: Vol. 28
pp. 1 – 10

Abstract

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Glass/Glass-ceramic sealing is always accompanied by issues of high porosity and brittle joints. To migrate these problems, an Ag foam was innovatively induced as an interlayer in the process of glass sealing the yttria-stabilized zirconia (YSZ) ceramic to Mn–Co spinel-coated Crofer 22 H stainless steel. Interlayer-added joints showed a significant reduction in porosity, and the shear strength was improved to 52.3 MPa, with an enhancement of 37.8 %. The influence of interlayer on the microstructure of the joint has been investigated and the formation process of the joint is illustrated. The Ag interlayer expels gases from the sealant material through expansion at high temperatures and promotes finer nucleation grains of crystallites integrating with the interlayer, reducing the porosity and alleviating the brittleness as well.

Published in Journal of Materials Research and Technology

ISSN: 2238-7854 (Print); 2214-0697 (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Technology: Mining engineering. Metallurgy
Website: https://www.journals.elsevier.com/journal-of-materials-research-and-technology/

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