CN102786307A - Method for manufacturing piezoelectric ceramic fiber - Google Patents
Method for manufacturing piezoelectric ceramic fiber Download PDFInfo
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- CN102786307A CN102786307A CN2012100220430A CN201210022043A CN102786307A CN 102786307 A CN102786307 A CN 102786307A CN 2012100220430 A CN2012100220430 A CN 2012100220430A CN 201210022043 A CN201210022043 A CN 201210022043A CN 102786307 A CN102786307 A CN 102786307A
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- 239000000919 ceramic Substances 0.000 title claims abstract description 68
- 239000000835 fiber Substances 0.000 title claims abstract description 67
- 238000000034 method Methods 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title description 3
- 239000000843 powder Substances 0.000 claims abstract description 17
- 238000005245 sintering Methods 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- 239000000314 lubricant Substances 0.000 claims abstract description 11
- 239000002002 slurry Substances 0.000 claims abstract description 11
- 210000001161 mammalian embryo Anatomy 0.000 claims description 14
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 239000004902 Softening Agent Substances 0.000 claims description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- 239000007864 aqueous solution Substances 0.000 claims description 9
- 238000001035 drying Methods 0.000 claims description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 7
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 6
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052746 lanthanum Inorganic materials 0.000 claims description 6
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 6
- 229910052758 niobium Inorganic materials 0.000 claims description 6
- 239000010955 niobium Substances 0.000 claims description 6
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 6
- 229910052712 strontium Inorganic materials 0.000 claims description 6
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 229910052727 yttrium Inorganic materials 0.000 claims description 6
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052726 zirconium Inorganic materials 0.000 claims description 6
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 5
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 4
- 150000004645 aluminates Chemical class 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 150000003016 phosphoric acids Chemical class 0.000 claims description 4
- 229940058015 1,3-butylene glycol Drugs 0.000 claims description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical group [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052788 barium Inorganic materials 0.000 claims description 3
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 3
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 claims description 3
- 235000019437 butane-1,3-diol Nutrition 0.000 claims description 3
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 claims description 3
- 150000002148 esters Chemical class 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- 239000011777 magnesium Substances 0.000 claims description 3
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical group [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229920001223 polyethylene glycol Polymers 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 239000011135 tin Substances 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- 239000003431 cross linking reagent Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 3
- 239000011230 binding agent Substances 0.000 abstract 1
- 239000004014 plasticizer Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 206010016654 Fibrosis Diseases 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000004761 fibrosis Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 125000002524 organometallic group Chemical group 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 235000019353 potassium silicate Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 239000001117 sulphuric acid Substances 0.000 description 2
- 235000011149 sulphuric acid Nutrition 0.000 description 2
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000004111 Potassium silicate Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- PZZYQPZGQPZBDN-UHFFFAOYSA-N aluminium silicate Chemical compound O=[Al]O[Si](=O)O[Al]=O PZZYQPZGQPZBDN-UHFFFAOYSA-N 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- ANBBXQWFNXMHLD-UHFFFAOYSA-N aluminum;sodium;oxygen(2-) Chemical compound [O-2].[O-2].[Na+].[Al+3] ANBBXQWFNXMHLD-UHFFFAOYSA-N 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 229910021538 borax Inorganic materials 0.000 description 1
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- 238000006482 condensation reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 229940093916 potassium phosphate Drugs 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- NNHHDJVEYQHLHG-UHFFFAOYSA-N potassium silicate Chemical compound [K+].[K+].[O-][Si]([O-])=O NNHHDJVEYQHLHG-UHFFFAOYSA-N 0.000 description 1
- 229910052913 potassium silicate Inorganic materials 0.000 description 1
- KVOIJEARBNBHHP-UHFFFAOYSA-N potassium;oxido(oxo)alumane Chemical compound [K+].[O-][Al]=O KVOIJEARBNBHHP-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WUUHFRRPHJEEKV-UHFFFAOYSA-N tripotassium borate Chemical compound [K+].[K+].[K+].[O-]B([O-])[O-] WUUHFRRPHJEEKV-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 239000007966 viscous suspension Substances 0.000 description 1
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- Compositions Of Oxide Ceramics (AREA)
- Inorganic Fibers (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The invention relates to a method for preparing piezoelectric ceramic fibers, which comprises the following steps: mixing piezoelectric ceramic powder, a binder, a cross-linking agent, a lubricant and a plasticizer to form slurry; carrying out extrusion forming on the slurry to form a piezoelectric ceramic fiber green body; and sintering the piezoelectric ceramic fiber blank to form the piezoelectric ceramic fiber.
Description
Technical field
The present invention is relevant with piezoelectric ceramic fibers, the method for making of relevant especially piezoelectric ceramic fibers.
Background technology
So-called piezoelectric effect has two kinds, i.e. direct piezoelectric effect and inverse piezoelectric effect.When piezoelectrics received electric field action, electric dipole moment can be elongated, and piezoelectrics can extend along direction of an electric field, was about to electric energy and converted mechanical energy into.Otherwise, piezoelectrics to be exerted pressure, intravital electric dipole moment can shorten with the compression of material, and be this trend of opposing this moment in the piezoelectrics, will produce voltage to maintain the original state.Therefore, piezoelectric has the characteristic of transition back and forth between mechanical energy and the electric energy.So piezoelectric is used in purposes such as motion sensor, actuator, transmodulator, micropositioner, vibration detection and ultrasound generator widely.
Mostly conventional piezoelectric materials is the bulk pattern, and its quality is hard frangible, and dynamo-electric conversion output is restricted, and has limited to the development utilization of piezoelectric.If can be with the piezoelectric fibrosis; High-aspect-ratio after the fibrosis; Significantly increase its piezoelectric property, sensitivity and electromechanical coupling factor to improve its deformability; Especially the piezoelectric after the fibrosis combines the multiple material of piezoelectricity of snappiness resin material formation can significantly promote its piezoelectricity and mechanical property again, further expands the utilization field of piezoelectric.Recently; There is research to begin with piezoelectric ceramics such as barium titanate (BaTiO3), Pb-based lanthanumdoped zirconate titanates (PZT) fibrosis; Again the collection of filaments and resin dosing equipment are formed the multiple material of fiber, then cut and the multiple material Cheng Fucai thin slice of milled fibre, this multiple material thin slice can be used for making the Thin horn of wide range.
At present, the method for making of existing several ceramic fibers is used in the manufacturing of piezoelectric ceramic fibers.Wherein common sol-gel (sol-gel) method, for example U.S. Pat 5945029, and this method is dissolved in the organo-metallic salt in the organic solvent; Add again that zero(ppm) water makes that the organo-metallic salt is hydrolyzed, condensation reaction forms colloidal sol; Then utilize filator, colloidal sol is squeezed into the colloidal sol fiber with at least one hole; Relend by drying process and change water evaporation contained in the colloidal sol fiber into gelled fibre (giving birth to embryo); And carry out pyrolytic process and fully remove organic solvent contained in the gelled fibre; At last gelled fibre is carried out sintering, process piezoelectric ceramic fibers.The main drawback of this method of manufacture is that complicated steps and the organo-metallic salt that is utilized and organic solvent have toxicity usually.In order to solve the solvent problem, need in technology, to be provided with extraction equipment and follow-up waste gas treatment equipment, thereby increase the complicacy of equipment cost and technology.
In addition; U.S. Pat 6451059 proposes a kind of method (Viscous suspension spinning process of colloidal suspensions spinning; VSSP), at first ceramic powder defibrination in the aqueous solution that contains the silicate interfacial agent is formed slurry, then slurry is poured into and be mixed into mixture in the alkali lye that is dissolved with regenerated fiber each other; Then by filator, mixture poured into solidify in the sulphuric acid soln to make ceramic fiber with 100 holes.The shortcoming of this method is to need to use sulphuric acid solns in a large number, and can cause sulfuric acid to remain in the ceramic fiber and influence the characteristic of ceramic fiber.
In addition, there is proposition to utilize extrusion molding manufactured piezoelectric ceramic fibers.This method is with ceramic powder and sticker and cross-linking agent aqueous solution uniform mixing, to form polymeric colloid.Then, polymeric colloid is given birth to embryo by the extruder extrusion molding to form ceramic fiber.Then, carry out drying and sintering step, promptly form piezoelectric ceramic fibers.Though this method technology is simple, with low cost and can not cause environmental pollution, still have shortcomings such as extruding is difficult, the plasticity-of fiber is not good.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method for making of piezoelectric ceramic fibers, the extrusion molding smoothly of this method for making, and the plasticity-of the piezoelectric ceramic fibers of extruding is good.
For achieving the above object, the present invention provides a kind of method for making of piezoelectric ceramic fibers, and this method for making may further comprise the steps: mix ceramic powder, sticker, linking agent, lubricant and softening agent, to form slurry; Slurry is carried out the extrusion molding step, give birth to embryo to form piezoelectric ceramic fibers; And piezoelectric ceramic fibers is given birth to embryo carry out sintering step, to form piezoelectric ceramic fibers.
Further, said lubricant is USP Kosher or dipropylene glycol.
Further, the weight percent of said lubricant is between 0.5～2.5wt%.
Further, said softening agent is selected from the group that is made up of polyethylene glycol, 1,3 butyleneglycol, 1,4 butyleneglycol and benzene alcohol.
Further, the weight percent of said softening agent is between 0.5～2.5wt%.
Further, said ceramic powder has chemical formula ABO
3Chemical formula ABO
3In, A is lead, barium, lanthanum (lanthanum), strontium (strontium), potassium or lithium, B is titanium, zirconium (zirconium), manganese, cobalt, niobium (niobium), iron, zinc, magnesium, yttrium (yttrium), tin, nickel or tungsten.
Further, the size of said ceramic powder is between 0.1～1.0 micron.
Further, the weight percent of said ceramic powder is between 70～95wt%.
Further, said sticker is Z 150PH, Vinyl Acetate Copolymer alcohol or polyacrylic ester.
Further, the weight percent of said sticker is between 3.5～20wt%.
Further, said linking agent is the aqueous solution of boronic acid containing, borate, phosphoric acid salt, silicate or aluminate.
Further, said linking agent is the aqueous solution of concentration between 0.005～0.05M.
Further, the weight percent of said linking agent is between 0.5～5wt%.
Further, the squeeze pressure of said extrusion molding step is between 1～50kg/cm
2
Further, said piezoelectric ceramic fibers is given birth to the diameter of embryo between 75～1,000 micron.
Further, the temperature of said sintering step is between 1,000～1,300 ℃.
Further, this method for making is carried out drying step before also being included in said sintering step.
Further, the temperature of said drying step is between 80～120 ℃.
Compared to prior art, method for making of the present invention mainly is to utilize to add lubricant and softening agent, extrusion molding smoothly, and the plasticity-of the fiber of extruding is good.It is simple, with low cost and can not cause the advantage of environmental pollution that the present invention has technology, can be applicable to the making of micron order size piezoelectric ceramic fibers or other ceramic fiber.
Description of drawings
Fig. 1 is the schema of the method for making of piezoelectric ceramic fibers in the expression preferred embodiment of the present invention.
Description of reference numerals
100～110 steps
Embodiment
Relevant detailed description of the present invention and technology contents, with the conjunction with figs. explanation as follows, yet appended accompanying drawing is not to be used to limit to the present invention only as illustrative purposes.
Please with reference to Fig. 1, Fig. 1 representes the schema of the method for making of piezoelectric ceramic fibers in the preferred embodiment of the present invention.At first; Please refer to the step 100 among Fig. 1; Use mixer uniform mixing weight percent to be the ceramic powder of 70wt%-95wt%, the sticker of 3.5～20wt%, the cross-linking agent aqueous solution of 0.5～5wt%, the lubricant of 0.5～2.5wt% and the softening agent of 0.5～2.5wt%, to form slurry.
Ceramic powder can have chemical formula ABO
3Chemical formula ABO
3In, A can be lead, barium, lanthanum (lanthanum), strontium (strontium), potassium or lithium, and B can be titanium, zirconium (zirconium), manganese, cobalt, niobium (niobium), iron, zinc, magnesium, yttrium (yttrium), tin, nickel or tungsten.The size that is applicable to the ceramic powder of present embodiment can be between 0.1～1.0 micron, and its weight percent can be between 70～95wt%.
Suitable sticker can be Z 150PH, Vinyl Acetate Copolymer alcohol or polyacrylic ester.The weight percent of sticker can be between 3.5～20wt%.
Linking agent can be the aqueous solution of boronic acid containing, borate, phosphoric acid salt, silicate or aluminate.Borate can comprise Sodium Tetraborate or potassium borate.Phosphoric acid salt can comprise sodium phosphate, potassiumphosphate or manganous phosphate.Silicate can comprise water glass, potassium silicate or pure aluminium silicate.Aluminate can comprise sodium aluminate or potassium aluminate.Linking agent can be the aqueous solution of concentration between 0.005～0.05M, and its weight percent is between 0.5～5wt%.When linking agent is soluble in water, produce charged alkaline hydrated oxide and can form solid netted crosslinked action, simultaneously the ceramic powder bundle is overlayed on wherein, after idiopathic dehydration reaction, form solid netted closely composite structure with sticker.
Suitable lubricant can be USP Kosher or dipropylene glycol, and its weight percent can be between 0.5～2.5wt%.Proper amount of lubricating agent can promote to squeeze type, avoids slurry to be stained with sticking at the inwall and the hole of subsequent step institute use forcing machine.
The group that the optional free polyethylene glycol of softening agent, 1,3 butyleneglycol, 1,4 butyleneglycol and benzene alcohol are formed.The weight percent of softening agent is between 0.5～2.5wt%.An amount of softening agent can improve the plasticity-of the fiber of extruding, to reach required specification.
Then, step 102 utilizes three cylinder machines that powder contained in the slurry is rolled into fine-powder.Then step 104 utilizes forcing machine to carry out extrusion molding, gives birth to embryo with the piezoelectric ceramic fibers that forms required specification.The squeeze pressure of extrusion molding can be between 1～50kg/cm
2The diameter of the living embryo of piezoelectric ceramic fibers can be between 75～1,000 micron.
Then, step 106 is given birth to embryo with fiber and is carried out drying treatment via stoving oven, removes fiber and gives birth to contained moisture in the embryo.The temperature of drying step is between 80～120 ℃.
Then, step 108 is given birth on the embryo surface at dried fiber and is applied zirconium powder, increases the surface abrasion resistance degree, and places it in and put into crucible on the aluminum oxide substrate again.
Then step 110 will be positioned over fiber in the crucible and give birth to embryo and become fibrous finished product after via the sintering oven sintering.The temperature of sintering step can be between 1,000～1,300 ℃.
The above is merely specifying of preferred embodiment of the present invention, is not that other any equivalent transformation all should belong to the application's claim scope in order to limitation protection scope of the present invention.
Claims (18)
1. the method for making of a piezoelectric ceramic fibers is characterized in that, this method for making may further comprise the steps:
Mix ceramic powder, sticker, linking agent, lubricant and softening agent, to form slurry;
This slurry is carried out the extrusion molding step, give birth to embryo to form piezoelectric ceramic fibers; And
This piezoelectric ceramic fibers is given birth to embryo carry out sintering step, to form piezoelectric ceramic fibers.
2. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, said lubricant is USP Kosher or dipropylene glycol.
3. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, the weight percent of said lubricant is between 0.5～2.5wt%.
4. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, said softening agent is selected from the group that is made up of polyethylene glycol, 1,3 butyleneglycol, 1,4 butyleneglycol and benzene alcohol.
5. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, the weight percent of said softening agent is between 0.5～2.5wt%.
6. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, said ceramic powder has chemical formula ABO
3Chemical formula ABO
3In, A is lead, barium, lanthanum (lanthanum), strontium (strontium), potassium or lithium, B is titanium, zirconium (zirconium), manganese, cobalt, niobium (niobium), iron, zinc, magnesium, yttrium (yttrium), tin, nickel or tungsten.
7. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, the size of said ceramic powder is between 0.1～1.0 micron.
8. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, the weight percent of said ceramic powder is between 70～95wt%.
9. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, said sticker is Z 150PH, Vinyl Acetate Copolymer alcohol or polyacrylic ester.
10. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, the weight percent of said sticker is between 3.5～20wt%.
11. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, said linking agent is the aqueous solution of boronic acid containing, borate, phosphoric acid salt, silicate or aluminate.
12. the method for making of piezoelectric ceramic fibers as claimed in claim 11 is characterized in that, said linking agent is the aqueous solution of concentration between 0.005～0.05M.
13. the method for making of piezoelectric ceramic fibers as claimed in claim 11 is characterized in that, the weight percent of said linking agent is between 0.5～5wt%.
14. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, the squeeze pressure of said extrusion molding step is between 1～50kg/cm
2
15. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, said piezoelectric ceramic fibers is given birth to the diameter of embryo between 75～1,000 micron.
16. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, the temperature of said sintering step is between 1,000～1,300 ℃.
17. the method for making of piezoelectric ceramic fibers as claimed in claim 1 is characterized in that, this method for making is carried out drying step before also being included in said sintering step.
18. the method for making of piezoelectric ceramic fibers as claimed in claim 17 is characterized in that, the temperature of said drying step is between 80～120 ℃.
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| TW100117692A TW201247590A (en) | 2011-05-20 | 2011-05-20 | Method for manufacturing piezoelectric ceramic fibers |
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Cited By (4)
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| CN103553593A (en) * | 2013-09-29 | 2014-02-05 | 陈锐群 | Ceramic fiber and its preparation method |
| CN103553596A (en) * | 2013-10-29 | 2014-02-05 | 山东大学 | Preparation method of zirconic acid lanthanum ceramic fiber |
| CN103898632A (en) * | 2012-12-28 | 2014-07-02 | 中国科学院声学研究所 | Method for preparing compact piezoelectric ceramic fibers and compact piezoelectric ceramic fibers |
| CN111548179A (en) * | 2020-06-16 | 2020-08-18 | 刘建恒 | Method for preparing porous silicon carbide ceramic by sintering with phenolic resin as carbon source |
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| CN101429026A (en) * | 2008-10-24 | 2009-05-13 | 江苏大学 | Process for producing type 1-3 PMN-PT piezo-electricity fibrous composite |
| CN101798201A (en) * | 2010-01-19 | 2010-08-11 | 合肥工业大学 | Niobate-based piezoelectric ceramic fiber/polymer 1-3 type composite material and preparation method |
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| CN101429026A (en) * | 2008-10-24 | 2009-05-13 | 江苏大学 | Process for producing type 1-3 PMN-PT piezo-electricity fibrous composite |
| CN101798201A (en) * | 2010-01-19 | 2010-08-11 | 合肥工业大学 | Niobate-based piezoelectric ceramic fiber/polymer 1-3 type composite material and preparation method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103898632A (en) * | 2012-12-28 | 2014-07-02 | 中国科学院声学研究所 | Method for preparing compact piezoelectric ceramic fibers and compact piezoelectric ceramic fibers |
| CN103898632B (en) * | 2012-12-28 | 2016-03-02 | 中国科学院声学研究所 | A kind of preparation method of fine and close piezoelectric ceramic fibers and fine and close piezoelectric ceramic fibers |
| CN103553593A (en) * | 2013-09-29 | 2014-02-05 | 陈锐群 | Ceramic fiber and its preparation method |
| CN103553596A (en) * | 2013-10-29 | 2014-02-05 | 山东大学 | Preparation method of zirconic acid lanthanum ceramic fiber |
| CN103553596B (en) * | 2013-10-29 | 2014-09-10 | 山东大学 | Preparation method of zirconic acid lanthanum ceramic fiber |
| CN111548179A (en) * | 2020-06-16 | 2020-08-18 | 刘建恒 | Method for preparing porous silicon carbide ceramic by sintering with phenolic resin as carbon source |
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| TW201247590A (en) | 2012-12-01 |
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