CN103172265A - High-strength glass fiber and preparation method thereof - Google Patents
High-strength glass fiber and preparation method thereof Download PDFInfo
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- CN103172265A CN103172265A CN2013101217016A CN201310121701A CN103172265A CN 103172265 A CN103172265 A CN 103172265A CN 2013101217016 A CN2013101217016 A CN 2013101217016A CN 201310121701 A CN201310121701 A CN 201310121701A CN 103172265 A CN103172265 A CN 103172265A
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Abstract
The invention relates to high-strength glass fiber. The high-strength glass fiber is prepared from the following components: 53-57wt% of SiO2, 23-26wt% of Al2O3, 11.5-14.5wt% of MgO, 2-4wt% of B2O3, 0.2-1.0wt% of Fe2O3, 0.2-1.0wt% of CeO2, 0.2-0.8wt% of Li2O, 0-1wt% of TiO2, ZrO2, Y2O3 and other compounds, wherein the total weight of the ZrO2, Y2O3 and the other compounds is smaller than 1wt%. The high-strength glass fiber has the advantages that the mechanical performance is good, i.e., the monofilament tensile strength reaches 4540-4720MPa, the modulus of elasticity for tension reaches 85-87MPa, the density of the glass fiber is equivalent to that of E glass, and compared with the traditional E glass fiber, the high-strength glass fiber has the advantages that the monofilament tensile strength is improved by more than 30%, and the modulus of elasticity for tension is improved by more than 18%.
Description
Technical field
The present invention relates to a kind of high strength glass fiber, can be used as the enhancing base material of high performance composite, be widely used in the fields such as wind electricity blade, defence and military.
Background technology
Characteristics such as high strength glass fiber has the characteristics such as intensity is high, modulus is high, temperature tolerance is high, fatigue resistance is good, and the matrix material strengthened with its has that specific tenacity is high, specific modulus is high, fatigue resistance is good, temperature tolerance is high, ageing-resistant, good corrosion resistance, the designability of structure, processability are good so be widely used in defence and military, wind energy, automobile, the numerous areas such as shellproof.The high-strength glass fibre of at present domestic production has two kinds of HS2 and HS4, HS2 is relative, and processing performance is better, its deficiency is monofilament tensile strength 4020MPa, modulus in tension 82.9GPa, performance with external high-strength compare poor, and although HS4 monofilament tensile strength 4600MPa, modulus in tension 86.4GPa are suitable with external high-strength glass fibre, its deficiency is that recrystallization temperature is higher, and processing performance is poor.And the throughput of HS2 and HS4 high strength glass fiber product price low, that production cost causes is high, is difficult to meet the Application Areas that wind energy, automobile etc. are high to cost requirement.
Summary of the invention
An object of the present invention is to solve the deficiency that existing high strength glass fiber exists, disclose that a kind of to have good mechanical properties be that monofilament tensile strength and modulus in tension are good, can be used as the high strength glass fiber of the enhancing base material of high performance composite; Another object of the present invention is to disclose a kind of preparation method who prepares above-mentioned high strength glass fiber.
Technical scheme of the present invention is as follows:
A kind of high strength glass fiber, comprise that following component makes: SiO
253～57wt%, Al
2o
323～26wt%, MgO11.5～14.5wt%, B
2o
32～4wt%, Fe
2o
30.2～1.0wt%, CeO
20.2～1.0wt%, Li
2o0.2～0.8wt%, TiO
20～1wt%, ZrO
2, Y
2o
3and other compound, ZrO
2, Y
2o
3and other total amount of compound is less than 1wt%.
As preferably, comprise that following component makes: SiO
253.5～56wt%, Al
2o
323.5～25.5wt%, MgO12～14wt%, B
2o
32.5～3.5wt%, Fe
2o
30.5～1.0wt%, CeO
20.5～1.0wt%, Li
2o0.4～0.6wt%, TiO
20.2～0.6wt%, ZrO
2, Y
2o
3and other compound, ZrO
2, Y
2o
3and other total amount of compound is less than 1wt%.
A kind of preparation method of high strength glass fiber, make glass by each above-mentioned component melting under 1500 ℃～1550 ℃ temperature condition, melting again under 1450～1500 ℃, and melten glass is drawn into fiber under 1320～1330 ℃ of temperature condition.
As preferably, by each component under 1500 ℃～1550 ℃ temperature condition, melting while stirring, found and within 12 hours, make glass, melting more than 4 hours again under 1450～1500 ℃, after single hole wire-drawing crucible temperature is down to 1320～1330 ℃, start wire drawing, be drawn into the continuous fibre that diameter is 8～9 μ m.
Adopted the high strength glass fiber of technique scheme, SiO
2be the glass network forming agent, its content directly affects strength of glass, modulus, recrystallization temperature, high temperature viscosity etc., along with SiO
2the increase of content, the raising of glass network structural integrity, fibre strength improves, high temperature viscosity improves, recrystallization temperature descends, but the Young's modulus reduction, glass melting temperature and wire-drawing temperature raising cause processing performance to descend; Otherwise, the strength decreased of fiber.SiO in glass fibre of the present invention
2the content optimum value is 54～56wt%; Al
2o
3be the glass network forming agent, its content directly affects strength of glass, modulus, recrystallization temperature, processing performance etc., along with Al
2o
3the increase of content, fibre strength raising, Young's modulus raising, recrystallization temperature raising, glass melting temperature, wire-drawing temperature raising cause processing performance to descend; Otherwise the strength and modulus of fiber reduces, and is difficult to obtain high strength glass fiber.Al in glass fibre of the present invention
2o
3the content optimum value is 24～25.5wt%.MgO is the outer agent of glass network, and appropriate MgO has the effect that reduces the devitrification of glass temperature, improves processing performance and intensity, and too high levels improves on the contrary recrystallization temperature, reduces fibre strength; Too lowly be difficult to play due effect.MgO content optimum value in glass of the present invention is 12～14wt%.B
2o
3in this glass fibre, mainly as fusing assistant, its effect reduces recrystallization temperature, reduces high temperature viscosity, reduces recrystallization temperature, improves glass smelting and fiberizing performance.When content is too low, the DeGrain played; When content is too high, fall low-fiber strength and modulus, be difficult to obtain high strength glass fiber.B in glass of the present invention
2o
3the content optimum value is 2.5～3.5wt%.Fe
2o
3, CeO
2, Li
2o, TiO
2mainly play and flux, clarify, reduce high-temperature viscosity, improve and to found and the fiber-forming process performance Deng metal oxide.In glass fibre of the present invention, the optimum value of these components is Fe
2o
30.5～1.0wt%, CeO
20.5～1.0wt%, Li
2o0.4～0.6wt%, TiO
20.2～0.6wt%.Contain a small amount of ZrO in glass fibre
2, Y
2o
3deng other compound, its total amount is less than 1wt%, can effectively improve the Young's modulus of fiber, improves temperature tolerance and the chemical stability of fiber.
Glass of the present invention can 1500～1550 ℃ under temperature condition, and the pre-assigned glass batch of electricity consumption heating and melting obtains high strength glass.Then glass melting again under 1450～1500 ℃, it is 8～9 μ m continuous fibres that melten glass is drawn into diameter by leting slip a remark of platinum bushing plate under 1320～1330 ℃ of temperature condition.The fiber drawn can need to be made the various glass fiber products such as glasscloth, yarn, band according to the user.
In sum, the advantage of this high strength glass fiber is that good mechanical property is that monofilament tensile strength reaches 4540～4720MPa, modulus in tension reaches 85～87GPa, glass fibre density and E glassy phase are worked as, and compare with the traditional E glass fibre that monofilament tensile strength improves more than 30%, modulus in tension improves more than 18%.The preparation method's of this high strength glass fiber advantage is that forming temperature is 1320～1330 ℃, 1250～1270 ℃ of liquidus temperatures, and production cost is low, is applicable to scale operation.
Embodiment
The embodiment that table 1 is high strength glass fiber of the present invention.
Press a kind of high strength glass fiber shown in table 1, comprise that following component makes: SiO
253～57wt%, Al
2o
323～26wt%, MgO11.5～14.5wt%, B
2o
32～4wt%, Fe
2o
30.2～1.0wt%, CeO
20.2～1.0wt%, Li
2o0.2～0.8wt%, TiO
20～1wt%, more than the total content of above-mentioned oxide compound in high strength glass fiber reaches 99wt%, contain a small amount of ZrO in high strength glass fiber of the present invention
2, Y
2o
3and other compound, ZrO
2, Y
2o
3and other total amount of compound is less than 1wt%.
Embodiment:
Table 1
A kind of preparation method of high strength glass fiber, be hybridly prepared into admixtion by each above-mentioned component, is contained in platinum material crucible, except SiO
2adopting quartz sand is beyond raw mineral materials, all other adopts the oxide compound industrial chemicals, under 1500 ℃～1550 ℃ temperature condition, melting while stirring, found 12 hours, the glass melted is flow on heat-resisting steel sheet and plate, make frit block, get part material piece and put into the single hole wire-drawing crucible, melting more than 4 hours again under 1450～1500 ℃, after single hole wire-drawing crucible temperature is down to 1320～1330 ℃, start wire drawing, adjust drawing speed, making the continuous fibre diameter be drawn into is 8～9 μ m, get the monofilament between small opening and drawing wire machine with special sampler and testing bar, for the monofilament tensile strength test, getting a part of frit block measures for glass density, in addition the material of platinum material crucible is joined in the 100 full platinum wire-drawing crucibles in hole, adjustment crucible bushing temperature to 1320～1330 ℃, adjust drawing speed, draws the precursor of 12Tex left and right, for measuring Young's modulus.
Glass density testing method: adopt suspension method, the weight before and after being immersed in the water with balance; Glass fiber single filament strength detection method: with sampler and testing bar get between small opening and bobbins without frayed single fiber, automatically record strength machine with UTM-11-20 and survey brute force, with measuring microscope, under the condition of 800 x magnifications, measure Fibre diameter.Test condition: strength test, selected staple length 10mm, rate of extension 8mm/min, 22～25 ℃ of envrionment temperatures, humidity 40～55%; Fibre diameter 8～9 μ m; Glass fibre Young's modulus testing method: adopt sonic approach, precursor one end of the 12Tex left and right full platinum wire-drawing crucible drawn is welded on copper core loudspeaker with rosin, the other end is fixed with clip, two point of fixity distances are 100cm, loudspeaker are connected on audio signal generator, measure audio signal generator emission and the frequency that receives signal and reach hour, according to the frequency computation part Young's modulus.
Claims (4)
1. a high strength glass fiber, is characterized in that comprising that following component makes: SiO
253～57wt%, Al
2o
323～26wt%, MgO11.5～14.5wt%, B
2o
32～4wt%, Fe
2o
30.2～1.0wt%, CeO
20.2～1.0wt%, Li
2o0.2～0.8wt%, TiO
20～1wt%, ZrO
2, Y
2o
3and other compound, ZrO
2, Y
2o
3and other total amount of compound is less than 1wt%.
2. a kind of high strength glass fiber according to claim 1, is characterized in that comprising that following component makes: SiO
253.5～56wt%, Al
2o
323.5～25.5wt%, MgO12～14wt%, B
2o
32.5～3.5wt%, Fe
2o
30.5～1.0wt%, CeO
20.5～1.0wt%, Li
2o0.4～0.6wt%, TiO
20.2～0.6wt%, ZrO
2, Y
2o
3and other compound, ZrO
2, Y
2o
3and other total amount of compound is less than 1wt%.
3. the preparation method of a high strength glass fiber, it is characterized in that each component claimed in claim 1 melting under 1500 ℃～1550 ℃ temperature condition is made to glass, melting again under 1450～1500 ℃, melten glass is drawn into fiber under 1320～1330 ℃ of temperature condition.
4. the preparation method of a kind of high strength glass fiber according to claim 3, it is characterized in that each component under 1500 ℃～1550 ℃ temperature condition, melting while stirring, found and within 12 hours, make glass, melting more than 4 hours again under 1450～1500 ℃, after single hole wire-drawing crucible temperature is down to 1320～1330 ℃, start wire drawing, be drawn into the continuous fibre that diameter is 8～9 μ m.
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| CN201310121701.6A CN103172265B (en) | 2013-04-09 | 2013-04-09 | A kind of high strength glass fiber and preparation method thereof |
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| CN201310121701.6A CN103172265B (en) | 2013-04-09 | 2013-04-09 | A kind of high strength glass fiber and preparation method thereof |
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| CN103172265A true CN103172265A (en) | 2013-06-26 |
| CN103172265B CN103172265B (en) | 2015-10-28 |
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Cited By (6)
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|---|---|---|---|---|
| CN104556711A (en) * | 2015-02-03 | 2015-04-29 | 重庆国际复合材料有限公司 | Special-shaped glass fiber and preparation method thereof |
| CN106145687A (en) * | 2016-07-08 | 2016-11-23 | 中国计量大学 | A kind of high strength glass fiber |
| CN106219988A (en) * | 2016-07-08 | 2016-12-14 | 中国计量大学 | A kind of preparation method of high-performance glass fiber |
| CN106493650A (en) * | 2016-10-21 | 2017-03-15 | 吴迪 | A kind of preparation method of obdurability vitrified abrasive |
| US11306021B2 (en) | 2018-11-26 | 2022-04-19 | Owens Coming Intellectual Capital, LLC | High performance fiberglass composition with improved elastic modulus |
| US11524918B2 (en) | 2018-11-26 | 2022-12-13 | Owens Corning Intellectual Capital, Llc | High performance fiberglass composition with improved specific modulus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104556711A (en) * | 2015-02-03 | 2015-04-29 | 重庆国际复合材料有限公司 | Special-shaped glass fiber and preparation method thereof |
| CN106145687A (en) * | 2016-07-08 | 2016-11-23 | 中国计量大学 | A kind of high strength glass fiber |
| CN106219988A (en) * | 2016-07-08 | 2016-12-14 | 中国计量大学 | A kind of preparation method of high-performance glass fiber |
| CN106145687B (en) * | 2016-07-08 | 2018-05-01 | 中国计量大学 | A kind of high strength glass fiber |
| CN106219988B (en) * | 2016-07-08 | 2018-05-22 | 中国计量大学 | A kind of preparation method of high-performance glass fiber |
| CN106493650A (en) * | 2016-10-21 | 2017-03-15 | 吴迪 | A kind of preparation method of obdurability vitrified abrasive |
| US11306021B2 (en) | 2018-11-26 | 2022-04-19 | Owens Coming Intellectual Capital, LLC | High performance fiberglass composition with improved elastic modulus |
| US11524918B2 (en) | 2018-11-26 | 2022-12-13 | Owens Corning Intellectual Capital, Llc | High performance fiberglass composition with improved specific modulus |
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| CN103172265B (en) | 2015-10-28 |
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