LionGlass™: A low‐melting, carbonate‐free alternative to soda lime silicate glass

Clark, Nicholas L.; Mancini, Matthew; Akman‐Ozay, Elif P.; Ozay, Mehmet Arda; Astle, Sierra R.; Becerra, Shaylee M.; Gallagher, Colleen; Suceava, Albert C.; Claireaux, Corinne; Verheijen, Oscar; Engelmann, Tomasz; Prange, Andreas; Roos, Christian; Cook, Glen B.; Gopalan, Venkatraman; Mauro, John C.

doi:10.1111/jace.70163

LionGlass™: A low‐melting, carbonate‐free alternative to soda lime silicate glass

Journal Article · Mon Aug 04 00:00:00 EDT 2025 · Journal of the American Ceramic Society

DOI:https://doi.org/10.1111/jace.70163· OSTI ID:2997553

Clark, Nicholas L. ^[1]; Mancini, Matthew ^[1]; Akman‐Ozay, Elif P. ^[1]; Ozay, Mehmet Arda ^[1]; Astle, Sierra R. ^[1]; Becerra, Shaylee M. ^[1]; Gallagher, Colleen ^[1]; Suceava, Albert C. ^[1]; Claireaux, Corinne ^[2]; Verheijen, Oscar ^[2]; Engelmann, Tomasz ^[3]; Prange, Andreas ^[3]; Roos, Christian ^[3]; Cook, Glen B. ^[1]; Gopalan, Venkatraman ^[1]; Mauro, John C. ^[1]

Pennsylvania State University, University Park, PA (United States)
CelSian, Eindhoven (The Netherlands)
RWTH Aachen University (Germany)

LionGlass™ is Penn State University's patent-pending alumino-silicophosphate glass compositional family that offers, for the first time, a viable low-melting, carbonate-free alternative to soda lime silicate glass by (a) lowering the melting temperature by up to 400°C compared to soda lime silicate glass and (b) eliminating the use of carbonate batch materials. The viscosity curve of LionGlass is shifted downward in temperature compared to soda lime silicate glass, enabling melting at much lower temperatures. LionGlass also has significantly improved resistance to crack initiation compared to soda lime silicate glass. Other properties, such as thermal expansion coefficient and optical dispersion curve, are comparable to those of traditional soda lime silicate glass.

View Accepted Manuscript (DOE)

Research Organization:: Pennsylvania State University, University Park, PA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: SC0021118

OSTI ID:: 2997553

Journal Information:: Journal of the American Ceramic Society, Journal Name: Journal of the American Ceramic Society Journal Issue: 12 Vol. 108; ISSN 0002-7820; ISSN 1551-2916

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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Related Subjects

Lion-Glass
alumino-silicophosphate
carbonate-free glass
glass
glass melting
low-melting glass
phosphate glass

LionGlass™: A low‐melting, carbonate‐free alternative to soda lime silicate glass

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