CN106673459B - A kind of method and its application determining high alumina silicate glass desirable chemical reinforcement process - Google Patents
A kind of method and its application determining high alumina silicate glass desirable chemical reinforcement process Download PDFInfo
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- CN106673459B CN106673459B CN201611191043.8A CN201611191043A CN106673459B CN 106673459 B CN106673459 B CN 106673459B CN 201611191043 A CN201611191043 A CN 201611191043A CN 106673459 B CN106673459 B CN 106673459B
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C21/00—Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16C—COMPUTATIONAL CHEMISTRY; CHEMOINFORMATICS; COMPUTATIONAL MATERIALS SCIENCE
- G16C20/00—Chemoinformatics, i.e. ICT specially adapted for the handling of physicochemical or structural data of chemical particles, elements, compounds or mixtures
- G16C20/10—Analysis or design of chemical reactions, syntheses or processes
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Abstract
The present invention provides a kind of methods of desirable chemical reinforcement process for determining high alumina silicate glass, include the following steps: the stress layer depth according to target chemical strengthened glass, the condition one that chemical reinforcement process need to meet is determined using stressor layers depth prediction formula DOL=F (t, T)；According to target chemical strengthened glass surface microhardness, the condition two that chemical reinforcement process need to meet is determined using microhardness predictor formula HV=F (t, T)；The desirable chemical reinforcement process of high alumina silicate glass, the i.e. numerical value of chemical strengthening time t and chemical strengthening temperature T are determined according to condition one and condition two.The present invention also provides application of the above method in the preparation high alumina silicate glass of chemical strengthening.The method of the present invention can reduce sample preparation amount, reduce the preparation cost and testing cost of sample, can the desirable chemical reinforcement process to high alumina silicate glass accurately predicted, for high alumina silicate glass chemical strengthening technique determination important support is provided.
Description
Technical field
The invention belongs to high alumina silicate glass performance design technical fields, and in particular to a kind of high alumino-silicate glass of determination
The method and its application of glass desirable chemical reinforcement process.
Background technique
In order to improve the mechanical strength especially microhardness of glass, two kinds of sides of physical strengthening and chemical strengthening are generallyd use
Method.The glass of physical strengthening is mainly used for the outer glass of the glass pane of car and boat, building, and physical strengthening glass is at low cost, produces
Amount is big, and high mechanical strength, thermal shock resistance are good, and highest safe working temperature is up to 287.78 DEG C.However physical strengthening glass
The intrinsic problem on deformation of strengthening process limits it in the application in the field more demanding to optical quality.Chemically reinforced glass
Be more widely applied: train, automobile, aircraft, naval vessel and airship windshield, spectacle glass, face glass, base plate glass etc.
Chemically reinforced glass can be used.The major advantage of chemically reinforced glass has: intensity is high, thermal stability is good, constant after processing
Shape does not lose flatness, without self-destruction phenomenon etc..
The preparation method of general chemically reinforced glass is by the way that common soda lime glass to be immersed in the fused salt of basic ion, with molten
The lesser sodium ion (radius 0.098nm) of radius in biggish potassium ion (radius 0.133nm) the displacement glass network of radius in salt
To squeeze the network structure of glass surface, change glass surface ingredient.Jammed bulk effect is in glass table after ion exchange
Face forms compressive pre-stress layer, to prevent face crack stress from extending, achievees the purpose that improve glass mechanical strength.
In recent years, in the flat-panel monitors such as the mobile displays such as mobile phone, PDA and the LCD TV of large size, it is with protection
Purpose, mostly using chemically reinforced glass (reference the Japanese Unexamined Patent Application 57-205343 bulletin, Japanese Unexamined Patent Publication for improving intensity
9-236792 bulletin and Japanese Unexamined Patent Publication 2009-84076 bulletin).
The high alumina silicate glass of chemical strengthening has good mechanical performance, optical property and chemical tempering performance, in electricity
There is important application in the fields such as sub- glass cover-plate.The depth of ideal compressive stress layers in order to obtain when designing production technology,
It generally requires excessively to be taken turns sample preparation test experiments to determine desirable chemical enhanced time and chemical strengthening temperature.
Hardness is the macro manifestations of material microstructure, can characterize " densification " degree and resistance to marring of material.Glass
Glass material cannot use too big testing load, so generally characterizing using microhardness due to its crisp and hard feature.Chemistry
The microhardness of strengthened glass is generally detected by hardometer.Firstly, hardness test have to the finish of glass surface it is harsh
Requirement, in order to reach this requirement need a large amount of time for glass sample surface polishing；Secondly, if scleroscopic
Ram pressures are excessive to be easy to leave crackle in glass surface, so that the data of hardness test free distortion；Finally, can satisfy
The chemical intensified condition for strengthening high alumina silicate glass surface microhardness is learned, the requirement of chemical strengthening depth is also met.Cause
This, improves the efficiency of chemical strengthening technological design, is the common concern of current industry institute.
Currently, the condition of chemical strengthening technique is generally by more wheel experiments, test is determined repeatedly.This method is not only unrestrained
Take manpower and material resources, and efficiency is lower, experimental period is long.
Summary of the invention
It is an object of the invention to solve above-mentioned deficiency, provides and a kind of quickly determine high alumina silicate glass chemical strengthening
The method of technique.
A method of the desirable chemical reinforcement process determining high alumina silicate glass includes the following steps:
According to the stress layer depth DOL of target chemical strengthened glass, stressor layers depth prediction formula DOL=F (t, T) is utilized
Determine the condition one that chemistry reinforcement process need to meet；
The calculation expression of the stressor layers depth prediction formula DOL=F (t, T) is as follows:
DOL=-5623.47+33.24t+20.38T-6.09 × 10-2t3-3.94×10-5T3-1.46×10-4tT2,
In formula:
DOL indicates stress layer depth, μm；T indicates chemical strengthening time, h；T indicates chemical strengthening temperature, DEG C；
According to target chemical strengthened glass surface microhardness HV, determined using microhardness predictor formula HV=F (t, T)
The condition two that chemical strengthening technique need to meet；
The calculation expression of the microhardness predictor formula HV=F (t, T) is as follows:
HV=-5225.43-56.15t+24.53T-7.48 × 10-2t3-5.14×10-5T3-4.08×10-4tT2,
In formula:
HV indicates surface microhardness, MPa；T indicates chemical strengthening time, h；T indicates chemical strengthening temperature, DEG C；
The desirable chemical reinforcement process of high alumina silicate glass, i.e. chemical strengthening time are determined according to condition one and condition two
The numerical value of t and chemical strengthening temperature T.
The method of the present invention can reduce sample preparation amount, reduce the preparation cost and testing cost of sample, can be to high manosil AS
The desirable chemical reinforcement process of salt glass is accurately predicted, provides weight for the chemical strengthening technique determination of high alumina silicate glass
It supports.
The molar content percentage of each element meets the following conditions in the high alumina silicate glass: Si:23.5~
25.5mol%, O:63.0~65.0mol%, Al:8.5~9.5mol%, Na+K:2.0~3.0mol%, Mg+Ca:0~
1.0mol%.The high alumina silicate glass for only meeting above-mentioned condition is just suitable for the method for the present invention.
Preferably, chemical strengthening time t meets: 4.0h < t < 6.5h, the chemical strengthening temperature T meet: 395
℃<T<410℃。
It is a further object of the present invention to provide the methods of the desirable chemical reinforcement process of the high alumina silicate glass of above-mentioned determination
Application in the preparation high alumina silicate glass of chemical strengthening.
Compared with prior art, the invention has the following advantages:
(1) the desirable chemical reinforcement process that can accurately determine high alumina silicate glass especially shows that glass composition exists
Glass in the scope of application of the present invention；
(2) sample size prepared to determine desirable chemical reinforcement process can be greatly reduced, improve technological design
Efficiency.
Specific embodiment
Embodiment 1
(1) the chemical composition information of high alumina silicate glass is obtained using atomic emission spectrometry, specific ingredient is as follows:
Si:24.5mol%, O:63.8mol%, Al:9.1mol%, Na:2.6mol% are compared, and applicable elements of the present invention are met.
(2) according to the stress layer depth DOL of target chemical strengthened glass, stressor layers depth prediction formula DOL=F is utilized
(t, T) determines the condition one that chemical reinforcement process need to meet:
Chemical strengthening depth that it to be obtained is set as 50 μm, then its chemical intensified condition needs to meet: 50=-5623.47+
33.24t+20.38T-6.09×10-2t3-3.94×10-5T3-1.46×10-4tT2(1)
It is true using microhardness predictor formula HV1=F (t, T) according to target chemical strengthened glass surface microhardness HV
Determine the condition two that chemical strengthening technique need to meet:
Surface microhardness that it to be obtained is set as 700MPa, then its chemical intensified condition must meet: 700=-
5225.43-56.15t+24.53T-7.48×10-2t3-5.14×10-5T3-4.08×10-4tT2(2)
Joint type (1) (2), it is contemplated that chemical strengthening time t and chemical strengthening temperature T must meet 4.0h < t < 6.5h simultaneously
With 395 DEG C < T < 410 DEG C, then t=4.7h is taken, T=406 DEG C.
(3) use this chemical strengthening technique to high alumina silicate glass carry out chemical strengthening: chemical strengthening time t for
4.7h；The chemical strengthening temperature T is 406 DEG C, with the stress layer depth of surface stress instrument measurement glass after chemical strengthening
DOL；Glass surface microhardness HV is measured with Vickers.
After tested, after chemical strengthening, the stress layer depth DOL of the high alumina silicate glass is 50.6 μm, and surface is micro-
Hardness HV is 640MPa, close with predetermined target value, illustrates that the method for the present invention can accurately determine the reason of high alumina silicate glass
Think chemical strengthening technique, improves the efficiency of technological design.
Claims (3)
1. a kind of method for the desirable chemical reinforcement process for determining high alumina silicate glass, which is characterized in that the high manosil AS
The molar content percentage of each element meets the following conditions in salt glass: Si:23.5~25.5mol%, O:63.0~
65.0mol%, Al:8.5~9.5mol%, Na+K:2.0~3.0mol%, Mg+Ca:0~1.0mol%；The method includes
Following steps:
According to the stress layer depth DOL of target chemical strengthened glass, determined using stressor layers depth prediction formula DOL=F (t, T)
The condition one that chemical strengthening technique need to meet；
The calculation expression of the stressor layers depth prediction formula DOL=F (t, T) is as follows:
DOL=-5623.47+33.24t+20.38T-6.09 × 10-2t3-3.94×10-5T3-1.46×10-4tT2,
In formula:
DOL indicates stress layer depth, μm；T indicates chemical strengthening time, h；T indicates chemical strengthening temperature, DEG C；
According to target chemical strengthened glass surface microhardness HV, chemistry is determined using microhardness predictor formula HV=F (t, T)
The condition two that reinforcement process need to meet；
The calculation expression of the microhardness predictor formula HV=F (t, T) is as follows:
HV=-5225.43-56.15t+24.53T-7.48 × 10-2t3-5.14×10-5T3-4.08×10-4tT2,
In formula:
HV indicates surface microhardness, MPa；T indicates chemical strengthening time, h；T indicates chemical strengthening temperature, DEG C；
Determine the desirable chemical reinforcement process of high alumina silicate glass according to condition one and condition two, i.e. chemical strengthening time t and
The numerical value of chemical strengthening temperature T.
2. the method for the desirable chemical reinforcement process of the high alumina silicate glass of determination according to claim 1, feature exist
In chemical strengthening time t meets: 4.0h < t < 6.5h, the chemical strengthening temperature T meet: 395 DEG C < T < 410 DEG C.
3. prepared by a kind of method of the desirable chemical reinforcement process of the high alumina silicate glass of determination according to claim 1
Application in the high alumina silicate glass of chemical strengthening.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101454252A (en) * | 2006-05-25 | 2009-06-10 | 日本电气硝子株式会社 | Tempered glass and process for producing the same |
| CN102690057A (en) * | 2012-04-10 | 2012-09-26 | 东旭集团有限公司 | Glass formula used for new touch screen cover plate glass |
| CN105481247A (en) * | 2015-12-30 | 2016-04-13 | 东旭科技集团有限公司 | Composition for alumina silicate glass and alumina silicate glass and preparation method and application thereof |
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- 2016-12-21 CN CN201611191043.8A patent/CN106673459B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101454252A (en) * | 2006-05-25 | 2009-06-10 | 日本电气硝子株式会社 | Tempered glass and process for producing the same |
| CN102690057A (en) * | 2012-04-10 | 2012-09-26 | 东旭集团有限公司 | Glass formula used for new touch screen cover plate glass |
| CN105481247A (en) * | 2015-12-30 | 2016-04-13 | 东旭科技集团有限公司 | Composition for alumina silicate glass and alumina silicate glass and preparation method and application thereof |
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