CN107188561A - A kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder - Google Patents
A kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder Download PDFInfo
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- CN107188561A CN107188561A CN201710527124.9A CN201710527124A CN107188561A CN 107188561 A CN107188561 A CN 107188561A CN 201710527124 A CN201710527124 A CN 201710527124A CN 107188561 A CN107188561 A CN 107188561A
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Abstract
The invention discloses a kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder, including base starting material and auxiliary agent, wherein base starting material is included in parts by weight：65 80 parts of zirconium oxide, 5 10 parts of aluminum oxide, 57 parts of kaolin, 36 parts of lithium feldspar, 38 parts of alkaline earth metal carbonate, 0 0.5 parts of rare-earth oxide, 48 parts of basalt fibre, sub- 3.5 7.5 parts of nanometer spherical silicon powder；Wherein auxiliary agent raw material is included in parts by weight：35 parts of sodium metasilicate, 0.5 2 parts of ethylene glycol monobutyl ether, 12 parts of barium hydroxide, 13 parts of carboxymethyl cellulose, 0.5 1.5 parts of polyethylene fibre, 1.2 2 parts of potassium sulfate, 1.5 3 parts of lauryl sodium sulfate.This invention takes the elasticity and structural mechanical property that a variety of toughness enhancements improve ceramics, particularly sub- nanometer spherical silicon powder improves the degree of compacting of ceramic substrate, makes it have sufficiently high toughness, intensity, hardness and anti-wear performance.
Description
Technical field
The present invention relates to technical field of nano material, more particularly to a kind of high tenacity containing sub- nanometer spherical silicon powder are compound
Ceramics.
Background technology
Ceramic material is widely used, and also vigorous carry out gets up composite ceramics at home at present.Can be by being directed to
Add the compound of some elements and/or they to adjust purposes predetermined in either case to property.For example aluminum oxide and
Zirconium oxide is ceramic material, and these materials especially individually or are in combination with one another processed into cutting element, catalyst carrier or vacation
Body.But ceramics are due to the fragility of itself, make its bend resistance ability and elastic strength not as people's will, it is necessary to its toughness reinforcing, with
Obtain good resultant effect.
Silicon powder is just made for after carrying out mechanical crushing processing with quartz mine.It is divided into again：Melt silicon powder and silicon metal
Micro mist.Subnano-class ball-shaped silicon micro powder refers to：Particle diameter is between 30~900nm.Due to nanometer（1~20nm）Silicon powder（Conductor）
With silicon powder（Insulator）Surface physical and chemical performance it is entirely different, so application field is also different.Because ball-shaped silicon micro powder is different
In angle powder shape silicon powder, its good fluidity is small to object table bulk damage, and has valency again relative to thinner nano silicon micronization
Lattice cost advantage.Therefore sub-nano silica micro mist is widely used in the fields such as plastic packaging material, organosilicon, coating, ink, ceramics, material for repairing.
The content of the invention
It is an object of the invention to provide a kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder, cause is effectively formed
The composite ceramic structures of close, high tenacity, high intensity, to overcome problems of the prior art.
In order to realize the above object the technical scheme is that：
A kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder, including base starting material and auxiliary agent, the base starting material bag
Component containing following parts by weight：
65-80 parts of zirconium oxide
5-10 parts of aluminum oxide
5-7 parts of kaolin
3-6 parts of lithium feldspar
3-8 parts of alkaline earth metal carbonate
0-0.5 parts of rare-earth oxide
4-8 parts of basalt fibre
Sub- 3.5-7.5 parts of nanometer spherical silicon powder；
The auxiliary agent includes the component of following parts by weight：
3-5 parts of sodium metasilicate
0.5-2 parts of ethylene glycol monobutyl ether
1-2 parts of barium hydroxide
1-3 parts of carboxymethyl cellulose
0.5-1.5 parts of polyethylene fibre
1.2-2 parts of potassium sulfate
1.5-3 parts of lauryl sodium sulfate.
Preferably, the particles size and distribution of the sub- nanometer spherical silicon powder is：Particle diameter is in interval 230 ~ 450nm scopes
Interior ratio is more than 99%, and average grain diameter is in below 360nm.
Preferably, the alkaline earth metal carbonate is one kind in calcium carbonate, strontium carbonate, barium carbonate or its combination.
Preferably, the basalt fibre average diameter is in 5-10 μm, length 3-12mm.
Preferably, the rare-earth oxide includes yittrium oxide and lanthanide oxide.
The beneficial effects of the present invention are：Inventive formulation is simple, it is good that ceramic performance is made.Zirconium oxide and aluminum oxide conduct
Ceramics made from main matrix compare flexible, kaolin, lithium feldspar, alkaline earth metal carbonate increase filling aluminosilicate in itself
Composition promotes fusion；Basalt fibre strengthens overall structure mechanical property；Rare-earth oxide lifts combination property；Sub- nanometer
Ball-shaped silicon micro powder, and the granularity of sub- nanometer spherical silicon powder improve system consistency, make its fusion closer；Auxiliary agent is beneficial to pottery
The optimization of porcelain sintering process.It is special this invention takes the elasticity and structural mechanical property that a variety of toughness enhancements improve ceramics
It is not the degree of compacting that sub- nanometer spherical silicon powder improves ceramic substrate, makes it have sufficiently high toughness, intensity, hardness and resistance to
Grind performance.
Embodiment
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, letter will be made to embodiment below
Singly introduce.
Embodiment 1
A kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder, including base starting material and auxiliary agent, the base starting material bag
Component containing following parts by weight：
69 parts of zirconium oxide
7 parts of aluminum oxide
6 parts of kaolin
4.5 parts of lithium feldspar
6 parts of alkaline earth metal carbonate
0.05 part of rare-earth oxide
5 parts of basalt fibre
Sub- 3.5 parts of nanometer spherical silicon powder；
The auxiliary agent includes the component of following parts by weight：
5 parts of sodium metasilicate
0.5 part of ethylene glycol monobutyl ether
2 parts of barium hydroxide
1 part of carboxymethyl cellulose
1 part of polyethylene fibre
1.2 parts of potassium sulfate
2 parts of lauryl sodium sulfate；
The particles size and distribution of the sub- nanometer spherical silicon powder is：Ratio of the particle diameter in the range of 230 ~ 450nm of interval exceedes
99%, and average grain diameter is in below 360nm；The alkaline earth metal carbonate is the mixture of calcium carbonate and strontium carbonate, and its material
Amount ratio 2:1；The basalt fibre average diameter is in 5-10 μm, length 3-12mm；The rare-earth oxide includes
Yittrium oxide and lanthanide oxide.
Experiment proves that ceramics toughness, intensity, shock resistance, scratch resistance, anticorrosive property are all good made from this example.
Embodiment 2
A kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder, including base starting material and auxiliary agent, the base starting material bag
Component containing following parts by weight：
80 parts of zirconium oxide
10 parts of aluminum oxide
5 parts of kaolin
3 parts of lithium feldspar
3 parts of alkaline earth metal carbonate
0.2 part of rare-earth oxide
4 parts of basalt fibre
Sub- 7.5 parts of nanometer spherical silicon powder；
The auxiliary agent includes the component of following parts by weight：
3 parts of sodium metasilicate
1.2 parts of ethylene glycol monobutyl ether
1.5 parts of barium hydroxide
2 parts of carboxymethyl cellulose
1.5 parts of polyethylene fibre
1.5 parts of potassium sulfate
1.5 parts of lauryl sodium sulfate；
The particles size and distribution of the sub- nanometer spherical silicon powder is：Ratio of the particle diameter in the range of 230 ~ 450nm of interval exceedes
99%, and average grain diameter is in below 360nm；The alkaline earth metal carbonate be calcium carbonate, strontium carbonate, the mixture of barium carbonate, its
The amount ratio 1 of material:1.5:1；The basalt fibre average diameter is in 5-10 μm, length 3-12mm；The rare earth metal oxygen
Compound includes yittrium oxide and lanthanide oxide.
Experiment proves that ceramics toughness, intensity, shock resistance, scratch resistance, anticorrosive property are all good made from this example.
Embodiment 3
A kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder, including base starting material and auxiliary agent, the base starting material bag
Component containing following parts by weight：
65 parts of zirconium oxide
5 parts of aluminum oxide
7 parts of kaolin
6 parts of lithium feldspar
8 parts of alkaline earth metal carbonate
0.5 part of rare-earth oxide
8 parts of basalt fibre
Sub- 5 parts of nanometer spherical silicon powder；
The auxiliary agent includes the component of following parts by weight：
4 parts of sodium metasilicate
2 parts of ethylene glycol monobutyl ether
1 part of barium hydroxide
3 parts of carboxymethyl cellulose
0.5 part of polyethylene fibre
2 parts of potassium sulfate
3 parts of lauryl sodium sulfate；
The particles size and distribution of the sub- nanometer spherical silicon powder is：Ratio of the particle diameter in the range of 230 ~ 450nm of interval exceedes
99%, and average grain diameter is in below 360nm；The alkaline earth metal carbonate is the amount ratio mixing of the materials such as strontium carbonate, barium carbonate
Thing；The basalt fibre average diameter is in 5-10 μm, length 3-12mm；The rare-earth oxide includes yittrium oxide and lanthanum
Series elements oxide.
Experiment proves that ceramics toughness, intensity, shock resistance, scratch resistance, anticorrosive property are all good made from this example.
Above example is only to illustrate the preferred technical solution of the present invention, it is noted that for the general of the art
For logical technical staff, under the premise without departing from the principles of the invention, some improvement made or equivalent substitution are accordingly to be regarded as this
The protection domain of invention, should cover in scope of the presently claimed invention.
Claims (5)
1. a kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder, it is characterised in that including base starting material and auxiliary agent,
The base starting material includes the component of following parts by weight：
65-80 parts of zirconium oxide
5-10 parts of aluminum oxide
5-7 parts of kaolin
3-6 parts of lithium feldspar
3-8 parts of alkaline earth metal carbonate
0-0.5 parts of rare-earth oxide
4-8 parts of basalt fibre
Sub- 3.5-7.5 parts of nanometer spherical silicon powder；
The auxiliary agent includes the component of following parts by weight：
3-5 parts of sodium metasilicate
0.5-2 parts of ethylene glycol monobutyl ether
1-2 parts of barium hydroxide
1-3 parts of carboxymethyl cellulose
0.5-1.5 parts of polyethylene fibre
1.2-2 parts of potassium sulfate
1.5-3 parts of lauryl sodium sulfate.
2. a kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder according to claim 1, it is characterised in that institute
The particles size and distribution for stating sub- nanometer spherical silicon powder is：Ratio of the particle diameter in the range of 230 ~ 450nm of interval more than 99%, and
Average grain diameter is in below 360nm.
3. a kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder according to claim 1, it is characterised in that institute
It is one kind in calcium carbonate, strontium carbonate, barium carbonate or its combination to state alkaline earth metal carbonate.
4. a kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder according to claim 1, it is characterised in that institute
Basalt fibre average diameter is stated in 5-10 μm, length 3-12mm.
5. a kind of high tenacity composite ceramics containing sub- nanometer spherical silicon powder according to claim 1, it is characterised in that institute
Stating rare-earth oxide includes yittrium oxide and lanthanide oxide.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112110715A (en) * | 2020-09-24 | 2020-12-22 | 郑州方铭高温陶瓷新材料有限公司 | Zirconium dioxide ceramic stirring paddle applied to boron glass solution and processing technology thereof |
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