Conditions Extrêmes et Matériaux : Haute Température et Irradiation
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2018

ACL
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OpenAccess
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J.Deubener, M.Allix, Y.Brocheton, M.Comte, M.J.Davis, A.Duran, T.Höche, W.Höland, T.Honma, T.Komatsu, S.Krüger, I.Mitra, R.Müller, S.Nakane, M.J.Pascual, P.Pradeau, M.Rampf, J.W.Schmelzer, E.D.Zanotto, S.Zhou, 'Updated definition of glass-ceramics', J. Non-Cryst. Solids 501 3-10 (2018) doi:10.1016/j.jnoncrysol.2018.01.033

Glass-ceramics are noted for their unusual combination of properties and manifold commercialized products for consumer and specialized markets. Evolution of novel glass and ceramic processing routes, a plethora of new compositions, and novel exotic nano- and microstructures over the past 60 years led us to review the definition of glass-ceramics. Well-established and emerging processing methods, such as co-firing, additive manufacturing, and laser patterning are analyzed with respect to the core requirements of processing glass-ceramics and the performance of the final products. In this communication, we propose a revised, updated definition of glass-ceramics, which reads "Glassceramics are inorganic, non-metallic materials prepared by controlled crystallization of glasses via different processing methods. They contain at least one type of functional crystalline phase and a residual glass. The volume fraction crystallized may vary from ppm to almost 100%