期刊
INTERNATIONAL JOURNAL OF APPLIED GLASS SCIENCE
卷 13, 期 4, 页码 684-694出版社
WILEY PERIODICALS, INC
DOI: 10.1111/ijag.16578
关键词
3D printing; FDM; glass sealant; PCL; SOFC
资金
- Russian Science Foundation [21-79-30051]
- Ministry of Science and Higher Education of the Russian Federation [075-15-2021-680]
- Russian Science Foundation [21-79-30051] Funding Source: Russian Science Foundation
This study tests the applicability of 3D printing technology in manufacturing glass sealants and finds the suitable composition of a glass-filled polymer compound for printing tubular SOFCs.
The creation of gas-tight connections in solid oxide fuel cells (SOFCs) requires finding a suitable glass sealant composition and developing high-tech approaches to sealant molding. 3D printing has been used successfully to mold SOFC functional materials (anode, electrolyte), and this study tests its applicability to glass sealant printing. We have found the composition of the glass-filled polymer compound to print glass sealants for tubular SOFCs: the polycaprolactone/filler ratio is 60/40 wt%. Silica has been shown to be a good model filler to polish the 3D printing technology. Polymer decomposition during sealing leads to the formation of voids and seal failure, which indicates that the filler content of 40 wt % is insufficient for such purposes.
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