CN107188592A - A kind of application of ceramic whisker - Google Patents
A kind of application of ceramic whisker Download PDFInfo
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- CN107188592A CN107188592A CN201710411515.4A CN201710411515A CN107188592A CN 107188592 A CN107188592 A CN 107188592A CN 201710411515 A CN201710411515 A CN 201710411515A CN 107188592 A CN107188592 A CN 107188592A
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- Prior art keywords
- whisker
- ceramic
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- ceramic whisker
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- C04B35/806—
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/56—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides
- C04B35/565—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbides or oxycarbides based on silicon carbide
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6581—Total pressure below 1 atmosphere, e.g. vacuum
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Products (AREA)
Abstract
The invention discloses a kind of application of ceramic whisker, specifically ceramic whisker is application of the matrix material on manufacture structural ceramics part as major ingredient, wherein, among the raw material of manufacture structural ceramics part, the mass percent of the ceramic whisker need to be more than 50%.The intensity of the ceramic structures material of preparation can higher, material toughness it is more preferable；When the mass percent of ceramic whisker raw material is 100%, enhancing, toughness reinforcing reach maximum efficiency；Manufacture method is reliable, and ceramic structures material property is more stable；Suitable for manufacture high performance requirements, the ceramic part of the Aeronautics and Astronautics engine of high-quality requirement；It is easy to ensure quality, realizes mass production.
Description
Technical field
The present invention relates to the technical field of structural ceramics part manufacture, a kind of application of ceramic whisker is referred in particular to.
Background technology
Ceramic whisker has excellent mechanical performance, heat resistance, corrosion resistance and high temperature oxidation resistance, with matrix material
Material has good compatibility, it has also become the main enhancing of all kinds of high-performance composite materials, toughener, is widely used as metal, modeling
The composite of material, ceramics.The composite of SiC whisker reinforcements can development and application in aviation, military affairs, mining and metallurgy, chemical industry, automobile,
The fields such as sports equipment, cutting element, nozzle, high temperature resistant component.Crystal whisker excess weld metal silicon nitride ceramic matric composite has excellent
Physical and mechanical property, except various wear-resisting, high temperature resistants, corrosion resistant can be also can be widely used in addition to the parts as engine
Erosion, shock resistance occasion, have broad prospects.Cutting tool, stone material saw, weaving cutter, sandblasting nozzle, high temperature resistant extrusion die,
Sealing ring, plate armour etc. have the very big market demand.The entitled crystal whisker toughened base titanium carbonitride bites of SiC
Piece and preparation method thereof, Application No. CN200710034792.4 is brilliant using SiC using titanium carbonitride [Ti (CN)] as principal phase
It must be reached as toughener, using metallic binding phase and carbide hard phase as additive, the vacuum-sintering after mixed-forming
To complete densification.Ceramic base composite plate of entitled a kind of SiC whisker reinforcements and preparation method thereof, application number
CN201410391803.4, a kind of ceramic base composite plate of SiC whisker reinforcements and preparation method thereof, the ceramics of SiC whisker reinforcements
Base composite plate includes inorganic ceramic powder base material, and chemical vapor infiltration (CVI)-SiC whiskers, SiC whiskers are embedded in ceramic base material
It is interior, and combined closely with ceramic base material, inorganic ceramic powder base material volume fraction is 60%~80%, chemical vapor infiltration
(CVI)-SiC whiskers are 20%~40%.Inorganic ceramic powder base material is carborundum, silicon nitride, boron nitride, carbonization
Boron, ceramic powder particle size is 10~100um.Ceramics preparative body is prepared using gel casting, with reference to chemical vapor infiltration
(CVI) in precast body growth inside SiC whiskers, it is densified ceramics preparative body.A kind of entitled high-strength carborundum whisker
Strengthen ceramics and preparation method thereof, application number:CN201410674730.X, is made up of the raw material of following parts by weight：Calcite 9-
12nd, magnesia 4-5, quartz 7-9, zirconium oxide 65-70, silicon nitride 18-25, nano zine oxide 5-7, silicon carbide whisker 20-30, lithium
Porcelain stone 4-6, sodium carbonate 1-2, polyvinylpyrrolidone 0.6-0.9, polyacrylic acid 1-1.5, polyethylene glycol 1.2-1.6, wear-resistant help
Agent 4-5.Above-mentioned formula is all that, using other materials as Main Components, silicon carbide whisker is accounted for as enhancing, toughness reinforcing phase, silicon carbide whisker
Mass percent is less than 50%.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of application of ceramic whisker so that manufacture
Structural ceramics part have the higher strength of materials and toughness.
To achieve the above object, technical scheme provided by the present invention is：A kind of application of ceramic whisker, is specifically ceramics
Whisker is application of the matrix material on manufacture structural ceramics part as major ingredient, wherein, in the raw material of manufacture structural ceramics part
Central, the mass percent of the ceramic whisker need to be more than 50% and less than or equal to 100%.
The ceramic whisker is group more than one or both of silicon carbide whisker, silicon nitride crystal whisker, alumina whisker
Close.
The present invention compared with prior art, has the following advantages that and beneficial effect：
1st, the performance of the structural ceramics part prepared is more stable, and intensity can be higher, and toughness is more preferable.
2nd, when the mass percent of ceramic whisker raw material is 100%, enhancing, toughness reinforcing reach maximum efficiency.
4th, suitable for manufacture high performance requirements, the ceramic part of the Aeronautics and Astronautics engine of high-quality requirement.
5th, it is easy to ensure quality, realizes mass production.
Embodiment
With reference to multiple specific embodiments, the invention will be further described.
Embodiment 1
The application of ceramic whisker described in the present embodiment, specifically ceramic whisker are that matrix material is tied in manufacture as major ingredient
Application on structure ceramic part, wherein, among the raw material of manufacture structural ceramics part, the mass percent of the ceramic whisker is needed
More than 50%, when the mass percent of ceramic whisker is 100%, raw material constitute then all ceramic whiskers, if ceramic whisker
Mass percent be more than 50% and less than 100%, then among raw material in addition to ceramic whisker, remaining is ceramic powder material.
In actual production, the ceramic whisker can be one or both of silicon carbide whisker, silicon nitride crystal whisker, alumina whisker
Combination above.
When manufacturing structural ceramics part, detailed process is：After raw material are mixed, conveying is placed in mould, by applying
The hole that pressure is eliminated between raw material makes raw material be densified as far as possible, and sintering makes raw material have combination as high as possible
Intensity, manufacture obtains the structural ceramics part that ceramic whisker is matrix material.
We are described further in case of the mass percent of beta-type silicon carbide ceramic whisker is 60% below,
It is specific as follows：
The mass percent of the beta-type silicon carbide ceramic whisker used is 60%, and remaining is silicon carbide ceramics dusty material, will
After the two kinds of raw material mixing of beta-type silicon carbide ceramic whisker and silicon carbide ceramics powder, quantitatively it is fitted into and is placed in mould, pass through pressure
Machine is suppressed, and raw material is realized high densification as far as possible, obtains compacting blank, then be placed in sintering in vacuum sintering furnace.Due to β types
The mass percent of silicon carbide ceramics whisker is 60%, is material of main part, and the material prepared is beta-type silicon carbide ceramic whisker
The composite ceramic material of matrix and silicon carbide ceramics powder, the strength of materials, the impact flexibility of material are higher than with silicon carbide ceramics powder
End is the silicon carbide ceramics powdered base ceramic material of material of main part.
Embodiment 2
The mass percent of the beta-type silicon carbide ceramic whisker of the present embodiment is 80% as different from Example 1.
Embodiment 3
The mass percent of the beta-type silicon carbide ceramic whisker of the present embodiment is 70% as different from Example 1.
Embodiment 4
The mass percent of the beta-type silicon carbide ceramic whisker of the present embodiment is 90% as different from Example 1.
Embodiment 5
The mass percent of the beta-type silicon carbide ceramic whisker of the present embodiment is 100% as different from Example 1.
Embodiment 6
The ceramic whisker of the present embodiment is silicon nitride crystal whisker as different from Example 1.
Embodiment 7
The ceramic whisker of the present embodiment is alumina whisker as different from Example 1.
Embodiment 8
The present embodiment agglomerated material while pressure is applied, is carried out hot-forming as different from Example 1.
Embodiment 9
The present embodiment uses in injection molding process, formula for raw stock and adds stream as different from Example 1
Resin adhesive is first removed before the resin adhesive that dynamic shaping needs, sintering.
Examples of implementation described above are only the preferred embodiments of the invention, and the implementation model of the present invention is not limited with this
Enclose, therefore the change that all shape, principles according to the present invention are made, it all should cover within the scope of the present invention.
Claims (2)
1. a kind of application of ceramic whisker, it is characterised in that：As major ingredient it is matrix material in manufacture structure pottery for ceramic whisker
Application in porcelain piece, wherein, among the raw material of manufacture structural ceramics part, the mass percent of the ceramic whisker need to be more than
50% and less than or equal to 100%.
2. a kind of application of ceramic whisker according to claim 1, it is characterised in that：The ceramic whisker is silicon carbide whisker
Combination more than one or both of palpus, silicon nitride crystal whisker, alumina whisker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411515.4A CN107188592A (en) | 2017-06-05 | 2017-06-05 | A kind of application of ceramic whisker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411515.4A CN107188592A (en) | 2017-06-05 | 2017-06-05 | A kind of application of ceramic whisker |
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| Publication Number | Publication Date |
|---|---|
| CN107188592A true CN107188592A (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710411515.4A Pending CN107188592A (en) | 2017-06-05 | 2017-06-05 | A kind of application of ceramic whisker |
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| Country | Link |
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| CN (1) | CN107188592A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645726A (en) * | 2020-12-24 | 2021-04-13 | 武汉理工大学 | Silicon carbide whisker ceramic with typical long particle morphology and rich in stacking faults and twin crystals and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724034A (en) * | 2013-07-23 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Silicon carbide whisker reinforced silicon nitride ceramic composite material and preparation method thereof |
| CN105585324A (en) * | 2014-10-21 | 2016-05-18 | 庄小侃 | Whisker toughened and reinforced carbon-ceramic composite material |
| CN105777165A (en) * | 2016-03-17 | 2016-07-20 | 合肥晨煦信息科技有限公司 | Ceramic-based composite material |
-
2017
- 2017-06-05 CN CN201710411515.4A patent/CN107188592A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103724034A (en) * | 2013-07-23 | 2014-04-16 | 太仓派欧技术咨询服务有限公司 | Silicon carbide whisker reinforced silicon nitride ceramic composite material and preparation method thereof |
| CN105585324A (en) * | 2014-10-21 | 2016-05-18 | 庄小侃 | Whisker toughened and reinforced carbon-ceramic composite material |
| CN105777165A (en) * | 2016-03-17 | 2016-07-20 | 合肥晨煦信息科技有限公司 | Ceramic-based composite material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112645726A (en) * | 2020-12-24 | 2021-04-13 | 武汉理工大学 | Silicon carbide whisker ceramic with typical long particle morphology and rich in stacking faults and twin crystals and preparation method thereof |
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Application publication date: 20170922 |