CN104743883A - Industrial protective glass ceramic and preparation method thereof - Google Patents
Industrial protective glass ceramic and preparation method thereof Download PDFInfo
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- CN104743883A CN104743883A CN201310743136.7A CN201310743136A CN104743883A CN 104743883 A CN104743883 A CN 104743883A CN 201310743136 A CN201310743136 A CN 201310743136A CN 104743883 A CN104743883 A CN 104743883A
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- glass
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- devitrified glass
- crystallization
- industrial protection
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Abstract
The invention discloses an industrial protective glass ceramic and a preparation method thereof. The glass ceramic contains 38-49.5wt% of SiO2, 25-35wt% of Al2O3, 10.1-18wt% of MgO, 1-5wt% of CaO, 6-11wt% of TiO2, and not more than 2wt% of Na2O and/or K2O. The preparation method includes: blending the raw materials quartz, alumina, magnesium oxide, talc, kaolin and titanium dioxide, mixing them uniformly, sending the mixture into a tank furnace to conduct melting so as to obtain a clarified and homogeneous glass liquid; calendaring the glass liquid at 1450-1600DEG C into a glass plate; and placing the glass plate into a crystallization kiln, firstly performing nucleation, and then carrying out crystallization and cooling, thus obtaining the industrial protective glass ceramic. Compared with traditional glass ceramics, the industrial protective glass ceramic provided by the invention has better corrosion resistance, abrasion resistance, compressive strength and hardness, and the process involved in the invention has the characteristics of short production cycle and low cost, thus being beneficial to popularization and application.
Description
Technical field
The present invention relates to devitrified glass technical field, be specifically related to a kind of industrial protection devitrified glass and preparation method thereof.
Background technology
Devitrified glass, also known as glass-ceramic, is a kind of type material that comprehensive glass and ceramic technology grow up, and be the equally distributed material of microcrystal and glassy phase, its physicochemical property has concentrated triple advantages of glass, pottery and lithotome.Compared to traditional ceramic protection material, devitrified glass protective material has the advantages such as physical strength is high, corrosion-resistant, heat-resisting, wear-resisting, antioxidant property is good, electrical property is excellent, the coefficient of expansion is adjustable, Heat stability is good, is the choosing of the high-quality of protective material.In addition, devitrified glass is better than lithotome and pottery, can be used for building curtain wall and indoor high-grade decoration, also can do structured material mechanically, insulating material on electronics, electrician, the baseboard material of large-scale integrated circuit, the heat-resisting serial vessel of microwave oven, chemical industry and impregnating material and mine high-abrasive material etc. are the type materials in 21st century with development prospect.
Devitrified glass mainly contains CaO-Al
2o
3-SiO
2system and CaO-MgO-Al
2o
3-SiO
2system, CaO-MgO-Al
2o
3-SiO
2system devitrified glass is owing to can separate out diopside crystalline phase, and performance is CaO-Al comparatively
2o
3-SiO
2system devitrified glass is more excellent; Often there is a large amount of manufacturability pore in the top layer of the devitrified glass of traditional mode of production and internal layer thereof, and the performance such as folding strength and water tolerance is not strong, and production cost is high, complicated process of preparation, limits the application as protective material of devitrified glass.
Summary of the invention
The object of the present invention is to provide a kind of industrial protection devitrified glass and preparation method thereof.
The technical solution used in the present invention is:
A kind of industrial protection devitrified glass, the chemical composition containing following mass percent: 38 ~ 49.5wt% SiO
2, 25 ~ 35wt% Al
2o
3, 10.1
~18wt% MgO, 1 ~ 5wt% CaO, 6
~11 wt% TiO
2, Na
2o and/or K
2o is not more than 2wt%.
A preparation method for industrial protection devitrified glass, comprises following steps:
1) raw material quartz, aluminum oxide, magnesium oxide, talcum, kaolin and titanium dioxide are carried out proportioning, the consumption of each raw material is to make in the finished product containing 38 ~ 49.5wt% SiO
2, 25 ~ 35wt% Al
2o
3, 10.1
~18wt% MgO, 1 ~ 5wt% CaO, 6
~11 wt% TiO
2, Na
2o and/or K
2o is not more than 2wt% and is as the criterion;
2) by the raw material blending that proportioning is good, send into tank furnace fusing, obtain clarifying uniform glass metal;
3) glass metal is rolled into sheet glass at 1450 ~ 1600 DEG C;
4) sheet glass is put into crystallization kiln, first coring, then crystallization, cooling, obtains industrial protection devitrified glass.
Further, step 2) described in be molten into: material 30 ~ 40h under 1600 ~ 1700 DEG C of conditions.
Further, the coring described in step 4) is: 650 ~ 850 DEG C of coring 1 ~ 3h.
Further, the crystallization described in step 4) is: 900 ~ 1200 DEG C of crystallization 1 ~ 4h.
The invention has the beneficial effects as follows:
Industrial protection devitrified glass prepared by the present invention is compared traditional devitrified glass and is had better Corrosion Protection, and wherein acid resistance and alkali resistance are less than or equal to 0.005%, 0.006% respectively; Wear loss is significantly less than traditional devitrified glass, only at 0.008g/ cm
2and below; Ultimate compression strength is remarkable traditional devitrified glass also, up to 930MPa and more than; Hardness is 8mos and with first-class advantage.
The explained hereafter cycle provided by the invention is short, and cost is low, is conducive to applying.
Embodiment
Below in conjunction with specific embodiment, the present invention is done further, but be not limited thereto.
embodiment 1
1) raw material quartz, aluminum oxide, magnesium oxide, talcum, kaolin and titanium dioxide are carried out proportioning, mixing, the consumption of each raw material is to make in the finished product containing 45wt% SiO
2, 30wt% Al
2o
3, 14wt% MgO, 3wt% CaO, 6 wt% TiO
2, 0.8wt% Na
2o, 0.5wt% K
2o surplus is that inevitable impurity is as the criterion;
2) raw material will mixed, send into tank furnace fusing, material 30h under 1650 DEG C of conditions, obtains clarifying uniform glass metal;
3) glass metal is rolled into sheet glass at 1500 DEG C;
4) sheet glass is put into crystallization kiln, after 750 DEG C of coring 2h, 1100 DEG C of crystallization 3h coolings, obtain industrial protection devitrified glass.
embodiment 2
1) raw material quartz, aluminum oxide, magnesium oxide, talcum, kaolin and titanium dioxide are carried out proportioning, mixing, the consumption of each raw material is to make in the finished product containing 49wt% SiO
2, 25wt% Al
2o
3, 18wt% MgO, 1wt% CaO, 6wt% TiO
2, 0.4wt% Na
2o, 0.1wt% K
2o surplus is that inevitable impurity is as the criterion;
2) raw material will mixed, send into tank furnace fusing, material 35h under 1700 DEG C of conditions, obtains clarifying uniform glass metal;
3) glass metal is rolled into sheet glass at 1450 DEG C;
4) sheet glass is put into crystallization kiln, after 650 DEG C of coring 3h, 1200 DEG C of crystallization 1h coolings, obtain industrial protection devitrified glass.
embodiment 3
1) raw material quartz, aluminum oxide, magnesium oxide, talcum, kaolin and titanium dioxide are carried out proportioning, mixing, the consumption of each raw material is to make in the finished product containing 38wt% SiO
2, 35wt% Al
2o
3, 10.1wt% MgO, 5wt% CaO, 11 wt% TiO
2, 0.3wt% Na
2o, 0.1wt% K
2o surplus is that inevitable impurity is as the criterion;
2) raw material will mixed, send into tank furnace fusing, material 40h under 1600 DEG C of conditions, obtains clarifying uniform glass metal;
3) glass metal is rolled into sheet glass at 1600 DEG C;
4) sheet glass is put into crystallization kiln, after 850 DEG C of coring 1h, 900 DEG C of crystallization 4h coolings, obtain industrial protection devitrified glass.
Further Performance Detection is done to the industrial protection devitrified glass prepared in embodiment below, and compare with the performance of traditional devitrified glass (as brilliant ox devitrified glass), as shown in table 1.
The Performance Detection of table 1 industrial protection of the present invention devitrified glass and with the comparing of traditional devitrified glass
The test of acid resistance, alkali resistance be the devitrified glass loss of quality in 5wt%HCl solution and 5wt%NaOH solution respectively, numerical value lower explanation resistance to acids and bases is stronger.Water-intake rate represents that glass soaks the quality change of front and back and the mass ratio before soaking in boiling water, and numerical value lower explanation water-intake rate is lower.The mensuration of wear loss, Mohs' hardness, ultimate compression strength MPa all adopts conventional measuring method.
As can be seen from Table 1, industrial protection devitrified glass prepared by the present invention is compared traditional devitrified glass and is had better Corrosion Protection, wherein acid resistance and alkali resistance are less than or equal to 0.005%, 0.006% respectively, and wear loss is significantly less than traditional devitrified glass, only at 0.008g/ cm
2and below, ultimate compression strength is remarkable traditional devitrified glass also, up to 930MPa and more than, hardness is the advantages such as 8mos.
Claims (5)
1. an industrial protection devitrified glass, is characterized in that: the chemical composition containing following mass percent: 38 ~ 49.5wt% SiO
2, 25 ~ 35wt% Al
2o
3, 10.1
~18wt% MgO, 1 ~ 5wt% CaO, 6
~11 wt% TiO
2, Na
2o and/or K
2o is not more than 2wt%.
2. a preparation method for industrial protection devitrified glass, is characterized in that: comprise following steps:
1) raw material quartz, aluminum oxide, magnesium oxide, talcum, kaolin and titanium dioxide are carried out proportioning, the consumption of each raw material is to make in the finished product containing 38 ~ 49.5wt% SiO
2, 25 ~ 35wt% Al
2o
3, 10.1
~18wt% MgO, 1 ~ 5wt% CaO, 6
~11 wt% TiO
2, Na
2o and/or K
2o is not more than 2wt% and is as the criterion;
2) by the raw material blending that proportioning is good, send into tank furnace fusing, obtain clarifying uniform glass metal;
3) glass metal is rolled into sheet glass at 1450 ~ 1600 DEG C;
4) sheet glass is put into crystallization kiln, first coring, then crystallization, cooling, obtains industrial protection devitrified glass.
3. the preparation method of a kind of industrial protection devitrified glass according to claim 2, is characterized in that: step 2) described in be molten into: material 30 ~ 40h under 1600 ~ 1700 DEG C of conditions.
4. the preparation method of a kind of industrial protection devitrified glass according to claim 2, is characterized in that: the coring described in step 4) is: 650 ~ 850 DEG C of coring 1 ~ 3h.
5. the preparation method of a kind of industrial protection devitrified glass according to claim 2, is characterized in that: the crystallization described in step 4) is: 900 ~ 1200 DEG C of crystallization 1 ~ 4h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743136.7A CN104743883A (en) | 2013-12-30 | 2013-12-30 | Industrial protective glass ceramic and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310743136.7A CN104743883A (en) | 2013-12-30 | 2013-12-30 | Industrial protective glass ceramic and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104743883A true CN104743883A (en) | 2015-07-01 |
Family
ID=53584253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310743136.7A Pending CN104743883A (en) | 2013-12-30 | 2013-12-30 | Industrial protective glass ceramic and preparation method thereof |
Country Status (1)
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|---|---|
| CN (1) | CN104743883A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007144875A1 (en) * | 2006-06-13 | 2007-12-21 | D&D Salomon Investment Ltd. | Glass-ceramic materials having a predominant spinel-group crystal phase |
| CN101460423A (en) * | 2006-05-31 | 2009-06-17 | 康宁股份有限公司 | Tough cordierite glass-ceramics |
| CN101466534A (en) * | 2006-05-31 | 2009-06-24 | 康宁股份有限公司 | Transparent glass-ceramic armor |
| CN102491641A (en) * | 2011-12-09 | 2012-06-13 | 水经(上海)生物科技有限公司 | Wear-resistant crystallized glass plate and preparation method thereof |
-
2013
- 2013-12-30 CN CN201310743136.7A patent/CN104743883A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101460423A (en) * | 2006-05-31 | 2009-06-17 | 康宁股份有限公司 | Tough cordierite glass-ceramics |
| CN101466534A (en) * | 2006-05-31 | 2009-06-24 | 康宁股份有限公司 | Transparent glass-ceramic armor |
| WO2007144875A1 (en) * | 2006-06-13 | 2007-12-21 | D&D Salomon Investment Ltd. | Glass-ceramic materials having a predominant spinel-group crystal phase |
| CN102491641A (en) * | 2011-12-09 | 2012-06-13 | 水经(上海)生物科技有限公司 | Wear-resistant crystallized glass plate and preparation method thereof |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20170420 Address after: 332000 Yongxiu Jiangxi Spark Industrial Park Applicant after: Jiangxi Golden Maple Jade Co., Ltd. Address before: 528000 Chancheng, Guangdong Province, with the East China Road No. 303, room 16, No. two Applicant before: Zhu Xiaoming |
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Application publication date: 20150701 |
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