CN108982176A - The processing method of flexible glass plate and the measurement method of thermal expansion coefficient - Google Patents
The processing method of flexible glass plate and the measurement method of thermal expansion coefficient Download PDFInfo
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- CN108982176A CN108982176A CN201810418335.3A CN201810418335A CN108982176A CN 108982176 A CN108982176 A CN 108982176A CN 201810418335 A CN201810418335 A CN 201810418335A CN 108982176 A CN108982176 A CN 108982176A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- 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
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/16—Investigating or analyzing materials by the use of thermal means by investigating thermal coefficient of expansion
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- Life Sciences & Earth Sciences (AREA)
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- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geochemistry & Mineralogy (AREA)
- General Chemical & Material Sciences (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses the measurement methods of a kind of processing method of flexible glass plate and the thermal expansion coefficient of flexible glass plate.The processing method of the flexible glass plate from flexible glass plate the following steps are included: intercept part to be processed, part to be processed is rectangular-shape, wherein the length of part to be processed is more than or equal to the first preset value and is less than or equal to the second preset value, and the width of part to be processed is more than or equal to third preset value and is less than or equal to the 4th preset value；It is processed with processing part is treated, to obtain the part to be measured at least three against end.By utilizing the processing method, the problem of can not directly measuring the thermal expansion coefficient of flexible glass plate using mandril method due to the rigidity of flexible glass plate is lower can be efficiently solved.It by utilizing the processing method, can not only make that the measurement result of the thermal expansion coefficient of flexible glass plate is accurate, reliable, reproducibility is high, but also can rapidly measure the thermal expansion coefficient of flexible glass substrate.
Description
Technical field
The present invention relates to glass arts, and in particular, to the processing method of flexible glass plate further relates to flexible glass plate
Thermal expansion coefficient measurement method.
Background technique
Flexible glass substrate is the baseplate material for manufacturing flexible electronic display panel, in flexible electronic display panel
Manufacturing process in, need heating for multiple times flexible glass substrate, therefore have to the thermal expansion coefficient of flexible glass substrate very high
Requirement, thermal expansion coefficient be evaluate flexible glass substrate quality an important indicator.
Currently, the measurement method of the thermal expansion coefficient of glass is mandril method, but it is rigidity that mandril method, which requires measurement sample,
Glass bar or glass plate.Therefore, it is impossible to utilize the thermal expansion coefficient of mandril method measurement flexible glass substrate.
Summary of the invention
It is of the existing technology the purpose of the invention is to overcome the problems, such as, provide flexible glass plate processing method and
The measurement method of the thermal expansion coefficient of flexible glass plate.
To achieve the goals above, first aspect present invention provides a kind of processing method of flexible glass plate, the flexibility
The processing method of glass plate from the flexible glass plate the following steps are included: intercept part to be processed, the part to be processed
For rectangular-shape, wherein the length of the part to be processed is more than or equal to the first preset value and is less than or equal to the second preset value, institute
The width for stating part to be processed is more than or equal to third preset value and is less than or equal to the 4th preset value；With to the part to be processed
It is processed, to obtain the part to be measured at least three against end.
By the processing method using flexible glass plate according to an embodiment of the present invention, can efficiently solve because of flexibility
The rigidity of glass plate it is lower and can not using mandril method directly measure the thermal expansion coefficient of flexible glass plate the problem of.Moreover, logical
The processing method using flexible glass plate according to an embodiment of the present invention is crossed, the thermal expansion system of flexible glass plate can be not only made
Several measurement results is accurate, reliable, reproducibility is high, and can rapidly measure the thermal expansion coefficient of flexible glass substrate, with
Just the quality for preferably monitoring flexible glass plate, has huge practical value.
Preferably, the part to be measured is U-shaped, V-type or W type, it is preferable that the part to be measured is U type, the part to be measured
Curved portion is described against end, and the free end of the part to be measured is described against end, the free end of the part to be measured
End face be smoothed.
Preferably, the length direction along the part to be processed processes the part to be processed, so as to it is described to
The length direction for surveying part is consistent with the length direction of the part to be processed, and the part to be measured has phase in its longitudinal direction
Pair the first side and second side, described at least three are located at the first side of the part to be measured against a part of end, it is described extremely
Few three rest parts against end are located at the first side of the part to be measured.
Preferably, the length of the part to be processed is more than or equal to 2 centimetres and less than or equal to 6 centimetres and/or described to be added
The width of the Ministry of worker point is more than or equal to 0.5 centimetre and is less than or equal to 4 centimetres, it is preferable that the length of the part to be processed is greater than etc.
In 3 centimetres and it is less than or equal to the width of 5 centimetres and/or the part to be processed more than or equal to 1 centimetre and is less than or equal to 3 centimetres.
Preferably, the processing is carried out to the part to be processed under preset temperature, it is preferable that the preset temperature
And the difference of the softening temperature of the part to be processed is more than or equal to 10 degrees Celsius and is less than or equal to 50 degrees Celsius.
Preferably, it is described process continue preset time, it is preferable that the preset time be more than or equal to 1 minute and be less than etc.
In 10 minutes.
Preferably, utilize mold to carry out the processing, it is preferable that the mold be inverted U alumina die and/or
The surface roughness of the mold is less than or equal to 7 microns, it is further preferred that the surface roughness of the mold is less than or equal to 6.3
Micron.
Preferably, the processing method of the flexible glass plate further comprises annealing to the part to be measured, then cold
The part to be measured, it is preferable that the part cooled to room temperature to be measured, the room temperature are 15 degrees Celsius to 30 degrees Celsius.
Preferably, the annealing carries out -40 minutes 5 minutes under the annealing point temperature of the part to be measured.
Second aspect of the present invention provides the measurement method of the thermal expansion coefficient of flexible glass plate, the flexible glass plate
The measurement method of thermal expansion coefficient the following steps are included: using the flexible glass plate described according to a first aspect of the present invention place
Reason method handles the flexible glass plate, to obtain part to be measured；With the heat for measuring the part to be measured using mandril method
The coefficient of expansion.
It, can be direct by the measurement method of the thermal expansion coefficient using flexible glass plate according to an embodiment of the present invention
Ground, the thermal expansion coefficient for accurately, reliably, quickly measuring flexible glass plate, and measurement result has high reproduction
Property, preferably to monitor the quality of flexible glass plate, there is huge practical value.Moreover, according to an embodiment of the present invention
The measurement method of the thermal expansion coefficient of flexible glass plate also have the advantages that it is easy to operate, be easily achieved.
Specific embodiment
The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, it is intended to for explaining this
Invention, and be not considered as limiting the invention.
The processing method of flexible glass plate according to an embodiment of the present invention is described below.It is according to an embodiment of the present invention soft
The processing method of property glass plate the following steps are included:
Part to be processed is intercepted from the flexible glass plate, which is rectangular-shape.The part to be processed
Length is more than or equal to the first preset value and is less than or equal to the second preset value, and it is pre- that the width of the part to be processed is more than or equal to third
If being worth and being less than or equal to the 4th preset value.
The part to be processed is processed, to obtain the part to be measured at least three against end.
The processing method of flexible glass plate according to an embodiment of the present invention has in advance by intercepting from the flexible glass plate
If the part to be processed of size and processing at least three on the part to be processed against end, so as to be had
The part to be measured of high stiffness.Due to the part rigidity with higher to be measured, it can use mandril method and measure the part to be measured
Thermal expansion coefficient, it can the thermal expansion coefficient of the flexible glass plate is measured using mandril method.
By the processing method using flexible glass plate according to an embodiment of the present invention, can efficiently solve because of flexibility
The rigidity of glass plate it is lower and can not using mandril method directly measure the thermal expansion coefficient of flexible glass plate the problem of.Moreover, logical
The processing method using flexible glass plate according to an embodiment of the present invention is crossed, the thermal expansion system of flexible glass plate can be not only made
Several measurement results is accurate, reliable, reproducibility is high, and can rapidly measure the thermal expansion coefficient of flexible glass substrate, with
Just the quality for preferably monitoring flexible glass plate, has huge practical value.
In addition, the processing method of flexible glass plate according to an embodiment of the present invention also have it is easy to operate, be easily achieved
Advantage.
The present invention also provides the measurement methods of the thermal expansion coefficient of flexible glass plate.It is according to an embodiment of the present invention soft
The measurement method of the thermal expansion coefficient of property glass plate the following steps are included:
Using the processing method of flexible glass plate according to the above embodiment of the present invention to the flexible glass plate at
Reason, to obtain part to be measured.
The thermal expansion coefficient of the part to be measured is measured using mandril method.
It, can be direct by the measurement method of the thermal expansion coefficient using flexible glass plate according to an embodiment of the present invention
Ground, the thermal expansion coefficient for accurately, reliably, quickly measuring flexible glass plate, and measurement result has high reproduction
Property, preferably to monitor the quality of flexible glass plate, there is huge practical value.Moreover, according to an embodiment of the present invention
The measurement method of the thermal expansion coefficient of flexible glass plate also have many advantages, such as it is easy to operate, be easily achieved.
In some embodiments of the invention, the processing method of flexible glass plate according to an embodiment of the present invention can wrap
Include following steps:
Part to be processed is intercepted from the flexible glass plate, which is rectangular-shape.That is, should be to
Processing part can be sheet glass.Preferably, which can be flexible glass substrate, which can
For manufacturing flexible electronic display panel.
The length of the part to be processed can be more than or equal to 2 centimetres and be less than or equal to 6 centimetres, the width of the part to be processed
Degree can be more than or equal to 0.5 centimetre and be less than or equal to 4 centimetres.It is possible thereby to improve the rigidity of the part to be processed, and then can be with
Improve the rigidity of part to be measured.
Preferably, the length of the part to be processed can be more than or equal to 3 centimetres and be less than or equal to 5 centimetres, the Ministry of worker to be added
The width divided can be more than or equal to 1 centimetre and be less than or equal to 3 centimetres.It is possible thereby to further increase the rigid of the part to be processed
Property, and then can be further improved the rigidity of the part to be measured.
The thickness (height) of the part to be processed can be equal to the thickness (height) of the flexible glass plate.It specifically, should be to
The thickness for processing part can be more than or equal to 0.05 millimeter and be less than or equal to 0.1 millimeter.
It can use length direction of the mold along the part to be processed to process the part to be processed, to obtain
With at least three against end part to be measured.It is possible thereby to further increase the rigidity of the part to be measured.
Wherein, the length direction along the part to be processed, which process to the part to be processed, refers to: the length of the part to be measured
Spending direction can be consistent with the length direction of the part to be processed, which can have opposite in its longitudinal direction
First side and second side, this at least three against end it is a part of can be located at the part to be measured first side, this at least three
A rest part against end can be located at first side of the part to be measured.That is, this at least three can against end
To be located at first side and the second side of the part to be measured.
The part to be measured can be U-shaped, V-type or W type.Preferably, which can be U-shaped, the curved portion of the part to be measured
This be can be against end, the free end of the part to be measured can be this against end.Specifically, the U-shaped part to be measured can
To include curved portion, the first flat part and the second flat part, the first end of the curved portion can be with the of first flat part
One end is connected, and the second end of the curved portion can be connected with the first end of second flat part.Wherein, this is first flat
The second end in straight portion can be this against end, and the second end of second flat part can be this against end.
When measuring the thermal expansion coefficient of the part to be measured using mandril method, this at least three against end a part
It can be resisted against on mandril, this is at least three on the end that the rest part of end can be resisted against supporter.Specifically
The second end of ground, the second end of first flat part and second flat part can be resisted against on mandril, the curved portion
It can be resisted against on the end of supporter.
When the part to be measured is U-shaped, which can be the mold of inverted U.The mold can be alumina die.It is excellent
The surface roughness of selection of land, the mold can be less than or equal to 7 microns, it is possible thereby to reduce the surface roughness of the part to be measured.More
Add preferably, the surface roughness of the mold can be less than or equal to 6.3 microns, it is possible thereby to further decrease the part to be measured
Surface roughness.
In one embodiment of the invention, the processing can be carried out to the part to be processed under preset temperature.It is preferred that
The difference of the softening temperature of ground, the preset temperature and the part to be processed, which can be more than or equal to 10 degrees Celsius and be less than or equal to 50, to be taken the photograph
Family name's degree.In other words, the softening temperature of preset temperature part more to be processed than this is 10 degrees Celsius -50 degrees Celsius high.
Preferably, which continues preset time.Preferably, the preset time can be more than or equal to 1 minute and be less than etc.
In 10 minutes.Specifically, it when carrying out the processing, is kept for -10 minutes 1 minute under the preset temperature.That is, into
Row the processing when, the temperature of the part to be processed can be made to reach the preset temperature and kept under the preset temperature 1 minute-
10 minutes.
In some examples of the invention, the processing method of flexible glass plate may further include to the part to be measured
It anneals, then cools down the part to be measured.It is possible thereby to the stress of the part to be measured be eliminated, to not only can be further improved
The rigidity of the part to be measured, and the part to be measured can be prevented broken.
Preferably, which can carry out -40 minutes 5 minutes under the annealing point temperature of the part to be measured.That is,
Under the annealing point temperature of the part to be measured, annealing in -40 minutes 5 minutes is carried out to the part to be measured.Wherein, the annealing point temperature
Be uniform glass fibre (such as the diameter of the glass fibre can be 0.65 millimeter) under the action of certain weight with 4
The speed of degrees celsius/minute cools down, and temperature when glass fibre elongation speed reaches 0.14 mm/min is exactly glass
Annealing point temperature.
After the annealing, the part cooled to room temperature to be measured, the room temperature can be can be 15 degrees Celsius to 30 and taken the photograph
Family name's degree.
After the part to be measured is naturally cooled, the end face of the free end of the U-shaped part to be measured can be polished.Thus may be used
So that the free end of the part to be measured is preferably resisted against on mandril.Specifically, the end face of the second end of first flat part
It can be smoothed, the end face of the second end of second flat part can be smoothed.
This, which is polished, refers to: the end face of the second end of a. first flat part itself be it is flat, the of second flat part
The end face of two ends itself is flat；B. the second end of the end face of the second end of first flat part and second flat part
It each of the end face in portion can be vertical with the length direction of the part to be measured；C. the end of the second end of first flat part
The end face of the second end of face and second flat part is in the same plane.
Table 1 lists the ingredient and its proportion that A formula, B formula and C are formulated three kinds of glass bars.
Table 1
The softening temperature of the glass of A formula is 895 degrees Celsius, and the annealing point temperature of the glass of A formula is 752 degrees Celsius；
The softening temperature of the glass of B formula is 877 degrees Celsius, and the annealing point temperature of the glass of A formula is 735 degrees Celsius；C formula
The softening temperature of glass is 858 degrees Celsius, and the annealing point temperature of the glass of A formula is 715 degrees Celsius.
Table 2 lists the size and thermal expansion coefficient that A formula, B formula and C are formulated three kinds of glass bars, wherein test temperature
It is 50 degrees Celsius -400 degrees Celsius, heating rate is 5 degrees celsius/minutes.
Table 2
Table 3
Table 3 lists the measurement method of the thermal expansion coefficient using flexible glass plate according to an embodiment of the present invention, measurement
Obtained A formula, B formula and C are formulated the thermal expansion coefficient of the part to be measured of three kinds of flexible glass plates.Wherein, the length in table 3,
Width and thickness is length, the width and thickness of the part to be processed of flexible glass plate, and test temperature is 50 degree Celsius -400 and takes the photograph
Family name's degree, heating rate are 5 degrees celsius/minutes.
By table 2 and table 3 it is found that for the part and glass bar to be measured of the flexible glass plate of same recipe, mandril is utilized
The thermal expansion coefficient that method measurement obtains is almost the same.It is possible thereby to prove the heat of flexible glass plate according to an embodiment of the present invention
The measurement result of the measurement method of the coefficient of expansion is accurate, reliable, reproducibility is high.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is merely for convenience of describing
The present invention and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relatively important
Property or implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed
Or implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation "
Equal terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be machine
Tool connection is also possible to be electrically connected or can communicate each other；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements or the interaction relationship of two elements, unless otherwise restricted clearly.For ability
For the those of ordinary skill in domain, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature
But fisrt feature is directly above or diagonally above the second feature above the second feature " above ", " above " and " above ", or only table
Show that first feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
Fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of processing method of flexible glass plate, which comprises the following steps:
Part to be processed is intercepted from the flexible glass plate, the part to be processed is rectangular-shape, wherein described to be processed
Partial length is more than or equal to the first preset value and is less than or equal to the second preset value, and the width of the part to be processed is more than or equal to
Third preset value and be less than or equal to the 4th preset value；With
The part to be processed is processed, to obtain the part to be measured at least three against end.
2. the processing method of flexible glass plate according to claim 1, which is characterized in that the part to be measured is U-shaped, V-type
Or W type, it is preferable that the part to be measured be it is U-shaped, the curved portion of the part to be measured is described against end, the part to be measured from
It is described against end by end, the end face of the free end of the part to be measured is smoothed.
3. the processing method of flexible glass plate according to claim 1 or 2, which is characterized in that along the part to be processed
Length direction the part to be processed is processed, length direction and the part to be processed so as to the part to be measured
Length direction is consistent, and the part to be measured has opposite in its longitudinal direction the first side and second side, and described at least three support
Be located at the first side of the part to be measured by a part of end, described at least three rest parts against end be located at it is described to
Survey the first side of part.
4. the processing method of flexible glass plate according to claim 1, which is characterized in that the length of the part to be processed
More than or equal to 2 centimetres and be less than or equal to the width of 6 centimetres and/or the part to be processed more than or equal to 0.5 centimetre and be less than etc.
In 4 centimetres, it is preferable that the length of the part to be processed is more than or equal to 3 centimetres and less than or equal to 5 centimetres and/or described to be added
The width of the Ministry of worker point is more than or equal to 1 centimetre and is less than or equal to 3 centimetres.
5. the processing method of flexible glass plate according to claim 1, which is characterized in that under preset temperature to it is described to
Processing part carries out the processing, it is preferable that the difference of the preset temperature and the softening temperature of the part to be processed greater than etc.
In 10 degrees Celsius and it is less than or equal to 50 degrees Celsius.
6. the processing method of flexible glass plate according to claim 5, which is characterized in that when the processing is persistently preset
Between, it is preferable that the preset time is more than or equal to 1 minute and is less than or equal to 10 minutes.
7. the processing method of flexible glass plate according to claim 1, which is characterized in that carry out described add using mold
Work, it is preferable that the mold is that the alumina die of inverted U and/or the surface roughness of the mold are less than or equal to 7 microns,
It is further preferred that the surface roughness of the mold is less than or equal to 6.3 microns.
8. the processing method of flexible glass plate according to claim 1, which is characterized in that further comprise to described to be measured
Part is annealed, and the part to be measured is then cooled down, it is preferable that the part cooled to room temperature to be measured, the room temperature are taken the photograph for 15
Family name's degree is to 30 degrees Celsius.
9. the processing method of flexible glass plate according to claim 8, which is characterized in that the annealing is in the part to be measured
Annealing point temperature under carry out -40 minutes 5 minutes.
10. a kind of measurement method of the thermal expansion coefficient of flexible glass plate, which comprises the following steps:
The flexible glass plate is carried out using the processing method of flexible glass plate according to claim 1 to 9
Processing, to obtain part to be measured；With
The thermal expansion coefficient of the part to be measured is measured using mandril method.
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| CN201810418335.3A CN108982176B (en) | 2018-05-04 | 2018-05-04 | Method for processing flexible glass plate and method for measuring thermal expansion coefficient |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213353A (en) * | 2020-09-09 | 2021-01-12 | 中国科学院金属研究所 | Method for testing linear expansion coefficient |
| CN113203767A (en) * | 2020-12-22 | 2021-08-03 | 湖北新华光信息材料有限公司 | Glass annealing temperature range testing method |
| CN115348737A (en) * | 2022-08-12 | 2022-11-15 | 江苏迪飞达电子有限公司 | Preparation method of double-sided thick copper-aluminum-based mixed pressing plate |
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