CN105130409A - Aluminum oxide ceramic composite liner plate and preparation method thereof - Google Patents
Aluminum oxide ceramic composite liner plate and preparation method thereof Download PDFInfo
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- CN105130409A CN105130409A CN201510538155.5A CN201510538155A CN105130409A CN 105130409 A CN105130409 A CN 105130409A CN 201510538155 A CN201510538155 A CN 201510538155A CN 105130409 A CN105130409 A CN 105130409A
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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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/117—Composites
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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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Abstract
The invention discloses an aluminum oxide ceramic composite liner plate and a preparation method thereof. The aluminum oxide ceramic composite liner plate is prepared from, by mass, 60-90 parts of alumina powder, 50-70 parts of ceramic powder, 5-10 parts of silica powder, 6-12 parts of magnesium oxide powder, 5-8 parts of calcium oxide powder, 2-8 parts of yttrium oxide, 15-25 parts of carbon fiber, 5-10 parts of quartz sand, 8-10 parts of plastic powder, 1-2 parts of acetone,1-3 parts of triethylene dimethyl silane and 0.5-1 part of adhesive. According to the preparation method, the components are evenly mixed and then are stirred, and compression molding, sintering and cooling are performed after stirring. The aluminum oxide ceramic composite liner plate has the advantages of being high in abrasion resistance degree, being non-sticky and being resistant to impact and further has the advantages of being low in porosity, good in abrasion resistance and toughness, easy to process and produce and long in service life.
Description
Technical field
The invention belongs to technical field of composite materials, be specifically related to a kind of aluminium oxide ceramic composite lining board and preparation method thereof.
Background technology
Abrasion-proof backing block, as the core component of dense-medium cyclone, is affixed on dense-medium cyclone inwall with wear resistance adhesive.During swirler work, the mixture of raw coal, dense medium and water and inwall produce frictional wear, and when liner plate is worn to a certain degree or is cracked, abrasion-proof backing block lost efficacy, and caused this accessory to lose efficacy, need change complete machine time serious.The abrasion-proof backing block being often applied to dense-medium cyclone in prior art is corundum, cast iron and urethane etc., and the dense-medium cyclone that urethane is applied to more than diameter of phi 500mm there will be serious damage phenomenon; Also there is short problem in work-ing life in cast iron, can not meet on-the-spot quantity-produced demand when being applied to the dense-medium cyclone of more than diameter of phi 1000mm; Although corundum abrasion-proof backing block effectively can improve dense-medium cyclone life-span short problem, also be the most widely used abrasion-proof backing block of prior art, but when dense-medium cyclone diameter still shows certain deficiency more than during Φ 1300mm, dense-medium cyclone large scale development is subject to certain restrictions.For the carbofrax material that extremely people pay close attention to, because its density is low, hardness is high, thermal expansivity is low, thermal conductivity is good, good in oxidation resistance, the feature such as corrosion-resistant, and have good hot strength and heat-shock resistance, be widely used as the structural part in abrasive material, high-abrasive material, electrical heating element and mechanical engineering and the sealing member etc. in chemical engineering.At present, adopted in numerous industries such as petroleum industry, chemical industry, mechanical industry and metallurgical industry.In mining industry field, due to the bonding feature of its molecular structure, there is difficult processing, poor toughness, deadly defect that fragility is large, have a strong impact on its application potential as structured material, limit the application of carbofrax material in the contour impact field of mining industry, at present, only in fine grind grading, a small amount of application is had.
Existing liner plate mainly high-molecular polythene liner plate, nylon lining plate and the stainless steel liner plate etc. being usually used in the fields such as metallurgy, mine, coal, electric power.These liner plates wear no resistance, frictional coefficient is high, do not possess shock resistance, being everlasting, it uses position (as head of belt conveyor funnel, mixing dosage ore deposit groove, train Rotary Dumper Room and automobile material feeding ore deposit groove etc.) that materials from bonding occurs, not shock resistance, very easily coming off etc. affects phenomenon, add maintenance cost, reduce use effect, very easily cause the situations such as maintenance stopping production.And above-mentioned nylon lining plate, high-molecular polythene liner plate are only applicable to that material smooth running or artificial ice rink or bulk cargo density are little and without the place of drop, use range is too little.
Summary of the invention
Goal of the invention: the present invention is directed to deficiency, proposes high, the non-caked and shock resistance of a kind of fastness to rubbing; Also have that void content is low, wear resistance number, good toughness, be easy to the feature of processing, and aluminium oxide ceramic composite lining board of long service life and preparation method thereof.
Technical scheme: a kind of aluminium oxide ceramic composite lining board of the present invention, comprises the component of following mass fraction:
Aluminum oxide powder 60-90 part, ceramics powder 50-70 part, silica powder 5-10 part, magnesia powder 6-12 part, calcium oxide powder 5-8 part, yttrium oxide 2-8 part, carbon fiber 15-25 part, quartz sand 5-10 part, plastic powder 8-10 part, acetone 1-2 part, triethylene dimethylsilane 1-3 part, tackiness agent 0.5-1 part.
Further, the granularity of described plastic powder is 400 ~ 500 orders, and molecular weight is 250-300 ten thousand.
Further, the purity of described quartz sand is 85 ~ 95%, and granularity is 450 ~ 550 orders.
Further, described tackiness agent is PVB-98.
Further, the granular size of described aluminum oxide powder is 1-3 μm, and the granular size of silica powder is 1-2 μm, and the granular size of magnesia powder is 2-3 μm.
The invention also discloses a kind of preparation method of aluminium oxide ceramic composite lining board, comprise the steps:
(1) aluminum oxide powder 60-90 part is got by mass parts, ceramics powder 50-70 part, silica powder 5-10 part, magnesia powder 6-12 part, calcium oxide powder 5-8 part, yttrium oxide 2-8 part, carbon fiber 15-25 part, quartz sand 5-10 part, plastic powder 8-10 part, acetone 1-2 part, triethylene dimethylsilane 1-3 part, tackiness agent 0.5-1 part, and mixed;
(2) be 3500 ~ 4500 revs/min with stirrer at rotating speed, compound stirs 10 ~ 15 minutes lower than under the condition of 20 DEG C by temperature;
(3) with press patrix by the compound of mixing at pressure be 15 ~ 25 MPas condition under cold pressing 25 ~ 35 minutes;
(4) sinter in kiln, sintering process is: be warmed up to 400 DEG C with the heat-up rate of 60 ~ 100 DEG C/h, then 1250 DEG C are warmed up to the heat-up rate of 80 ~ 120 DEG C/h, insulation 1.5h, then 1350 ~ 1500 DEG C are warmed up to the heat-up rate of 100 ~ 120 DEG C/h, insulation 2.5h, finally Temperature fall to 200 DEG C kiln discharge in kiln.
Further, described sintering adopts vacuum sintering, and sintering vacuum tightness is 3 × 10-1Pa and following.
Beneficial effect: aluminium oxide ceramic composite lining board of the present invention has high, the non-caked and shock resistance of fastness to rubbing; Also have that void content is low, wear resistance number, good toughness, be easy to the feature of processing, and the feature of long service life.The inventive method utilizes yttrium oxide, aluminum oxide as the sintering aid of silicon carbide, using carbon fiber as toughness reinforcing phase, through batch mixing, mix with carbon fiber, shaping and sintering makes, effectively can reduce preparation cost, have that technique is simple, production cost is low, gas product porosity be low, wear resistance number, good toughness, long service life feature.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described:
Embodiment 1
A kind of aluminium oxide ceramic composite lining board, comprises the component of following mass fraction:
Aluminum oxide powder 60 parts, ceramics powder 50 parts, silica powder 5 parts, magnesia powder 6 parts, calcium oxide powder 5 parts, yttrium oxide 2 parts, 15 parts, carbon fiber, quartz sand 5 parts, plastic powder 8 parts, 1 part, acetone, triethylene dimethylsilane 1 part, 0.5 part, tackiness agent.
Further, the granularity of described plastic powder is 400 orders, and molecular weight is 2,500,000.
Further, the purity of described quartz sand is 85%, and granularity is 450 orders.
Further, described tackiness agent is PVB-98.
Further, the granular size of described aluminum oxide powder is 1 μm, and the granular size of silica powder is 1 μm, and the granular size of magnesia powder is 2 μm.
The preparation method of above-mentioned a kind of aluminium oxide ceramic composite lining board, comprises the steps:
(1) aluminum oxide powder 60 parts is got by mass parts, ceramics powder 50 parts, silica powder 5 parts, magnesia powder 6 parts, calcium oxide powder 5 parts, yttrium oxide 2 parts, 15 parts, carbon fiber, quartz sand 5 parts, plastic powder 8 parts, 1 part, acetone, triethylene dimethylsilane 1 part, 0.5 part, tackiness agent, and mixed;
(2) be 3500 revs/min with stirrer at rotating speed, compound is stirred 10 minutes lower than under the condition of 20 DEG C by temperature;
(3) with press patrix by the compound of mixing at pressure be 15 MPas condition under cold pressing 25 minutes;
(4) sinter in kiln, sintering process is: be warmed up to 400 DEG C with the heat-up rate of 60 DEG C/h, then 1250 DEG C are warmed up to the heat-up rate of 80 DEG C/h, insulation 1.5h, then 1350 DEG C are warmed up to the heat-up rate of 100 DEG C/h, insulation 2.5h, finally Temperature fall to 200 DEG C kiln discharge in kiln, described sintering adopts vacuum sintering, and sintering vacuum tightness is 3 × 10-1Pa and following.
Embodiment 2
A kind of aluminium oxide ceramic composite lining board, comprises the component of following mass fraction:
Aluminum oxide powder 90 parts, ceramics powder 70 parts, silica powder 10 parts, magnesia powder 12 parts, calcium oxide powder 8 parts, yttrium oxide 8 parts, 25 parts, carbon fiber, quartz sand 10 parts, plastic powder 10 parts, 2 parts, acetone, triethylene dimethylsilane 3 parts, 1 part, tackiness agent.
Further, the granularity of described plastic powder is 500 orders, and molecular weight is 3,000,000.
Further, the purity of described quartz sand is 95%, and granularity is 550 orders.
Further, described tackiness agent is PVB-98.
Further, the granular size of described aluminum oxide powder is 3 μm, and the granular size of silica powder is 2 μm, and the granular size of magnesia powder is 3 μm.
The preparation method of above-mentioned a kind of aluminium oxide ceramic composite lining board, comprises the steps:
(1) aluminum oxide powder 90 parts is got by mass parts, ceramics powder 70 parts, silica powder 10 parts, magnesia powder 12 parts, calcium oxide powder 8 parts, yttrium oxide 8 parts, 25 parts, carbon fiber, quartz sand 10 parts, plastic powder 10 parts, 2 parts, acetone, triethylene dimethylsilane 3 parts, 1 part, tackiness agent, and mixed;
(2) be 4500 revs/min with stirrer at rotating speed, compound is stirred 15 minutes lower than under the condition of 20 DEG C by temperature;
(3) with press patrix by the compound of mixing at pressure be 25 MPas condition under cold pressing 35 minutes;
(4) sinter in kiln, sintering process is: be warmed up to 400 DEG C with the heat-up rate of 100 DEG C/h, then 1250 DEG C are warmed up to the heat-up rate of 120 DEG C/h, insulation 1.5h, then 1500 DEG C are warmed up to the heat-up rate of 120 DEG C/h, insulation 2.5h, finally Temperature fall to 200 DEG C kiln discharge in kiln, described sintering adopts vacuum sintering, and sintering vacuum tightness is 3 × 10-1Pa and following.
Embodiment 3
A kind of aluminium oxide ceramic composite lining board, comprises the component of following mass fraction:
Aluminum oxide powder 75 parts, ceramics powder 60 parts, silica powder 7 parts, magnesia powder 9 parts, calcium oxide powder 6 parts, yttrium oxide 5 parts, 20 parts, carbon fiber, quartz sand 7 parts, plastic powder 9 parts, 1.5 parts, acetone, triethylene dimethylsilane 2 parts, 0.7 part, tackiness agent.
Further, the granularity of described plastic powder is 450 orders, and molecular weight is 2,700,000.
Further, the purity of described quartz sand is 90%, and granularity is 500 orders.
Further, described tackiness agent is PVB-98.
Further, the granular size of described aluminum oxide powder is 2 μm, and the granular size of silica powder is 1.5 μm, and the granular size of magnesia powder is 2.5 μm.
A preparation method for aluminium oxide ceramic composite lining board, comprises the steps:
(1) aluminum oxide powder 75 parts is got by mass parts, ceramics powder 60 parts, silica powder 7 parts, magnesia powder 9 parts, calcium oxide powder 6 parts, yttrium oxide 5 parts, 20 parts, carbon fiber, quartz sand 7 parts, plastic powder 9 parts, 1.5 parts, acetone, triethylene dimethylsilane 2 parts, 0.7 part, tackiness agent, and mixed;
(2) be 4000 revs/min with stirrer at rotating speed, compound is stirred 12 minutes lower than under the condition of 20 DEG C by temperature;
(3) with press patrix by the compound of mixing at pressure be 20 MPas condition under cold pressing 30 minutes;
(4) sinter in kiln, sintering process is: with: the heat-up rate of 80 DEG C/h is warmed up to 400 DEG C, then 1250 DEG C are warmed up to the heat-up rate of 100 DEG C/h, insulation 1.5h, then 1400 DEG C are warmed up to the heat-up rate of 110 DEG C/h, insulation 2.5h, finally Temperature fall to 200 DEG C kiln discharge in kiln, described sintering adopts vacuum sintering, and sintering vacuum tightness is 3 × 10-1Pa and following.
Aluminium oxide ceramic composite lining board of the present invention has high, the non-caked and shock resistance of fastness to rubbing; Also have that void content is low, wear resistance number, good toughness, be easy to the feature of processing, and the feature of long service life.The inventive method utilizes yttrium oxide, aluminum oxide as the sintering aid of silicon carbide, using carbon fiber as toughness reinforcing phase, through batch mixing, mix with carbon fiber, shaping and sintering makes, effectively can reduce preparation cost, have that technique is simple, production cost is low, gas product porosity be low, wear resistance number, good toughness, long service life feature.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. an aluminium oxide ceramic composite lining board, is characterized in that: the component comprising following mass fraction:
Aluminum oxide powder 60-90 part, ceramics powder 50-70 part, silica powder 5-10 part, magnesia powder 6-12 part, calcium oxide powder 5-8 part, yttrium oxide 2-8 part, carbon fiber 15-25 part, quartz sand 5-10 part, plastic powder 8-10 part, acetone 1-2 part, triethylene dimethylsilane 1-3 part, tackiness agent 0.5-1 part.
2. a kind of aluminium oxide ceramic composite lining board according to claim 1, is characterized in that: the granularity of described plastic powder is 400 ~ 500 orders, and molecular weight is 250-300 ten thousand.
3. a kind of aluminium oxide ceramic composite lining board according to claim 1, is characterized in that: the purity of described quartz sand is 85 ~ 95%, and granularity is 450 ~ 550 orders.
4. a kind of aluminium oxide ceramic composite lining board according to claim 1, is characterized in that: described tackiness agent is PVB-98.
5. a kind of aluminium oxide ceramic composite lining board according to claim 1, is characterized in that: the granular size of described aluminum oxide powder is 1-3 μm, and the granular size of silica powder is 1-2 μm, and the granular size of magnesia powder is 2-3 μm.
6. the preparation method of a kind of aluminium oxide ceramic composite lining board according to arbitrary one of claim 1-5, is characterized in that: comprise the steps:
(1) aluminum oxide powder 60-90 part is got by mass parts, ceramics powder 50-70 part, silica powder 5-10 part, magnesia powder 6-12 part, calcium oxide powder 5-8 part, yttrium oxide 2-8 part, carbon fiber 15-25 part, quartz sand 5-10 part, plastic powder 8-10 part, acetone 1-2 part, triethylene dimethylsilane 1-3 part, tackiness agent 0.5-1 part, and mixed;
(2) be 3500 ~ 4500 revs/min with stirrer at rotating speed, compound stirs 10 ~ 15 minutes lower than under the condition of 20 DEG C by temperature;
(3) with press patrix by the compound of mixing at pressure be 15 ~ 25 MPas condition under cold pressing 25 ~ 35 minutes;
(4) sinter in kiln, sintering process is: be warmed up to 400 DEG C with the heat-up rate of 60 ~ 100 DEG C/h, then 1250 DEG C are warmed up to the heat-up rate of 80 ~ 120 DEG C/h, insulation 1.5h, then 1350 ~ 1500 DEG C are warmed up to the heat-up rate of 100 ~ 120 DEG C/h, insulation 2.5h, finally Temperature fall to 200 DEG C kiln discharge in kiln.
7. the preparation method of a kind of aluminium oxide ceramic composite lining board according to claim 6, is characterized in that: described in state sintering adopt vacuum sintering; Sintering vacuum tightness is 3 × 10-1Pa and following.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510538155.5A CN105130409A (en) | 2015-08-28 | 2015-08-28 | Aluminum oxide ceramic composite liner plate and preparation method thereof |
| PCT/CN2015/091830 WO2017035917A1 (en) | 2015-08-28 | 2015-10-13 | Aluminium oxide ceramic composite liner plate and preparation method therefor |
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| CN201510538155.5A CN105130409A (en) | 2015-08-28 | 2015-08-28 | Aluminum oxide ceramic composite liner plate and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819839A (en) * | 2016-04-02 | 2016-08-03 | 山东天汇研磨耐磨技术开发有限公司 | Wear-resistant ceramic liner for cement ball mill and preparation method of wear-resistant ceramic liner |
| CN105819838A (en) * | 2016-04-02 | 2016-08-03 | 山东天汇研磨耐磨技术开发有限公司 | Wear-resistant ceramic liner for cement ball mill and preparation method of wear-resistant ceramic liner |
| CN110606734A (en) * | 2019-10-30 | 2019-12-24 | 成都先进金属材料产业技术研究院有限公司 | Method for preparing inclusion rod |
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| CN111473186B (en) * | 2020-03-21 | 2024-07-23 | 江苏永和高分子技术有限公司 | Ultra-large caliber variable-diameter displacement compensator and manufacturing method thereof |
| CN115490503B (en) * | 2022-10-25 | 2023-05-12 | 娄底市海天特种陶瓷有限公司 | Ceramic composite material and fuse porcelain tube |
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| CN102219481A (en) * | 2011-04-14 | 2011-10-19 | 武东生 | Alumina ceramic composite lining plate and preparation method thereof |
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| CN100360463C (en) * | 2006-02-28 | 2008-01-09 | 武东生 | Aluminium oxide ceramic composite lining board and preparing method |
| CN102701592A (en) * | 2012-06-19 | 2012-10-03 | 郑州九环科贸有限公司 | Microcrystalline ceramic liner and preparation method thereof |
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2015
- 2015-08-28 CN CN201510538155.5A patent/CN105130409A/en active Pending
- 2015-10-13 WO PCT/CN2015/091830 patent/WO2017035917A1/en active Application Filing
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| EP1270533A2 (en) * | 2001-06-21 | 2003-01-02 | Zellwerk GmbH | Ceramic materials, method for their production and use thereof |
| CN102219481A (en) * | 2011-04-14 | 2011-10-19 | 武东生 | Alumina ceramic composite lining plate and preparation method thereof |
| CN103922775A (en) * | 2014-04-01 | 2014-07-16 | 天地科技股份有限公司唐山分公司 | Hydrocyclone wear-resistant ceramic liner and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105819839A (en) * | 2016-04-02 | 2016-08-03 | 山东天汇研磨耐磨技术开发有限公司 | Wear-resistant ceramic liner for cement ball mill and preparation method of wear-resistant ceramic liner |
| CN105819838A (en) * | 2016-04-02 | 2016-08-03 | 山东天汇研磨耐磨技术开发有限公司 | Wear-resistant ceramic liner for cement ball mill and preparation method of wear-resistant ceramic liner |
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| CN110606734A (en) * | 2019-10-30 | 2019-12-24 | 成都先进金属材料产业技术研究院有限公司 | Method for preparing inclusion rod |
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| WO2017035917A1 (en) | 2017-03-09 |
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Application publication date: 20151209 |