CN108395247A - A kind of ceramic nozzle and preparation method thereof that boron carbide-aluminium nitride is compound - Google Patents
A kind of ceramic nozzle and preparation method thereof that boron carbide-aluminium nitride is compound Download PDFInfo
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- CN108395247A CN108395247A CN201810417536.1A CN201810417536A CN108395247A CN 108395247 A CN108395247 A CN 108395247A CN 201810417536 A CN201810417536 A CN 201810417536A CN 108395247 A CN108395247 A CN 108395247A
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Abstract
The invention discloses a kind of ceramic nozzle and preparation method thereof that boron carbide aluminium nitride is compound, the compound ceramic nozzle of the boron carbide aluminium nitride is made of the raw material components of following parts by weight:25 36 parts of boron carbide, 59 parts of boron nitride, 37 parts of carbon fiber, 37 parts of activated carbon, 25 parts of sodium borohydride, 59 parts of copper powder, 36 parts of aluminium nitride, 13 parts of molybdenum disilicide, 28 parts of zirconium silicate, 69 parts of zinc stearate, 7 10 parts of pearl powder, 59 parts of dolomite, 36 parts of Sodium Polyacrylate, 24 parts of barium titanate, 59 parts of sodium triacetoxy borohydride, 38 parts of quartz.Compared with prior art, boron carbide aluminium nitride in the present invention it is compound ceramic nozzle performance is good, service life is long.
Description
Technical field
The invention belongs to field of material technology, more particularly to a kind of ceramic nozzle and its system that boron carbide-aluminium nitride is compound
Preparation Method.
Background technology
Boron carbide is a kind of non-oxide ceramics that covalent bond is extremely strong, and hardness is very high, is only second to diamond and cube nitrogen
Change boron.It is widely used in the nozzle, sealing element and the coating material etc. in wear-resistant field of sand-blasting machine.However, in order to make nozzle
Performance it is more preferable, the service life is longer, not only needs higher hardness, while also needing to high mechanical strength, high temperature resistant
And wearability it is good the advantages that.Thus, existing boron carbide material be suitably modified particularly important.
Invention content
The object of the present invention is to provide a kind of ceramic nozzle and preparation method thereof that boron carbide-aluminium nitride is compound, the nozzles
Performance is good, service life is long.
To achieve the above object, the present invention provides the following technical solutions:
A kind of ceramic nozzle that boron carbide-aluminium nitride is compound, is made of the raw material components of following parts by weight:Boron carbide
25-36 parts, 5-9 parts of boron nitride, 3-7 parts of carbon fiber, 3-7 parts of activated carbon, 2-5 parts of sodium borohydride, 5-9 parts of copper powder, aluminium nitride 3-6
Part, 1-3 parts of molybdenum disilicide, 2-8 parts of zirconium silicate, 6-9 parts of zinc stearate, 7-10 parts of pearl powder, 5-9 parts of dolomite, polyacrylic acid
3-6 parts of sodium, 2-4 parts of barium titanate, 5-9 parts of sodium triacetoxy borohydride are 3-8 parts quartzy.
Preferably, the compound ceramic nozzle of the boron carbide-aluminium nitride is made of the raw material components of following parts by weight:Carbon
Change 35 parts of boron, 6 parts of boron nitride, 4 parts of carbon fiber, 4 parts of activated carbon, 3 parts of sodium borohydride, 6 parts of copper powder, 6 parts of aluminium nitride, molybdenum disilicide
1.8 parts, 3 parts of zirconium silicate, 7 parts of zinc stearate, 10 parts of pearl powder, 6 parts of dolomite, 5 parts of Sodium Polyacrylate, 3 parts of barium titanate, three second
6 parts of triacetoxyborohydride, 6 parts of quartz.
Preferably, the compound ceramic nozzle of the boron carbide-aluminium nitride is made of the raw material components of following parts by weight:Carbon
Change 30 parts of boron, 6 parts of boron nitride, 7 parts of carbon fiber, 3 parts of activated carbon, 3 parts of sodium borohydride, 6 parts of copper powder, 3 parts of aluminium nitride, molybdenum disilicide
1 part, 7 parts of zirconium silicate, 8 parts of zinc stearate, 9 parts of pearl powder, 8 parts of dolomite, 5 parts of Sodium Polyacrylate, 4 parts of barium titanate, triacetyl
9 parts of oxygroup sodium borohydride, 4 parts of quartz.
The preparation method of the compound ceramic nozzle of boron carbide-aluminium nitride, includes the following steps:
(1) each raw material component is weighed according to weight part ratio;
(2) by carbon fiber, activated carbon, sodium borohydride, copper powder, aluminium nitride, molybdenum disilicide, zirconium silicate, zinc stearate, poly- third
Olefin(e) acid sodium, barium titanate, sodium triacetoxy borohydride mixing, mixed material heating to 2500-2600 DEG C, melting 15-22min, with
Cooled to room temperature afterwards stirs spare after being milled to 250-280 mesh powders;
(3) boron carbide, boron nitride, pearl powder, dolomite and quartz are put into ball mill, and the abrasive material after grinding is added
Enter in the material obtained by step (2), is sufficiently mixed rear spare;
(4) mixed material for obtaining (3) is sent into compression moulding in mold, condition of molding:Forcing press set temperature is
270-290 DEG C, under the conditions of 14-16MPa pressurize 15-20min, depanning obtain idiosome;
(5) idiosome being sintered, idiosome is first warming up to 420-440 DEG C in 30-35min, keeps the temperature 2-3 hours,
It is warming up to 1500-1600 DEG C by 12 DEG C/min again, heat preservation is taken out after 14-15 hours, after natural cooling to obtain the final product.
Compared with prior art, the beneficial effects of the invention are as follows:
The compound ceramic nozzle of boron carbide-aluminium nitride is using boron carbide as primary raw material in the present invention, while being especially added with
The auxiliary materials such as carbon fiber, sodium borohydride, copper powder, aluminium nitride, molybdenum disilicide, zirconium silicate, zinc stearate and barium titanate, and pass through each original
Expect the rational proportion between component, its performance is good, service life is long to make.
Specific implementation mode
With reference to the embodiment technical solution that the present invention will be described in detail, but protection domain is not limited thereto.
Embodiment one:
A kind of ceramic nozzle that boron carbide-aluminium nitride is compound, is made of the raw material components of following parts by weight:Boron carbide
35 parts, 6 parts of boron nitride, 4 parts of carbon fiber, 4 parts of activated carbon, 3 parts of sodium borohydride, 6 parts of copper powder, 6 parts of aluminium nitride, molybdenum disilicide 1.8
Part, 3 parts of zirconium silicate, 7 parts of zinc stearate, 10 parts of pearl powder, 6 parts of dolomite, 5 parts of Sodium Polyacrylate, 3 parts of barium titanate, triacetyl
6 parts of oxygroup sodium borohydride, 6 parts of quartz.
The preparation method of the compound ceramic nozzle of boron carbide-aluminium nitride, includes the following steps:
(1) each raw material component is weighed according to weight part ratio;
(2) by carbon fiber, activated carbon, sodium borohydride, copper powder, aluminium nitride, molybdenum disilicide, zirconium silicate, zinc stearate, poly- third
Olefin(e) acid sodium, barium titanate, sodium triacetoxy borohydride mixing, mixed material heating to 2500-2600 DEG C, melting 15-22min, with
Cooled to room temperature afterwards stirs spare after being milled to 250-280 mesh powders;
(3) boron carbide, boron nitride, pearl powder, dolomite and quartz are put into ball mill, and the abrasive material after grinding is added
Enter in the material obtained by step (2), is sufficiently mixed rear spare;
(4) mixed material for obtaining (3) is sent into compression moulding in mold, condition of molding:Forcing press set temperature is
270-290 DEG C, under the conditions of 14-16MPa pressurize 15-20min, depanning obtain idiosome;
(5) idiosome being sintered, idiosome is first warming up to 420-440 DEG C in 30-35min, keeps the temperature 2-3 hours,
It is warming up to 1500-1600 DEG C by 12 DEG C/min again, heat preservation is taken out after 14-15 hours, after natural cooling to obtain the final product.
Embodiment two:
A kind of ceramic nozzle that boron carbide-aluminium nitride is compound, is made of the raw material components of following parts by weight:Boron carbide
30 parts, 6 parts of boron nitride, 7 parts of carbon fiber, 3 parts of activated carbon, 3 parts of sodium borohydride, 6 parts of copper powder, 3 parts of aluminium nitride, 1 part of molybdenum disilicide,
7 parts of zirconium silicate, 8 parts of zinc stearate, 9 parts of pearl powder, 8 parts of dolomite, 5 parts of Sodium Polyacrylate, 4 parts of barium titanate, triacetoxyl group
9 parts of sodium borohydride, 4 parts of quartz.
The preparation method of the compound ceramic nozzle of boron carbide-aluminium nitride, includes the following steps:
(1) each raw material component is weighed according to weight part ratio;
(2) by carbon fiber, activated carbon, sodium borohydride, copper powder, aluminium nitride, molybdenum disilicide, zirconium silicate, zinc stearate, poly- third
Olefin(e) acid sodium, barium titanate, sodium triacetoxy borohydride mixing, mixed material heating to 2500-2600 DEG C, melting 15-22min, with
Cooled to room temperature afterwards stirs spare after being milled to 250-280 mesh powders;
(3) boron carbide, boron nitride, pearl powder, dolomite and quartz are put into ball mill, and the abrasive material after grinding is added
Enter in the material obtained by step (2), is sufficiently mixed rear spare;
(4) mixed material for obtaining (3) is sent into compression moulding in mold, condition of molding:Forcing press set temperature is
270-290 DEG C, under the conditions of 14-16MPa pressurize 15-20min, depanning obtain idiosome;
(5) idiosome being sintered, idiosome is first warming up to 420-440 DEG C in 30-35min, keeps the temperature 2-3 hours,
It is warming up to 1500-1600 DEG C by 12 DEG C/min again, heat preservation is taken out after 14-15 hours, after natural cooling to obtain the final product.
Embodiment three:
A kind of ceramic nozzle that boron carbide-aluminium nitride is compound, is made of the raw material components of following parts by weight:Boron carbide
25 parts, 5 parts of boron nitride, 3 parts of carbon fiber, 3 parts of activated carbon, 2 parts of sodium borohydride, 5 parts of copper powder, 3 parts of aluminium nitride, 1 part of molybdenum disilicide,
2 parts of zirconium silicate, 6 parts of zinc stearate, 7 parts of pearl powder, 5 parts of dolomite, 3 parts of Sodium Polyacrylate, 2 parts of barium titanate, triacetoxyl group
5 parts of sodium borohydride, 3 parts of quartz.
The preparation method of the compound ceramic nozzle of boron carbide-aluminium nitride, includes the following steps:
(1) each raw material component is weighed according to weight part ratio;
(2) by carbon fiber, activated carbon, sodium borohydride, copper powder, aluminium nitride, molybdenum disilicide, zirconium silicate, zinc stearate, poly- third
Olefin(e) acid sodium, barium titanate, sodium triacetoxy borohydride mixing, mixed material heating to 2500-2600 DEG C, melting 15-22min, with
Cooled to room temperature afterwards stirs spare after being milled to 250-280 mesh powders;
(3) boron carbide, boron nitride, pearl powder, dolomite and quartz are put into ball mill, and the abrasive material after grinding is added
Enter in the material obtained by step (2), is sufficiently mixed rear spare;
(4) mixed material for obtaining (3) is sent into compression moulding in mold, condition of molding:Forcing press set temperature is
270-290 DEG C, under the conditions of 14-16MPa pressurize 15-20min, depanning obtain idiosome;
(5) idiosome being sintered, idiosome is first warming up to 420-440 DEG C in 30-35min, keeps the temperature 2-3 hours,
It is warming up to 1500-1600 DEG C by 12 DEG C/min again, heat preservation is taken out after 14-15 hours, after natural cooling to obtain the final product.
Example IV:
A kind of ceramic nozzle that boron carbide-aluminium nitride is compound, is made of the raw material components of following parts by weight:Boron carbide
36 parts, 9 parts of boron nitride, 7 parts of carbon fiber, 7 parts of activated carbon, 5 parts of sodium borohydride, 9 parts of copper powder, 6 parts of aluminium nitride, 3 parts of molybdenum disilicide,
8 parts of zirconium silicate, 9 parts of zinc stearate, 10 parts of pearl powder, 9 parts of dolomite, 6 parts of Sodium Polyacrylate, 4 parts of barium titanate, triacetoxyl group
9 parts of sodium borohydride, 8 parts of quartz.
The preparation method of the compound ceramic nozzle of boron carbide-aluminium nitride, includes the following steps:
(1) each raw material component is weighed according to weight part ratio;
(2) by carbon fiber, activated carbon, sodium borohydride, copper powder, aluminium nitride, molybdenum disilicide, zirconium silicate, zinc stearate, poly- third
Olefin(e) acid sodium, barium titanate, sodium triacetoxy borohydride mixing, mixed material heating to 2500-2600 DEG C, melting 15-22min, with
Cooled to room temperature afterwards stirs spare after being milled to 250-280 mesh powders;
(3) boron carbide, boron nitride, pearl powder, dolomite and quartz are put into ball mill, and the abrasive material after grinding is added
Enter in the material obtained by step (2), is sufficiently mixed rear spare;
(4) mixed material for obtaining (3) is sent into compression moulding in mold, condition of molding:Forcing press set temperature is
270-290 DEG C, under the conditions of 14-16MPa pressurize 15-20min, depanning obtain idiosome;
(5) idiosome being sintered, idiosome is first warming up to 420-440 DEG C in 30-35min, keeps the temperature 2-3 hours,
It is warming up to 1500-1600 DEG C by 12 DEG C/min again, heat preservation is taken out after 14-15 hours, after natural cooling to obtain the final product.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although with reference to compared with
Good embodiment describes the invention in detail, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of the technical program, should all be covered in the present invention
Right in.
Claims (4)
1. a kind of ceramic nozzle that boron carbide-aluminium nitride is compound, which is characterized in that by the raw material components system of following parts by weight
At:25-36 parts of boron carbide, 5-9 parts of boron nitride, 3-7 parts of carbon fiber, 3-7 parts of activated carbon, 2-5 parts of sodium borohydride, 5-9 parts of copper powder,
3-6 parts of aluminium nitride, 1-3 parts of molybdenum disilicide, 2-8 parts of zirconium silicate, 6-9 parts of zinc stearate, 7-10 parts of pearl powder, 5-9 parts of dolomite,
3-6 parts of Sodium Polyacrylate, 2-4 parts of barium titanate, 5-9 parts of sodium triacetoxy borohydride are 3-8 parts quartzy.
2. a kind of compound ceramic nozzle of boron carbide-aluminium nitride according to claim 1, which is characterized in that by following heavy
The raw material components of amount number are made:35 parts of boron carbide, 6 parts of boron nitride, 4 parts of carbon fiber, 4 parts of activated carbon, 3 parts of sodium borohydride, copper
6 parts of powder, 6 parts of aluminium nitride, 1.8 parts of molybdenum disilicide, 3 parts of zirconium silicate, 7 parts of zinc stearate, 10 parts of pearl powder, 6 parts of dolomite, poly- third
5 parts of olefin(e) acid sodium, 3 parts of barium titanate, 6 parts of sodium triacetoxy borohydride, 6 parts of quartz.
3. a kind of compound ceramic nozzle of boron carbide-aluminium nitride according to claim 1, which is characterized in that by following heavy
The raw material components of amount number are made:30 parts of boron carbide, 6 parts of boron nitride, 7 parts of carbon fiber, 3 parts of activated carbon, 3 parts of sodium borohydride, copper
6 parts of powder, 3 parts of aluminium nitride, 1 part of molybdenum disilicide, 7 parts of zirconium silicate, 8 parts of zinc stearate, 9 parts of pearl powder, 8 parts of dolomite, polypropylene
5 parts of sour sodium, 4 parts of barium titanate, 9 parts of sodium triacetoxy borohydride, 4 parts of quartz.
4. a kind of preparation method of compound ceramic nozzle of boron carbide-aluminium nitride according to any one of claim 1-3,
It is characterized by comprising the following steps:
(1) each raw material component is weighed according to weight part ratio;
(2) by carbon fiber, activated carbon, sodium borohydride, copper powder, aluminium nitride, molybdenum disilicide, zirconium silicate, zinc stearate, polyacrylic acid
Sodium, barium titanate, sodium triacetoxy borohydride mixing, mixed material heating is to 2500-2600 DEG C, melting 15-22min, then certainly
It is so cooled to room temperature, after being milled to 250-280 mesh powders, stirs spare;
(3) boron carbide, boron nitride, pearl powder, dolomite and quartz are put into ball mill, and step is added in the abrasive material after grinding
Suddenly it in the material obtained by (2), is sufficiently mixed rear spare;
(4) mixed material for obtaining (3) is sent into compression moulding in mold, condition of molding:Forcing press set temperature is 270-290
DEG C, under the conditions of 14-16MPa pressurize 15-20min, depanning obtain idiosome;
(5) idiosome is sintered, idiosome is first warming up to 420-440 DEG C in 30-35min, keeps the temperature 2-3 hours, then press
12 DEG C/min is warming up to 1500-1600 DEG C, and heat preservation is taken out after 14-15 hours, after natural cooling to obtain the final product.
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CN108975344A (en) * | 2018-08-22 | 2018-12-11 | 成都理工大学 | The preparation method of amorphous Cu-B-N-H nano material |
CN111995415A (en) * | 2020-08-18 | 2020-11-27 | 潍坊卓宇新材料科技有限公司 | Composite boron nitride ceramic high-temperature nozzle and preparation method thereof |
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