CN107840663A - A kind of silicon nitride ceramics - Google Patents
A kind of silicon nitride ceramics Download PDFInfo
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- CN107840663A CN107840663A CN201711412039.4A CN201711412039A CN107840663A CN 107840663 A CN107840663 A CN 107840663A CN 201711412039 A CN201711412039 A CN 201711412039A CN 107840663 A CN107840663 A CN 107840663A
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- 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
- C04B35/58—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
- C04B35/584—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 borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon nitride
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
- C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/444—Halide containing anions, e.g. bromide, iodate, chlorite
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- C04B2235/48—Organic compounds becoming part of a ceramic after heat treatment, e.g. carbonising phenol resins
- C04B2235/483—Si-containing organic compounds, e.g. silicone resins, (poly)silanes, (poly)siloxanes or (poly)silazanes
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Abstract
The parts by weight of a kind of silicon nitride ceramics, each component and component are as follows：80 100 parts of silicon nitride, 20 30 parts of magnesia, 15 18 parts of aluminum oxide, 20 25 parts of magnesium fluoride, 15 18 parts of di-iron trioxide, 58 parts of kaolin, 58 parts of polyethylene glycol, 25 parts of silane coupler, 30 40 parts of water.Silicon nitride ceramics wearability proposed by the present invention is good, good toughness, lubricity are good, and service life length, its creep resistance improves three orders of magnitude.
Description
Technical field
The invention belongs to silicon nitride ceramic material field, more particularly to a kind of silicon nitride ceramics.
Background technology
Passage, the material of pipeline have aluminum alloy materials, ceramics etc. at present, and aluminum alloy materials wear no resistance, and conduit is easy
Disappear, influence precision of color separation, often to change, cost is high；Presently used ceramic material fragility is big, and wearability is less high, no
Cold-resistant thermostimulation, resistance to acids and bases are poor, it is therefore desirable to which it is good to study wearability, and hardness is high, and good toughness, vibration resistance is heat-resisting, corrosion-resistant etc.
The ceramic material of excellent performance, to reduce cost.
The content of the invention
The defects of for existing ceramic material, it is an object of the invention to propose that a kind of wearability is good, lubricity is good, use
The silicon nitride ceramics of long lifespan.
The purpose of the present invention is realized using following technical scheme.According to a kind of silicon nitride ceramics proposed by the present invention,
The parts by weight of each component and component are as follows：Silicon nitride 80-100 parts, magnesia 20-30 parts, aluminum oxide 15-18 parts, magnesium fluoride
20-25 parts, di-iron trioxide 15-18 parts, kaolin 5-8 parts, polyethylene glycol 5-8 parts, silane coupler 2-5 parts, water 30-40
Part.
The purpose of the present invention is also further realized using following technical measures.
The parts by weight of the silicon nitride ceramics, each component and component are as follows：84 parts of silicon nitride, 23 parts of magnesia, oxidation
16 parts of aluminium, 22 parts of magnesium fluoride, 16 parts of di-iron trioxide, 6 parts of kaolin, 6 parts of polyethylene glycol, 3 parts of silane coupler, 33 parts of water.
The parts by weight of the silicon nitride ceramics, each component and component are as follows：87 parts of silicon nitride, 28 parts of magnesia, oxidation
17 parts of aluminium, 24 parts of magnesium fluoride, 17 parts of di-iron trioxide, 7 parts of kaolinite, 7 parts of polyethylene glycol, 4 parts of silane coupler, 36 parts of water.
Silicon nitride ceramics wearability proposed by the present invention is good, good toughness, lubricity are good, service life length, its creep resistance
Improve three orders of magnitude.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, described in detail below especially exemplified by preferred embodiment.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with specific embodiment, to this hair
Bright further description.
Embodiment one
The parts by weight of a kind of silicon nitride ceramics, each component and component are as follows：80 parts of silicon nitride, 20 parts of magnesia, oxidation
15 parts of aluminium, 20 parts of magnesium fluoride, 15 parts of di-iron trioxide, 5 parts of kaolin, 5 parts of polyethylene glycol, 2 parts of silane coupler, 30 parts of water.
Embodiment two
The parts by weight of a kind of silicon nitride ceramics, each component and component are as follows：84 parts of silicon nitride, 23 parts of magnesia, oxidation
16 parts of aluminium, 22 parts of magnesium fluoride, 16 parts of di-iron trioxide, 6 parts of kaolin, 6 parts of polyethylene glycol, 3 parts of silane coupler, 33 parts of water.
Embodiment three
The parts by weight of a kind of silicon nitride ceramics, each component and component are as follows：87 parts of silicon nitride, 28 parts of magnesia, oxidation
17 parts of aluminium, 24 parts of magnesium fluoride, 17 parts of di-iron trioxide, 7 parts of kaolinite, 7 parts of polyethylene glycol, 4 parts of silane coupler, 36 parts of water.
Example IV
The parts by weight of a kind of silicon nitride ceramics, each component and component are as follows：100 parts of silicon nitride, 30 parts of magnesia, oxidation
18 parts of aluminium, 25 parts of magnesium fluoride, 18 parts of di-iron trioxide, 8 parts of kaolin, 8 parts of polyethylene glycol, 5 parts of silane coupler, 40 parts of water.
It is described above, only it is the preferred embodiment of patent of the present invention, any person skilled in the art, not
Depart from the art of this patent aspects, according to this patent technical spirit to any simple modification made for any of the above embodiments,
Equivalent variations and modification, in the range of still falling within the art of this patent scheme.
Claims (3)
1. a kind of silicon nitride ceramics, it is characterised in that the parts by weight of each component and component are as follows：Silicon nitride 80-100 parts, oxidation
Magnesium 20-30 parts, aluminum oxide 15-18 parts, magnesium fluoride 20-25 parts, di-iron trioxide 15-18 parts, kaolin 5-8 parts, polyethylene glycol
5-8 parts, silane coupler 2-5 parts, water 30-40 parts.
2. silicon nitride ceramics according to claim 1, it is characterised in that the parts by weight of each component and component are as follows：Nitridation
84 parts of silicon, 23 parts of magnesia, 16 parts of aluminum oxide, 22 parts of magnesium fluoride, 16 parts of di-iron trioxide, 6 parts of kaolin, 6 parts of polyethylene glycol,
3 parts of silane coupler, 33 parts of water.
3. silicon nitride ceramics according to claim 1, it is characterised in that the parts by weight of each component and component are as follows：Nitridation
87 parts of silicon, 28 parts of magnesia, 17 parts of aluminum oxide, 24 parts of magnesium fluoride, 17 parts of di-iron trioxide, 7 parts of kaolinite, 7 parts of polyethylene glycol, silicon
4 parts of alkane coupling agent, 36 parts of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711412039.4A CN107840663A (en) | 2017-12-23 | 2017-12-23 | A kind of silicon nitride ceramics |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711412039.4A CN107840663A (en) | 2017-12-23 | 2017-12-23 | A kind of silicon nitride ceramics |
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| Publication Number | Publication Date |
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| CN107840663A true CN107840663A (en) | 2018-03-27 |
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| CN201711412039.4A Pending CN107840663A (en) | 2017-12-23 | 2017-12-23 | A kind of silicon nitride ceramics |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734290A (en) * | 2018-07-18 | 2020-01-31 | 常德科锐新材料科技有限公司 | silicon nitride ceramic materials and preparation method thereof |
| CN112299857A (en) * | 2020-11-16 | 2021-02-02 | 德州启源空调设备有限公司 | Air valve body material and preparation process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102584247A (en) * | 2012-03-13 | 2012-07-18 | 威海兴泰金属制造有限公司 | Complex-phase silicon nitride ceramic and manufacture method thereof |
| CN103848631A (en) * | 2012-11-29 | 2014-06-11 | 上海彭浦特种耐火材料厂有限公司 | Silicon nitride ceramic insulating material used for multipole magnesium electrolysis technology |
| CN105801128A (en) * | 2016-06-02 | 2016-07-27 | 吴依妮 | Silicon nitride ceramic and method for preparing same |
| CN105906348A (en) * | 2016-04-14 | 2016-08-31 | 北京中材人工晶体研究院有限公司 | Compact silicon nitride ceramic lift pipe, preparation method and application thereof |
| CN106673668A (en) * | 2016-12-14 | 2017-05-17 | 宜兴市华井科技有限公司 | Silicon nitride ceramic and preparation method thereof |
-
2017
- 2017-12-23 CN CN201711412039.4A patent/CN107840663A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102584247A (en) * | 2012-03-13 | 2012-07-18 | 威海兴泰金属制造有限公司 | Complex-phase silicon nitride ceramic and manufacture method thereof |
| CN103848631A (en) * | 2012-11-29 | 2014-06-11 | 上海彭浦特种耐火材料厂有限公司 | Silicon nitride ceramic insulating material used for multipole magnesium electrolysis technology |
| CN105906348A (en) * | 2016-04-14 | 2016-08-31 | 北京中材人工晶体研究院有限公司 | Compact silicon nitride ceramic lift pipe, preparation method and application thereof |
| CN105801128A (en) * | 2016-06-02 | 2016-07-27 | 吴依妮 | Silicon nitride ceramic and method for preparing same |
| CN106673668A (en) * | 2016-12-14 | 2017-05-17 | 宜兴市华井科技有限公司 | Silicon nitride ceramic and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110734290A (en) * | 2018-07-18 | 2020-01-31 | 常德科锐新材料科技有限公司 | silicon nitride ceramic materials and preparation method thereof |
| CN112299857A (en) * | 2020-11-16 | 2021-02-02 | 德州启源空调设备有限公司 | Air valve body material and preparation process thereof |
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Application publication date: 20180327 |