CN105819836A - Alumina-based nano ceramic material and preparation method thereof - Google Patents
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Abstract
The invention belongs to the field of metal ceramic and discloses an alumina-based nano ceramic material and a preparation method thereof.The alumina-based nano ceramic material is prepared from 25-35 parts of aluminum oxide, 6-12 parts of nano-zirconia, 3-6 parts of beryllium oxide, 2-6 parts of niobium boride, 2-6 parts of tantalum boride, 3-7 parts of tantalum nitride, 3-6 parts of nickel silicide, 2-5 parts of manganese silicide, 2-5 parts of cobalt, 1-5 parts of tungsten, 2-4 parts of ferrum and 1-3 parts of molybdenum.The preparation method comprises the following steps that firstly, the materials are mixed in a high-speed mixer; secondly, the materials which are mixed evenly are subjected to mechanical milling; thirdly, the milled materials are put into a high-temperature sintering furnace to be sintered, and after slow temperature reducing, the alumina-based nano ceramic material is prepared.The prepared alumina-based nano ceramic material has superior compression resistance capability and tensile performance and can be applied to tools, bearings and the like.
Description
Technical field
The invention belongs to composite ceramic material field, relate to a kind of aluminium oxide base nano ceramic material and preparation method thereof.
Background technology
Aluminium oxide ceramics is divided into high-purity type and plain edition two kinds at present.High-purity type aluminium oxide ceramics system content 99.9% with
On ceramic material, owing to its sintering temperature is up to 1,650 1990 DEG C, transmission peak wavelength is 1～6 μm, is made generally in melten glass
To replace platinum crucible: utilize its light transmission and be resistant to alkali metal corrosivity as sodium vapor lamp pipe；Can be used as integrated in the electronics industry
Circuit substrate and high-frequency insulation material.Plain edition aluminium oxide ceramics system is divided into 99 porcelain, 95 porcelain, 90 porcelain, 85 porcelain etc. by content difference
Kind, Al2O3 content also divides common aluminium oxide ceramics series into 80% or 75% sometimes.Wherein 99 alumina ceramics materials are used
In making high-temperature crucibles, fire-resistant boiler tube and special high-abrasive material, such as ceramic bearing, ceramic seal and water valve plate etc.；95 oxidations
Aluminum porcelain is mainly used as corrosion-resistant, wear parts；Owing to often mixing part Talcum in 85 porcelain, improve electrical property and mechanical strength,
Can with metal sealings such as molybdenum, niobium, tantalums, have as electrovacuum device device.Siphunculus is improved with other cermet materials,
Can effectively improve the performance of alumina ceramic material, possess the compound alumina ceramic material of excellent comprcssive strength and hot strength
Material has the widest application.
Summary of the invention
Solve the technical problem that: alumina-based ceramic material has the biggest market space in ceramic metal field,
Alumina-based ceramic needs have preferable comprcssive strength and tensile strength, could meet the use of alumina ceramic material, this
The purpose of invention is to improve comprcssive strength and the tensile strength thereof of alumina-based ceramic material.
Technical scheme: for above problem, the invention discloses a kind of aluminium oxide base nano ceramic material, described oxygen
Change aluminum-base nano ceramic material and include the material of following weight:
Aluminium oxide 25-35 part,
Nano zircite 6-12 part,
Beryllium oxide 3-6 part,
Niobium (Nb) boride 2-6 part,
Tantalum boride 2-6 part,
Tantalum nitride 3-7 part,
Nickle silicide 3-6 part,
Silication manganese 2-5 part,
Cobalt 2-6 part,
Tungsten 1-5 part,
Ferrum 2-4 part,
Molybdenum 1-3 part.
Further, described a kind of aluminium oxide base nano ceramic material, including the material of following weight:
Aluminium oxide 28-33 part,
Nano zircite 8-10 part,
Beryllium oxide 4-5 part,
Niobium (Nb) boride 3-5 part,
Tantalum boride 3-5 part,
Tantalum nitride 4-6 part,
Nickle silicide 4-5 part,
Silication manganese 3-4 part,
Cobalt 3-5 part,
Tungsten 2-4 part,
Ferrum 3-4 part,
Molybdenum 2-3 part.
A kind of preparation method of aluminium oxide base nano ceramic material, described preparation method comprises the following steps:
(1) in high-speed mixer, add aluminium oxide 25-35 part, nano zircite 6-12 part, beryllium oxide 3-6 part, boron by weight
Change niobium 2-6 part, tantalum boride 2-6 part, tantalum nitride 3-7 part, nickle silicide 3-6 part, silication manganese 2-5 part, cobalt 2-6 part, tungsten 1-5 part, ferrum
2-4 part, molybdenum 1-3 part, mix 10-30min in high-speed mixer by above material；
(2) material after mix homogeneously carrying out mechanical ball milling again, in ball mill, ratio of grinding media to material is 25:1-45:1, and Ball-milling Time is
2-5h；
(3) material after ball milling being put in high temperature sintering furnace, hot pressing furnace pressure is adjusted to 75-95MPa, by high temperature sintering again
Stove is increased to 1050-1150 DEG C of sintering 2-4h according to the heating rate of 50-70 DEG C/min, after slow cooling, prepares oxidation
Aluminum-base nano ceramic material.
Further, the preparation method of described a kind of aluminium oxide base nano ceramic material, ball milling in described step (2)
In machine, ratio of grinding media to material is 35:1.
Further, the preparation method of described a kind of aluminium oxide base nano ceramic material, ball milling in described step (2)
Time is 5h.
Further, the preparation method of described a kind of aluminium oxide base nano ceramic material, heats up in described step (3)
Speed is 50-70 DEG C/min.
Further, the preparation method of described a kind of aluminium oxide base nano ceramic material, described step (3) raises
To 1100 DEG C of sintering 3h.
Beneficial effect: the aluminium oxide base nano ceramic material of the present invention be effectively improved ceramic material tensile strength and
Comprcssive strength, the aluminium oxide base nano ceramic material prepared can be used in the industries such as cutter, ball valve, bearing, improves and manufactures
The process ruggedness of product, and the aluminium oxide base nano ceramic material of the present invention has preparation technology industrialization simple, easy
The feature produced.
Detailed description of the invention
Embodiment 1
(1) add by weight in high-speed mixer aluminium oxide 35 parts, nano zircite 6 parts, beryllium oxide 3 parts, niobium (Nb) boride 6 parts,
Tantalum boride 2 parts, tantalum nitride 7 parts, nickle silicide 3 parts, 5 parts of silication manganese, cobalt 2 parts, 5 parts of tungsten, ferrum 4 parts, molybdenum 1 part, by above material
30min is mixed in high-speed mixer；
(2) material after mix homogeneously carrying out mechanical ball milling again, in ball mill, ratio of grinding media to material is 45:1, and Ball-milling Time is 2h；
(3) material after ball milling being put in high temperature sintering furnace, hot pressing furnace pressure is adjusted to 95MPa, by high temperature sintering furnace again
It is increased to 1150 DEG C of sintering 2h according to the heating rate of 50 DEG C/min, after slow cooling, prepares aluminium oxide base nano ceramic
Material.
The comprcssive strength of the aluminium oxide base nano ceramic material of embodiment 1 preparation is 223MPa, and hot strength is 175MPa.
Embodiment 2
(1) add by weight in high-speed mixer aluminium oxide 25 parts, nano zircite 12 parts, beryllium oxide 6 parts, niobium (Nb) boride 2 parts,
Tantalum boride 6 parts, tantalum nitride 3 parts, nickle silicide 6 parts, 2 parts of silication manganese, cobalt 6 parts, 1 part of tungsten, ferrum 2 parts, molybdenum 3 parts, by above material
10min is mixed in high-speed mixer；
(2) material after mix homogeneously carrying out mechanical ball milling again, in ball mill, ratio of grinding media to material is 25:1, and Ball-milling Time is 5h；
(3) material after ball milling being put in high temperature sintering furnace, hot pressing furnace pressure is adjusted to 75MPa, by high temperature sintering furnace again
It is increased to 1050 DEG C of sintering 4h according to the heating rate of 70 DEG C/min, after slow cooling, prepares aluminium oxide base nano ceramic
Material.
The comprcssive strength of the aluminium oxide base nano ceramic material of embodiment 2 preparation is 217MPa, and hot strength is 170MPa.
Embodiment 3
(1) add by weight in high-speed mixer aluminium oxide 28 parts, nano zircite 10 parts, beryllium oxide 4 parts, niobium (Nb) boride 3 parts,
Tantalum boride 5 parts, tantalum nitride 6 parts, nickle silicide 4 parts, 3 parts of silication manganese, cobalt 3 parts, 2 parts of tungsten, ferrum 4 parts, molybdenum 2 parts, by above material
30min is mixed in high-speed mixer；
(2) material after mix homogeneously carrying out mechanical ball milling again, in ball mill, ratio of grinding media to material is 45:1, and Ball-milling Time is 2h；
(3) material after ball milling being put in high temperature sintering furnace, hot pressing furnace pressure is adjusted to 95MPa, by high temperature sintering furnace again
It is increased to 1150 DEG C of sintering 2h according to the heating rate of 50 DEG C/min, after slow cooling, prepares aluminium oxide base nano ceramic
Material.
The comprcssive strength of the aluminium oxide base nano ceramic material of embodiment 3 preparation is 242MPa, and hot strength is 189MPa.
Embodiment 4
(1) add by weight in high-speed mixer aluminium oxide 33 parts, nano zircite 8 parts, beryllium oxide 5 parts, niobium (Nb) boride 5 parts,
Tantalum boride 3 parts, tantalum nitride 4 parts, nickle silicide 5 parts, 4 parts of silication manganese, cobalt 5 parts, 4 parts of tungsten, ferrum 3 parts, molybdenum 3 parts, by above material
10min is mixed in high-speed mixer；
(2) material after mix homogeneously carrying out mechanical ball milling again, in ball mill, ratio of grinding media to material is 25:1, and Ball-milling Time is 5h；
(3) material after ball milling being put in high temperature sintering furnace, hot pressing furnace pressure is adjusted to 75MPa, by high temperature sintering furnace again
It is increased to 1050 DEG C of sintering 4h according to the heating rate of 70 DEG C/min, after slow cooling, prepares aluminium oxide base nano ceramic
Material.
The comprcssive strength of the aluminium oxide base nano ceramic material of embodiment 4 preparation is 239MPa, and hot strength is 186MPa.
Embodiment 5
(1) add by weight in high-speed mixer aluminium oxide 30 parts, nano zircite 9 parts, beryllium oxide 4 parts, niobium (Nb) boride 4 parts,
Tantalum boride 4 parts, tantalum nitride 5 parts, nickle silicide 4 parts, 3 parts of silication manganese, cobalt 4 parts, 3 parts of tungsten, ferrum 4 parts, molybdenum 2 parts, by above material
20min is mixed in high-speed mixer；
(2) material after mix homogeneously carrying out mechanical ball milling again, in ball mill, ratio of grinding media to material is 35:1, and Ball-milling Time is 4h；
(3) material after ball milling being put in high temperature sintering furnace, hot pressing furnace pressure is adjusted to 85MPa, by high temperature sintering furnace again
It is increased to 1100 DEG C of sintering 3h according to the heating rate of 60 DEG C/min, after slow cooling, prepares aluminium oxide base nano ceramic
Material.
The comprcssive strength of the aluminium oxide base nano ceramic material of embodiment 5 preparation is 248MPa, and hot strength is 195MPa.
Comparative example 1
(1) add by weight in high-speed mixer aluminium oxide 35 parts, nano zircite 6 parts, beryllium oxide 3 parts, tantalum boride 2 parts,
Tantalum nitride 7 parts, nickle silicide 3 parts, cobalt 2 parts, ferrum 4 parts, molybdenum 1 part, mix 30min in high-speed mixer by above material；
(2) material after mix homogeneously carrying out mechanical ball milling again, in ball mill, ratio of grinding media to material is 45:1, and Ball-milling Time is 2h；
(3) material after ball milling being put in high temperature sintering furnace, hot pressing furnace pressure is adjusted to 95MPa, by high temperature sintering furnace again
It is increased to 1150 DEG C of sintering 2h according to the heating rate of 50 DEG C/min, after slow cooling, prepares aluminium oxide base nano ceramic
Material.
The comprcssive strength of the aluminium oxide base nano ceramic material of comparative example 1 preparation is 195MPa, and hot strength is 153MPa.
Comparative example 2
(1) add by weight in high-speed mixer aluminium oxide 35 parts, nano zircite 6 parts, beryllium oxide 3 parts, niobium (Nb) boride 6 parts,
Tantalum boride 2 parts, 5 parts of silication manganese, cobalt 2 parts, 5 parts of tungsten, ferrum 4 parts, mix 30min in high-speed mixer by above material；
(2) material after mix homogeneously carrying out mechanical ball milling again, in ball mill, ratio of grinding media to material is 45:1, and Ball-milling Time is 2h；
(3) material after ball milling being put in high temperature sintering furnace, hot pressing furnace pressure is adjusted to 95MPa, by high temperature sintering furnace again
It is increased to 1150 DEG C of sintering 2h according to the heating rate of 50 DEG C/min, after slow cooling, prepares aluminium oxide base nano ceramic
Material.
The comprcssive strength of the aluminium oxide base nano ceramic material of comparative example 2 preparation is 191MPa, and hot strength is 147MPa.
Claims (7)
1. an aluminium oxide base nano ceramic material, it is characterised in that described aluminium oxide base nano ceramic material includes following
The material of weight:
Aluminium oxide 25-35 part,
Nano zircite 6-12 part,
Beryllium oxide 3-6 part,
Niobium (Nb) boride 2-6 part,
Tantalum boride 2-6 part,
Tantalum nitride 3-7 part,
Nickle silicide 3-6 part,
Silication manganese 2-5 part,
Cobalt 2-6 part,
Tungsten 1-5 part,
Ferrum 2-4 part,
Molybdenum 1-3 part.
A kind of aluminium oxide base nano ceramic material the most according to claim 1, it is characterised in that described alumina base is received
Rice ceramic material includes the material of following weight:
Aluminium oxide 28-33 part,
Nano zircite 8-10 part,
Beryllium oxide 4-5 part,
Niobium (Nb) boride 3-5 part,
Tantalum boride 3-5 part,
Tantalum nitride 4-6 part,
Nickle silicide 4-5 part,
Silication manganese 3-4 part,
Cobalt 3-5 part,
Tungsten 2-4 part,
Ferrum 3-4 part,
Molybdenum 2-3 part.
3. the preparation method of an aluminium oxide base nano ceramic material, it is characterised in that described aluminium oxide base nano ceramic material
The preparation method of material comprises the following steps:
(1) in high-speed mixer, add aluminium oxide 25-35 part, nano zircite 6-12 part, beryllium oxide 3-6 part, boron by weight
Change niobium 2-6 part, tantalum boride 2-6 part, tantalum nitride 3-7 part, nickle silicide 3-6 part, silication manganese 2-5 part, cobalt 2-6 part, tungsten 1-5 part, ferrum
2-4 part, molybdenum 1-3 part, mix 10-30min in high-speed mixer by above material；
(2) material after mix homogeneously carrying out mechanical ball milling again, in ball mill, ratio of grinding media to material is 25:1-45:1, and Ball-milling Time is
2-5h；
(3) material after ball milling being put in high temperature sintering furnace, hot pressing furnace pressure is adjusted to 75-95MPa, by high temperature sintering again
Stove is increased to 1050-1150 DEG C of sintering 2-4h according to the heating rate of 50-70 DEG C/min, after slow cooling, prepares oxidation
Aluminum-base nano ceramic material.
The preparation method of a kind of aluminium oxide base nano ceramic material the most according to claim 3, it is characterised in that described
In step (2), in ball mill, ratio of grinding media to material is 35:1.
The preparation method of a kind of aluminium oxide base nano ceramic material the most according to claim 3, it is characterised in that described
In step (2), Ball-milling Time is 5h.
The preparation method of a kind of aluminium oxide base nano ceramic material the most according to claim 3, it is characterised in that described
In step (3), heating rate is 50-70 DEG C/min.
The preparation method of a kind of aluminium oxide base nano ceramic material the most according to claim 3, it is characterised in that described
Step (3) is increased to 1100 DEG C of sintering 3h.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106636839A (en) * | 2016-10-20 | 2017-05-10 | 郑州丽福爱生物技术有限公司 | High-strength composite metal ceramic and preparation method thereof |
| CN107739953A (en) * | 2017-12-05 | 2018-02-27 | 朱森 | A kind of beryllium oxide base metal-ceramic material and preparation method thereof |
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| US5462903A (en) * | 1990-07-24 | 1995-10-31 | Centre National De La Recherche Scientifique (C.N.R.S.) | Composite alumina/metal powders, cermets made from said powders, and processes of production |
| CN104328321A (en) * | 2014-10-23 | 2015-02-04 | 苏州莱特复合材料有限公司 | High-strength metal ceramic material and preparation method thereof |
| CN104556987A (en) * | 2015-01-28 | 2015-04-29 | 吴江华诚复合材料科技有限公司 | Nano cutter ceramic material and preparation method thereof |
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| CN104328321A (en) * | 2014-10-23 | 2015-02-04 | 苏州莱特复合材料有限公司 | High-strength metal ceramic material and preparation method thereof |
| CN104556987A (en) * | 2015-01-28 | 2015-04-29 | 吴江华诚复合材料科技有限公司 | Nano cutter ceramic material and preparation method thereof |
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| CN106636839A (en) * | 2016-10-20 | 2017-05-10 | 郑州丽福爱生物技术有限公司 | High-strength composite metal ceramic and preparation method thereof |
| CN107739953A (en) * | 2017-12-05 | 2018-02-27 | 朱森 | A kind of beryllium oxide base metal-ceramic material and preparation method thereof |
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