CN1785871A - Glass ceramic containing phosphorus lithium aluminium silicon and its preparation method - Google Patents

Glass ceramic containing phosphorus lithium aluminium silicon and its preparation method Download PDF

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Publication number
CN1785871A
CN1785871A CN 200510061302 CN200510061302A CN1785871A CN 1785871 A CN1785871 A CN 1785871A CN 200510061302 CN200510061302 CN 200510061302 CN 200510061302 A CN200510061302 A CN 200510061302A CN 1785871 A CN1785871 A CN 1785871A
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Prior art keywords
oxide
glass
ceramic
lithium aluminium
containing phosphorus
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CN 200510061302
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CN100352782C (en
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郭兴忠
陈明形
潘颐
韩陈
宋芳芳
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Zhejiang University ZJU
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Zhejiang University ZJU
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    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00Glass compositions
    • C03C3/04Glass compositions containing silica
    • C03C3/076Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/097Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum

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  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

The present invention discloses a glass ceramic containing phosphorus, lithium, aluminium and silicone. Its composition contains: (by wt%) 70% of silicone dioxide, 4% of lithium oxide, 15% of aluminium oxide, 0.9%-1% of magnesium oxide, 1%-1.1% of zinc oxide, 0.4%-0.5% of calcium oxide, 0.2% of boron oxide, 1.8%-3.2% of titanium oxide, 2.0%-2.3% of zirconium oxide, 2%-2.1% of mixture of potassium oxide and sodium oxide, 0.1%-1.6% of phosphorus pentoxide and 0.8% of mixture of arsenium oxide and antimony oxide. Its preparation method includes the following steps: grinding all the above-mentioned components, uniformly mixing them to obtain mixed material, melting at 1550-1650deg.C, forming, annealing, nucleating for 1-4hr at 600-800deg.C, then heating to 700-1000deg.C, crystallizing for 1-12hr so as to obtain the invented product.

Description

A kind of glass ceramic containing phosphorus lithium aluminium silicon and preparation method thereof
Technical field
The present invention relates to a kind of glass-ceramic and preparation method thereof, specifically, glass-ceramic of particularly phosphorous lithium aluminium silicon and preparation method thereof.
Background technology
Glass-ceramic is the polycrystalline solid material that is made by LAS glass control crystallization, wherein lithium aluminium silicon series (Li 2O-Al 2O 3-SiO 2Be called for short LAS) be main a kind of glass-ceramic, because of it has super-low expansion, high strength, high thermal shock resistance, and be widely used in making astronomical telescope, cooker, tableware, electromagnetic oven panel, high temperature electric light source glass, microelectronics with substrate, laboratory with heating appliances, high-temperature heat exchanger, for goods such as silica glass, window pyrometer, radome.
About described lithium aluminium silicon series glass-ceramic, in each communiques such as publication number CN 1306946A, 1495144A, 1054957A, 1607191A, 1333194A, 1005710B, 1486947A, 1054957A, 1597586A, the patent No. 97104801.0, lithium aluminium silicon series glass-ceramic and manufacture method thereof are disclosed.
The nucleus agent of lithium aluminium silicon series glass-ceramic at present is mainly TiO 2, in lithium aluminosilicate glass system, TiO 2Bigger solubleness is arranged in glass, and solubilized reaches 20% or higher; In addition, also help to reduce the viscosity of glass, promote the fusing of glass, make glass be easy to crystallization.But work as TiO 2When massfraction is excessive, may produce thick crystal grain, and the thermal expansivity of devitrified glass is increased; And TiO 2Can make the color yellowing of glass-ceramic, cause the color and luster quality to reduce.
Employing TiO is also arranged 2And ZrO 2As mixing the nucleus agent, result of study finds, has the physical strength of thinner crystal particle scale and Geng Gao than single with any prepared glass-ceramic in two kinds, but owing to ZrO 2Fusing point is very high, and the solubleness in glass is not high, makes it limited as the effect that improves forming core.
In recent years, the adding fluorochemical is arranged also, with it as nucleus agent or nucleus growth promotor, promote coring, the crystallization process of glass, can significantly reduce the recrystallization temperature and the crystallization power of glass, but also cause the too fast growth of crystal grain easily, and influence the structure and the performance of glass-ceramic.
P 2O 5Owing to have and from silicate network, to isolate the characteristic of phosphoric acid salt group, thereby can be used as the nucleus agent, be used as Li 2O-ZnO-SiO 2, Li 2O-PbO-SiO 2Deng the nucleus agent of glass system, also be used for the preparation of hydroxyapatite devitrified glass as nucleus agent and main composition.
Summary of the invention
At the deficiencies in the prior art part, the invention provides and a kind ofly can realize that grain-size reaches nano level, and the glass ceramic containing phosphorus lithium aluminium silicon that thermal expansivity is low, physical strength is high and preparation method thereof.
The present invention is to realize by such technical scheme for reaching above purpose: a kind of glass ceramic containing phosphorus lithium aluminium silicon is provided, and the weight percent of this glass-ceramic consists of: SiO 2(silicon-dioxide) 70%, Li 2O (Lithium Oxide 98min) 4%, Al 2O 3(aluminum oxide) 15%, MgO (magnesium oxide) 0.9%-1%, ZnO (zinc oxide) 1%-1.1%, CaO (calcium oxide) 0.4%-0.5%, B 2O 3(boron oxide) 0.2%, TiO 2(titanium oxide) 1.8%-3.2%, ZrO 2(zirconium white) 2.0%-2.3%, K 2O+Na 2O (mixture of potassium oxide and sodium oxide) 2%-2.1%, P 2O 5(five phosphorus oxide) 0.1%-1.6% and As 2O 3+ Sb 2O 3(mixture of arsenic oxide arsenoxide and weisspiessglanz) 0.8%.
Potassium oxide and sodium oxide be the weight ratio composition mixture arbitrarily, and wherein optimum weight ratio is: K 2O: Na 2O=1.1~1.
Arsenic oxide arsenoxide and weisspiessglanz be the weight ratio composition mixture arbitrarily.
The present invention also provides the preparation method of above-mentioned glass ceramic containing phosphorus lithium aluminium silicon: be configured to compound after grinding upper glass pottery moiety evenly, found moulding, annealing through 1550~1650 ℃; Through 600~800 ℃ of coring 1~4 hour, be warming up to 700~1000 ℃ of crystallization then and handled 1~12 hour again.
Glass ceramic containing phosphorus lithium aluminium silicon of the present invention and preparation method thereof obtains through scrutinizing, test the back the contriver.A kind of compound nucleus agent provided by the present invention is according to nucleus agent synergistic effect, at TiO 2And ZrO 2The basis on, introduce P 2O 5Form.On the one hand, utilize phosphonium ion P 5+Tetrahedral coordination and phosphoric acid salt network form ability, induce the glass phase-splitting, promote the nucleating course of glass; On the other hand, P 2O 5Can improve ZrO 2Solubleness, improve founding and ZrO of glass 2Nucleogenesis.
Glass-ceramic of the present invention is owing to adopt P 2O 5With TiO 2And ZrO 2Form compound nucleus agent, utilize " synergistic effect " of nucleus agent, impel a large amount of forming cores of glass, be equipped with accurate control coring, crystallization and thermal treatment process system, the control nucleus growth becomes crystal grain and grows up, and realizes that grain-size reaches nano level, and has low thermal expansivity and high physical strength.
The principal crystalline phase of glass-ceramic of the present invention is β-triphane (Li 2OAl 2O 3NSiO 2, n 〉=4), crystal shape is spherical, and grain-size is between 20~100nm, and thermal expansivity is 5~21 * 10 in 30~600 ℃ of scopes -7/ ℃, bending strength is 110~150MPa.
Embodiment
Embodiment 1: a kind of glass ceramic containing phosphorus lithium aluminium silicon, and its weight percent consists of:
SiO 2?70%、Li 2O?4%、Al 2O 3?15%、MgO?1%、ZnO?1.1%、CaO?0.5%、B 2O 3?0.2%、TiO 2?3.2%、ZrO 2?2%、K 2O?1.1%、Na 2O?1.0%、P 2O 5?0.1%、As 2O 30.4%、Sb 2O 3?0.4%。
Be configured to compound after grinding above-mentioned glass-ceramic moiety evenly, found moulding, annealing through 1550~1650 ℃; Through 720 ℃ of coring 1.5 hours, be warming up to 810 ℃ of crystallization then and handled 4 hours again; Obtain folding strength 110~150MPa, the coefficient of expansion 5~21 * 10 -7/ ℃ glass-ceramic, the spheric grain size is between 20~100nm.
Embodiment 2: a kind of glass ceramic containing phosphorus lithium aluminium silicon, and its weight percent consists of:
SiO 2?70%、Li 2O?4%、Al 2O 3?15%、MgO?0.9%、ZnO?1.1%、CaO?0.5%、B 2O 3?0.2%、TiO 2?2.5%、ZrO 2?2.1%、K 2O?1.1%、Na 2O?1.0%、P 2O 5?0.8%、As 2O 3?0.4%、Sb 2O 3?0.4%。
Be configured to compound by above-mentioned each component, found through 1550~1650 ℃, moulding, annealing again through 740 ℃ of coring 1.5 hours, is warming up to 870 ℃ of crystallization then and handled 8 hours, obtains folding strength 110~150MPa, the coefficient of expansion 5~21 * 10 -7/ ℃ glass-ceramic, the spheric grain size is between 20~100nm.
Embodiment 3: a kind of glass ceramic containing phosphorus lithium aluminium silicon, and its weight percent consists of:
SiO 2?70%、Li 2O?4%、Al 2O 3?15%、MgO?0.9%、ZnO?1%、CaO?0.4%、B 2O 3?0.2%、TiO 2?1.8%、ZrO 2?2.3%、K 2O?1.0%、Na 2O?1.0%、P 2O 5?1.6%、As 2O 3?0.4%、Sb 2O 3?0.4%。
Be configured to compound by above-mentioned each component, found through 1550~1650 ℃, moulding, annealing again through 760 ℃ of coring 1.5 hours, is warming up to 950 ℃ of crystallization then and handled 4 hours, obtains folding strength 110~150MPa, the coefficient of expansion 5~21 * 10 -7/ ℃ glass-ceramic, the spheric grain size is between 20~100nm.
At last, it is also to be noted that what more than enumerate only is several specific embodiments of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.

Claims (2)

1, a kind of glass ceramic containing phosphorus lithium aluminium silicon is characterized in that the weight percent of this glass-ceramic consists of: the mixture 0.8% of the mixture 2%-2.1% of silicon-dioxide 70%, Lithium Oxide 98min 4%, aluminum oxide 15%, magnesium oxide 0.9%-1%, zinc oxide 1%-1.1%, calcium oxide 0.4%-0.5%, boron oxide 0.2%, titanium oxide 1.8%-3.2%, zirconium white 2.0%-2.3%, potassium oxide and sodium oxide, five phosphorus oxide 0.1%-1.6% and arsenic oxide arsenoxide and weisspiessglanz.
2, a kind of preparation method of glass ceramic containing phosphorus lithium aluminium silicon as claimed in claim 1 is characterized in that: be configured to compound after grinding described glass-ceramic moiety evenly, found moulding, annealing through 1550~1650 ℃; Through 600~800 ℃ of coring 1~4 hour, be warming up to 700~1000 ℃ of crystallization then and handled 1~12 hour again.
CNB2005100613020A 2005-10-28 2005-10-28 Glass ceramic containing phosphorus lithium aluminium silicon and its preparation method Expired - Fee Related CN100352782C (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101234852B (en) * 2008-01-16 2011-05-11 中南大学 0.3-5mum wave range infrared permeation high temperature resistant glass ceramic material and preparing method thereof
CN102643024A (en) * 2012-04-10 2012-08-22 中原工学院 Magnesium oxide (MgO)-silicon dioxide (SiO2)-aluminum oxide (Al2O3)-boron trioxide (B2O3)-potassium fluoride (KF) glass ceramic composite material adopting silicon carbide (SiC) as enhanced-phase and preparation method thereof
CN102936096A (en) * 2012-11-14 2013-02-20 内蒙古科技大学 Sm3+ glass doping brilliant glass ceramics and preparation method thereof
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
CN110577365A (en) * 2019-09-09 2019-12-17 深圳精匠云创科技有限公司 Nanocrystalline glass ceramic and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4000500B2 (en) * 1999-08-02 2007-10-31 日本電気硝子株式会社 Li2O-Al2O3-SiO2 based crystallized glass and crystalline glass
JP3767260B2 (en) * 1999-08-02 2006-04-19 日本電気硝子株式会社 Li2O-Al2O3-SiO2 based crystallized glass and crystalline glass
JP2004075441A (en) * 2002-08-14 2004-03-11 Huzhou Daikyo Hari Seihin Yugenkoshi Lithium oxide-alumina-silica-based crystalline glass and crystallized glass, and method of manufacturing the crystalline glass and the crystallized glass
US20040157720A1 (en) * 2002-08-20 2004-08-12 Nippon Electric Glass Co., Ltd. Crystallized glass
CN1597586A (en) * 2004-08-11 2005-03-23 河北邢台晶牛玻璃股份有限公司 Production method of transparent microcrystal glass

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101234852B (en) * 2008-01-16 2011-05-11 中南大学 0.3-5mum wave range infrared permeation high temperature resistant glass ceramic material and preparing method thereof
CN102643024A (en) * 2012-04-10 2012-08-22 中原工学院 Magnesium oxide (MgO)-silicon dioxide (SiO2)-aluminum oxide (Al2O3)-boron trioxide (B2O3)-potassium fluoride (KF) glass ceramic composite material adopting silicon carbide (SiC) as enhanced-phase and preparation method thereof
CN102643024B (en) * 2012-04-10 2014-04-02 中原工学院 Magnesium oxide (MgO)-silicon dioxide (SiO2)-aluminum oxide (Al2O3)-boron trioxide (B2O3)-potassium fluoride (KF) glass ceramic composite material adopting silicon carbide (SiC) as enhanced-phase and preparation method thereof
CN102936096A (en) * 2012-11-14 2013-02-20 内蒙古科技大学 Sm3+ glass doping brilliant glass ceramics and preparation method thereof
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
CN110577365A (en) * 2019-09-09 2019-12-17 深圳精匠云创科技有限公司 Nanocrystalline glass ceramic and preparation method thereof

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Assignee: Wenzhou Kanger Crystallite Utensils Co.,Ltd.

Assignor: Zhejiang University

Contract fulfillment period: 2008.9.10 to 2013.12.31

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Denomination of invention: Glass ceramic containing phosphorus lithium aluminium silicon and its preparation method

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