CN104230363A - Carbon-containing fiber false tooth green body and manufacturing method thereof - Google Patents
Carbon-containing fiber false tooth green body and manufacturing method thereof Download PDFInfo
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- CN104230363A CN104230363A CN201410464513.8A CN201410464513A CN104230363A CN 104230363 A CN104230363 A CN 104230363A CN 201410464513 A CN201410464513 A CN 201410464513A CN 104230363 A CN104230363 A CN 104230363A
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Abstract
The invention belongs to the field of false tooth processing and preparing and particularly relates to a carbon-containing fiber false tooth green body and a manufacturing method thereof. The carbon-containing fiber false tooth green body consists of the following raw materials in percentage by weight: 12-15% of carbon fiber, 72-75% of zirconium dioxide and 12-14% of aluminum oxide. The manufacturing method of the carbon-containing fiber false tooth green body comprises the following steps: crushing the raw materials by virtue of a pulverizer; ultrasonically treating the pulverized raw materials by virtue of an ultrasonic crusher; adding a binder into the material mixture, then, stirring the mixture by virtue of a stirring container; and drying and vacuumizing; and placing the obtained particles into a mould in a hot pressing furnace to preserve heat and pressure, thus obtaining the carbon-containing fiber false tooth green body after cooling to the room temperature. The carbon-containing fiber false tooth green body disclosed by the invention is light in weight, good in mechanical strength, strong in acid corrosion resistance. And the manufacturing method is simple and easy to implement, and strong in operability.
Description
The application is the divisional application of application number 201310504791.7, October 23 2013 applying date, denomination of invention " a kind of carbon fiber-containing false tooth blanks and preparation method thereof ".
Technical field
The invention belongs to artificial tooth processing preparation field, particularly a kind of carbon fiber-containing false tooth blanks and preparation method thereof.
Background technology
At present, the material of high-grade artificial tooth mainly contains ceramic composite, precious metal alloys material, polymer composite etc.Wherein, precious metal alloys material weight is larger, and expensive, and ordinary consumer holds dares not accept; The strength ratio of ceramic composite and macromolecular material is poor, and corrosion resistance is also a bit weaker.
Carbon fiber is a kind of high-temperature fibre with very high strength and modulus, its proportion is less than 1/4 of steel, and carbon fiber resin composite material tensile strength is general all at more than 3500MPa, is 7-9 times of steel, tensile modulus of elasticity is 23000-43000MPa, also higher than steel.Axial strength and the modulus of carbon fiber are high, and without creep, resistance to fatigue is good, and specific heat and electroconductibility are between nonmetal and metal, and thermal expansivity is little, good corrosion resistance, and the density of fiber is low.The various aspects of performance of carbon fiber is all excellent than polymer composite, metal-base composites and ceramic matric composite, and the premium properties of carbon fiber is applicable to very much doing artificial tooth.
Summary of the invention
The present invention is directed to the deficiency that above-mentioned prior art exists, provide a kind of carbon fiber-containing false tooth blanks and preparation method thereof.This kind of false tooth blanks have lightweight, physical strength good, strong corrosion resistant performance.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of containing carbon fiber false tooth blanks, the weight part ratio of its constitutive material is: carbon fiber 12-15%, zirconium dioxide 72-75% and aluminium sesquioxide 12-14%.
A making method containing carbon fiber false tooth blanks, comprises the steps:
(1) pulverize with the compound of pulverizing mill by carbon fiber, zirconium dioxide and aluminium sesquioxide, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), tackiness agent is added, stirred vessel is utilized to stir 3-4 hour afterwards, break into slurry, again slurry drying equipment is carried out drying 20 minutes, vacuumize time dry, vacuum tightness is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) particle in step (3) is put into mould, then mould is put into hot pressing furnace, in-furnace temperature controls at 1000-1200 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with hot pressing in-furnace temperature is cooled to room temperature, containing carbon fiber false tooth blanks.
The invention has the beneficial effects as follows: one of the present invention contains carbon fiber false tooth blanks, due to containing its intensity of carbon fiber good, corrosion-resistant might as well, high temperature resistant and relatively light, carbon fiber can well and zirconium dioxide, alchlor mechanical bond.
In order to obtain better effect, above scheme can also do following improvement:
Further, described carbon fiber is carried out surface treatment and dry carbon fiber.
Further, described surface treatment is that liquid-phase oxidation+anodised compound base amount method method carries out electrochemicial oxidation to carbon fiber.Carbon fiber is imported by the deflector roll of pottery temperature is 60 DEG C, concentration is in 5% aqueous nitric acid bath, carbon fiber adds positive voltage, in bath, negative plate is set, and betwixt by the electric current of 1A, about 2 minutes, the above-mentioned carbon fiber through electrochemicial oxidation is washed, and in vacuum drier, temperature is carry out drying treatment at 200 DEG C within 1 minute, to obtain surface treatment and dry carbon fiber.
To carbon fiber carry out oxidized surface process be in order to improve its binding property and and the carbonization phenomenon of metal oxide compound tense, although carbon fiber comparatively speaking erosion resistance is relatively good, but strong corrosion process is imposed to its surface, surface still can corrosion and also internal structure also may be destroyed.After electrochemical treatment being carried out to carbon fiber through adopting liquid-phase oxidation+anodised compound base amount method method, the surface corrosion-resistant erosion of carbon fiber improves, the physical strength of carbon fiber also can play larger effect with other materials compound tense, carry out compound tense with zirconium dioxide, aluminium sesquioxide like this, again the phenomenons such as metallic carbide can not occur.
Further, described tackiness agent is PP tackiness agent.This tackiness agent good corrosion resistance, bounding force are strong, insolublely can not to melt, waterproof, nondiscoloration with metlbond.
Embodiment
Present invention is described below, and example, only for explaining the present invention, is not intended to limit scope of the present invention.
Carbon fiber surface used in the embodiment of the present invention carries out electrochemicial oxidation through liquid-phase oxidation+anodised compound base amount method method to carbon fiber.Carbon fiber is imported by the deflector roll of pottery temperature is 60 DEG C, concentration is in 5% aqueous nitric acid bath, carbon fiber adds positive voltage, in bath, negative plate is set, and betwixt by the electric current of 1A, about 2 minutes, the above-mentioned carbon fiber through electrochemicial oxidation is washed, and in vacuum drier, temperature is carry out drying treatment at 200 DEG C within 1 minute, to obtain surface treatment and dry carbon fiber.
Embodiment 1
A kind of containing carbon fiber false tooth blanks, the weight part ratio of its constitutive material is: carbon fiber 12%, and zirconium dioxide 74% and aluminium sesquioxide 14%, its making method comprises the steps:
(1) pulverize with the compound of pulverizing mill by carbon fiber, zirconium dioxide and aluminium sesquioxide, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), PP tackiness agent is added, stirred vessel is utilized to stir 3 hours afterwards, break into slurry, again slurry drying equipment is carried out drying 20 minutes, vacuumize time dry, vacuum tightness is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) particle in step (3) is put into mould, then mould is put into hot pressing furnace, in-furnace temperature controls at 1200 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with hot pressing in-furnace temperature is cooled to room temperature, containing carbon fiber false tooth blanks.
The bending strength of false tooth blanks is 450Mpa after testing, and volume density is 1.3g/cm3.
Embodiment 2
A kind of containing carbon fiber false tooth blanks, the weight part ratio of its constitutive material is: carbon fiber 15%, and zirconium dioxide 73% and aluminium sesquioxide 12%, its making method comprises the steps:
(1) pulverize with the compound of pulverizing mill by carbon fiber, zirconium dioxide and aluminium sesquioxide, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), PP tackiness agent is added, stirred vessel is utilized to stir 3.5 hours afterwards, break into slurry, again slurry drying equipment is carried out drying 20 minutes, vacuumize time dry, vacuum tightness is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) particle in step (3) is put into mould, then mould is put into hot pressing furnace, in-furnace temperature controls at 1100 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with hot pressing in-furnace temperature is cooled to room temperature, containing carbon fiber false tooth blanks.
The bending strength of false tooth blanks is 480Mpa after testing, and volume density is 1.1g/cm
3.
Embodiment 3
A kind of containing carbon fiber false tooth blanks, the weight part ratio of its constitutive material is: carbon fiber 15%, and zirconium dioxide 72% and aluminium sesquioxide 13%, its making method comprises the steps:
(1) pulverize with the compound of pulverizing mill by carbon fiber, zirconium dioxide and aluminium sesquioxide, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), PP tackiness agent is added, stirred vessel is utilized to stir 4 hours afterwards, break into slurry, again slurry drying equipment is carried out drying 20 minutes, vacuumize time dry, vacuum tightness is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) particle in step (3) is put into mould, then mould is put into hot pressing furnace, in-furnace temperature controls at 1000 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with hot pressing in-furnace temperature is cooled to room temperature, containing carbon fiber false tooth blanks.
The bending strength of false tooth blanks is 470Mpa after testing, and volume density is 1.2g/cm
3.
Embodiment 4
A kind of containing carbon fiber false tooth blanks, the weight part ratio of its constitutive material is: carbon fiber 13%, and zirconium dioxide 75% and aluminium sesquioxide 12%, its making method comprises the steps:
(1) pulverize with the compound of pulverizing mill by carbon fiber, zirconium dioxide and aluminium sesquioxide, the mixture particle after pulverizing is at 100-200 microns;
(2) compound after step (1) being pulverized with ultrasonic grinder again under 300W power ultrasonic 3 hours, makes mixture particle reach 300-400 nanometers;
(3) in the compound in step (2), PP tackiness agent is added, stirred vessel is utilized to stir 3.5 hours afterwards, break into slurry, again slurry drying equipment is carried out drying 20 minutes, vacuumize time dry, vacuum tightness is 12Pa, and dry disposed slurry becomes the porous particle of 0.1-0.2mm;
(4) particle in step (3) is put into mould, then mould is put into hot pressing furnace, in-furnace temperature controls at 1180 DEG C, pressure remains on 40MPa, heat-insulation pressure keeping 4 hours, along with hot pressing in-furnace temperature is cooled to room temperature, containing carbon fiber false tooth blanks.
The bending strength of false tooth blanks is 460Mpa after testing, and volume density is 1.2g/cm
3.
The foregoing is only several embodiments of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1., containing a carbon fiber false tooth blanks, it is characterized in that the weight part ratio of its constitutive material is: carbon fiber 13-15%, zirconium dioxide 73-75% and aluminium sesquioxide 12%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410464513.8A CN104230363A (en) | 2013-10-23 | 2013-10-23 | Carbon-containing fiber false tooth green body and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410464513.8A CN104230363A (en) | 2013-10-23 | 2013-10-23 | Carbon-containing fiber false tooth green body and manufacturing method thereof |
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| CN201310504791.7A Division CN103524141B (en) | 2013-10-23 | 2013-10-23 | Carbon-fiber-containing false tooth green body and manufacturing method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489518A (en) * | 2006-06-30 | 2009-07-22 | 斯蒂克技术公司 | Fiber-reinforced composites and method for the manufacture thereof |
| CN102232907A (en) * | 2010-04-28 | 2011-11-09 | 国立台北科技大学 | Composite bioceramic material with biological activity, tooth root implant body and preparation method thereof |
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- 2013-10-23 CN CN201410464513.8A patent/CN104230363A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489518A (en) * | 2006-06-30 | 2009-07-22 | 斯蒂克技术公司 | Fiber-reinforced composites and method for the manufacture thereof |
| CN102232907A (en) * | 2010-04-28 | 2011-11-09 | 国立台北科技大学 | Composite bioceramic material with biological activity, tooth root implant body and preparation method thereof |
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Application publication date: 20141224 |