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AssigneeHunan Jingci New Materials Co., Ltd.
InventorsYongbo HU, Bin WANG
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A high-strength, highly transparent nano-glass-ceramic, a preparation method therefor, and a use thereof. The high-strength, highly transparent nano-glass-ceramic uses precursor minerals mainly comprising synthetic aluminum-rich feldspar-like ceramic glass material, β-spodumene material, cordierite material, synthetic β-dicalcium silicate material, and magnesium aluminum spinel material for the main body of a feldspar-like matrix glass having a stable structure. Ultrafine zirconia powder having a particle size of less than 10 nm is used as a nucleating agent and microcrack damping and pinning agent, to control the formation of nanocrystallites smaller than 100 nm in the glass body formed after melting. The volume percentage content of the nanocrystallites is 50%-95%, and the nanocrystallites together with the matrix glass form a high-strength, highly transparent nano-glass-ceramic having a uniform microstructure.
High-strength highly transparent nano-glass-ceramic, wherein precursor mineral materials comprise a synthetic aluminum-rich feldspar type ceramic glass material, a β-spodumene or β-spodumene solid solution material, a cordierite material, a synthetic β-dicalcium silicate material, and a magnesia-alumina spinel material is employed as a main body of feldspar type matrix glass with a stable structure, zirconia micropowder with a particle size of less than 10 nm is used as a nucleating agent and a microcrack damping pinning agent to control the formation of nanocrystallites of less than 100 nm in a glass body formed after melting, the nanocrystallites is present in an amount of 50-95% by volume, and is intergrown with the matrix glass to form high-strength highly transparent nano-glass-ceramic with a uniform microstructure.
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