CN102992626A - Preparation method of Li, Mg, Al and Si glass ceramic foundation powder - Google Patents
Preparation method of Li, Mg, Al and Si glass ceramic foundation powder Download PDFInfo
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- CN102992626A CN102992626A CN2012104910986A CN201210491098A CN102992626A CN 102992626 A CN102992626 A CN 102992626A CN 2012104910986 A CN2012104910986 A CN 2012104910986A CN 201210491098 A CN201210491098 A CN 201210491098A CN 102992626 A CN102992626 A CN 102992626A
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Abstract
The invention relates to a preparation method of glass ceramic foundation powder, and in particular relates to a preparation method of Li, Mg, Al and Si glass ceramic foundation powder. Main raw materials comprise 55-65% of silicon dioxide, 12-18% of aluminium sesquioxide, 5-6% of lithium oxide, 1-3% of chromic oxide, 5-7% of magnesium fluoride, 3-4% of zirconium oxide and 0.3-0.6% of antimony oxide; and the preparation method comprises that the raw materials are mixed and then heated, and then water quenching and smashing are carried out, so that the glass ceramic foundation powder is obtained. The Li, Mg, Al and Si glass ceramic foundation powder provided by the invention has the advantages that glass liquid after melting is clear, viscosity is low and crystal growth rate is increased.
Description
Technical field
The present invention relates to a kind of preparation method of devitrified glass basic powder, be specially lithium magnalium silicon devitrified glass basic powder preparation method.
Background technology
The characteristics such as lithium magnalium silicon devitrified glass has that thermal expansivity is low, dimensional stability is high, heat shock resistance and chemical stability are good, but in the heat treatment process of lithium magnalium silicon crystallite parent glass powder, glass precursor solution viscosity is large, crystalline growth velocity is slower.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of lithium magnalium silicon devitrified glass basic powder preparation method that can reduce glass viscosity, improve crystalline growth velocity, concrete technical scheme is:
(1) takes by weighing raw material according to following weight percent prescription and mix, silicon-dioxide 55-65%, aluminium sesquioxide 12-18%, Lithium Oxide 98min 5-6%, chromic oxide 1-3%, magnesium fluoride 5-7%, zirconium white 3-4%, weisspiessglanz 0.3-0.6%;
(2) above-mentioned raw materials is heated to 1450 ℃ after mixing in crucible, and is incubated 2 hours;
(3) glass precursor solution is poured into carried out shrend in the water quenching pool and become glass particle;
(4) ball milling is 1 hour, and dry rear 200 mesh sieves of crossing namely get lithium magnalium silicon devitrified glass basic powder.
The optimization formula ratio is: silicon-dioxide 61%, aluminium sesquioxide 16.3%, Lithium Oxide 98min 5.5%, chromic oxide 2.0%, magnesium fluoride 6.5%, zirconium white 3.2%, weisspiessglanz 0.5%.
Lithium magnalium silicon devitrified glass basic powder provided by the invention, glass precursor solution clarification and viscosity are little after the fusing, and optimum treatment condition is: 786 degrees centigrade of crystallization temperatures, and reduced temperature of fusion, improved crystalline growth velocity.
Embodiment
Lithium magnalium silicon devitrified glass basic powder preparation method, concrete technical scheme is:
(1) taking by weighing raw material according to following weight percent prescription mixes:
Silicon-dioxide 61%, aluminium sesquioxide 16.3%, Lithium Oxide 98min 5.5%, chromic oxide 2.0%, magnesium fluoride 6.5%, zirconium white 3.2%, weisspiessglanz 0.5%;
(2) in crucible, be heated to 1450 ℃ take heat-up rate as 10 ℃/minute after above-mentioned raw materials mixes, and be incubated 2 hours;
(3) glass precursor solution is poured into carried out shrend in the water quenching pool and become glass particle;
(4) ball milling is 1 hour, and dry rear 200 mesh sieves of crossing namely get lithium magnalium silicon devitrified glass basic powder.
This parent glass powder is warming up to rapidly 786 degrees centigrade of crystallization temperatures take heat-up rate as 10 ℃/minute speed, and is incubated 2 hours, separate out bar-shaped β-triphane sosoloid crystalline phase under this condition, crystal length is 2-5 μ m, and length-to-diameter ratio is larger.
Claims (2)
1. lithium magnalium silicon devitrified glass basic powder preparation method is characterized in that: may further comprise the steps,
(1) takes by weighing raw material according to following weight percent prescription and mix, silicon-dioxide 55-65%, aluminium sesquioxide 12-18%, Lithium Oxide 98min 5-6%, chromic oxide 1-3%, magnesium fluoride 5-7%, zirconium white 3-4%, weisspiessglanz 0.3-0.6%;
(2) above-mentioned raw materials is heated to 1450 ℃ after mixing in crucible, and is incubated 2 hours;
(3) glass precursor solution is poured into carried out shrend in the water quenching pool and become glass particle;
(4) ball milling is 1 hour, and dry rear 200 mesh sieves of crossing namely get lithium magnalium silicon devitrified glass basic powder.
2. lithium magnalium silicon devitrified glass basic powder preparation method according to claim 1, it is characterized in that: described prescription is silicon-dioxide 61%, aluminium sesquioxide 16.3%, Lithium Oxide 98min 5.5%, chromic oxide 2.0%, magnesium fluoride 6.5%, zirconium white 3.2%, weisspiessglanz 0.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104910986A CN102992626A (en) | 2012-11-28 | 2012-11-28 | Preparation method of Li, Mg, Al and Si glass ceramic foundation powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104910986A CN102992626A (en) | 2012-11-28 | 2012-11-28 | Preparation method of Li, Mg, Al and Si glass ceramic foundation powder |
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| Publication Number | Publication Date |
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| CN102992626A true CN102992626A (en) | 2013-03-27 |
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| CN2012104910986A Pending CN102992626A (en) | 2012-11-28 | 2012-11-28 | Preparation method of Li, Mg, Al and Si glass ceramic foundation powder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9850172B2 (en) | 2014-10-23 | 2017-12-26 | Industrial Technology Research Institute | Ceramic powder, method of manufacturing the same, and method for laser sinter molding |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3715196A (en) * | 1970-09-02 | 1973-02-06 | Corning Glass Works | Low-expansion glass-ceramic cementing method |
| CN1087067A (en) * | 1992-11-18 | 1994-05-25 | 大连理工大学 | Utilize flyash to make building nucleated glass |
| WO2005009916A1 (en) * | 2003-07-28 | 2005-02-03 | Kabushiki Kaisha Ohara | Negative thermal expansion glass ceramic |
-
2012
- 2012-11-28 CN CN2012104910986A patent/CN102992626A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3715196A (en) * | 1970-09-02 | 1973-02-06 | Corning Glass Works | Low-expansion glass-ceramic cementing method |
| CN1087067A (en) * | 1992-11-18 | 1994-05-25 | 大连理工大学 | Utilize flyash to make building nucleated glass |
| WO2005009916A1 (en) * | 2003-07-28 | 2005-02-03 | Kabushiki Kaisha Ohara | Negative thermal expansion glass ceramic |
Non-Patent Citations (1)
| Title |
|---|
| 周曦亚等: "含F-锂镁铝硅微晶玻璃的制备及晶化行为的研究", 《材料导报》, no. 1, 25 November 2009 (2009-11-25) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9850172B2 (en) | 2014-10-23 | 2017-12-26 | Industrial Technology Research Institute | Ceramic powder, method of manufacturing the same, and method for laser sinter molding |
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Application publication date: 20130327 |