Process for lattice preparation of microcrystalline glass applied to 5G communication mobile terminals
A technology of glass-ceramics and mobile terminals, which is applied in glass manufacturing equipment, manufacturing tools, glass molding, etc., can solve problems such as no one involved, and achieve the effect of avoiding glass crystallization and reasonable temperature system
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Embodiment 1
[0035] A method for preparing glass-ceramics for 5G communication mobile terminals, the preparation process is as follows:
[0036]A. First, the raw materials are accurately weighed according to the material recipe, and the batches that are forced to mix evenly are put into the feeding pool at regular intervals and quantitatively. The ingredients are as follows: 50 parts of quartz sand, 10.5 parts of alumina, 15 parts of sodium carbonate, 2.5 parts of potassium nitrate, 2 parts of lithium carbonate, 9.5 parts of magnesium oxide, 3 parts of titanium oxide, 2.5 parts of zirconia, 4 parts of zinc oxide, 0.5 parts of rubidium, 0.25 parts of gallium oxide, and 0.25 parts of europium oxide.
[0037] B. The batch material in the melting pool is heated to 1525°C for melting, clarified, stirred and homogenized to obtain a high-quality defect-free molten glass.
[0038] C. Grating method forming: the above-mentioned molten glass is vertically drawn above the lead brick to form, and the...
Embodiment 2
[0044] A. First, the raw materials are accurately weighed according to the material recipe, and the batches that are forced to mix evenly are put into the feeding pool at regular intervals and quantitatively. The ingredients are as follows: 50 parts of quartz sand, 15.5 parts of alumina, 26.3 parts of sodium carbonate, 4.6 parts of potassium nitrate, 13.3 parts of magnesium oxide, and 4.45 parts of ammonium dihydrogen phosphate.
[0045] B. The batch material in the melting pool is heated to 1500°C for melting, clarified, stirred and homogenized to obtain a high-quality defect-free molten glass.
[0046] C. Grating method forming: the above-mentioned molten glass is vertically drawn above the lead brick to form, and the forming temperature is controlled to be 1000°C. , 18.5mm / s.
[0047] D. When the glass ribbon is cooled to 650°C, enter the annealing kiln for annealing, nucleate at 680°C for 2 hours, and crystallize at 800°C for 2 hours to obtain the original glass ceramics....
Embodiment 3
[0051] A. First, the raw materials are accurately weighed according to the material recipe, and the batches that are forced to mix evenly are put into the feeding pool at regular intervals and quantitatively. The ingredients are as follows: 48.2 parts of quartz sand, 20.6 parts of alumina, 24.5 parts of sodium carbonate, 2.3 parts of potassium nitrate, 10.6 parts of lithium carbonate, 7.5 parts of magnesium oxide, 2 parts of zirconia, 1.55 parts of ammonium dihydrogen phosphate, and 1 part of antimony oxide , 1 part of rubidium oxide.
[0052] B. The batch materials in the melting pool are heated to 1550°C for melting, clarified, stirred and homogenized to obtain a high-quality defect-free molten glass.
[0053] C. Grating method forming: the above-mentioned molten glass is vertically drawn above the leading brick to form, and the forming temperature is controlled to be 1016°C. Speed 20mm / s.
[0054] D. When the glass ribbon is cooled to 600°C, enter the annealing kiln for...
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