CN108840682A - A kind of high abrasion crucible ceramic material - Google Patents
A kind of high abrasion crucible ceramic material Download PDFInfo
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- CN108840682A CN108840682A CN201810763026.XA CN201810763026A CN108840682A CN 108840682 A CN108840682 A CN 108840682A CN 201810763026 A CN201810763026 A CN 201810763026A CN 108840682 A CN108840682 A CN 108840682A
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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
- C04B35/56—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 carbides or oxycarbides
- C04B35/565—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 carbides or oxycarbides based on silicon carbide
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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
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
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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
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- C04B2235/3891—Silicides, e.g. molybdenum disilicide, iron silicide
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- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Abstract
The invention discloses a kind of high abrasion crucible ceramic materials, and by mass fraction, its material component includes：42-60 parts of silicon carbide, 18-26 parts of boron carbide, 2-5 parts of yttrium oxide, 0.5-1.5 parts of zirconium oxide, 0.8-2 parts of nickle silicide, 12-17 parts of aluminum oxide, 4-8 parts of silica, 0.3-0.8 parts of dispersing agent, 1-3 parts of binder.High abrasion crucible ceramic material, crucible made of this ceramic material, with very high wearability, the workable service life is long.
Description
Technical field
The present invention relates to technical field of ceramic material more particularly to a kind of high abrasion crucible ceramic materials.
Background technique
In industrial smelting furnace, crucible is wherein important component part.Since industrial smelting furnace is usually to be applied to metal
Melting, so more stringent requirements are proposed to the quality of crucible.
Crucible in use, will be contacted with metal, such as：Metallic aluminium, iron and copper, generally all due to metal
It is harder material, at melting initial stage, and in order to which heat conduction is unobstructed, also to treat molten metal object is stirred, institute
It will do it with metal object with crucible and contact friction.
In existing crucible, since it wears no resistance, service life is short in the extreme, in this way but also metal melting cost
It is substantially increased.
Summary of the invention
In view of this, the present invention provides a kind of high abrasion crucible ceramic materials.
A kind of high abrasion crucible ceramic material, by mass fraction, its material component includes：
Preferably, by mass fraction, its material component includes：
Preferably, by mass fraction, its material component includes：
Preferably, the dispersing agent is aliphatic amide type or esters dispersing agent.
Preferably, the aliphatic amide type dispersing agent is ethylene group bis-stearamides.
Preferably, the esters dispersing agent is glyceryl monostearate or glyceryl tristearate.
Preferably, the silica is fumed silica.
The beneficial effects of the present invention are：High abrasion crucible ceramic material, crucible made of this ceramic material, with non-
Often high wearability, workable service life are long.
Specific embodiment：
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The scope of protection of the invention.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded
Body, step, operation, the presence or addition of element, component and/or its set.
It will be further appreciated that the term "and/or" used in description of the invention and the appended claims is
Refer to any combination and all possible combinations of one or more of associated item listed, and including these combinations.
Embodiment 1
The blank of crucible, blank by mass component by being formed as follows：
The preparation method of high abrasion crucible ceramic material：
Accurately weigh silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, the aluminum oxide, gas phase two of formula ratio
Silica, ethylene group bis-stearamides and binder；
Silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide and fumed silica are put respectively
Enter into ball mill, ratio of grinding media to material 20:1, Ball-milling Time 250min are crushed；
By smashed silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, fumed silica
And ethylene group bis-stearamides are placed in drying box and are dried, and 140 DEG C of drying temperature, drying time 20min；
By silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, the fumed silica after drying
And ethylene group bis-stearamides are added into high mixer, high mixer revolving speed is 500r/min, mixes 9min, obtains mixing a；
Mixing a is added into molding machine, while binder is added, carries out being pressed into crucible-type, obtains crucible base；
Crucible base after molding is pre-sintered, at a temperature of 1000 DEG C, keeps the temperature 3h, obtains being pre-sintered blank；
It will be pre-sintered at a temperature of blank carries out 1650 DEG C again, and be sintered 5h, obtain ceramic material crucible；
Ceramic material crucible is subjected to natural cooling, is cooled to room temperature, polishes.
Embodiment 2
The blank of crucible, blank by mass component by being formed as follows：
The preparation method of high abrasion crucible ceramic material：
Accurately weigh silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, the aluminum oxide, gas phase two of formula ratio
Silica, glyceryl monostearate and binder；
Silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide and fumed silica are put respectively
Enter into ball mill, ratio of grinding media to material 28:1, Ball-milling Time 170min are crushed；
By smashed silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, fumed silica
And glyceryl monostearate is placed in drying box and is dried, and 135 DEG C of drying temperature, drying time 23min；
By silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, the fumed silica after drying
And glyceryl monostearate is added into high mixer, high mixer revolving speed is 570r/min, mixes 6min, obtains mixing a；
Mixing a is added into molding machine, while binder is added, carries out being pressed into crucible-type, obtains crucible base；
Crucible base after molding is pre-sintered, at a temperature of 700 DEG C, keeps the temperature 6h, obtains being pre-sintered blank；
It will be pre-sintered at a temperature of blank carries out 1820 DEG C again, and be sintered 4h, obtain ceramic material crucible；
Ceramic material crucible is subjected to natural cooling, is cooled to room temperature, polishes.
Embodiment 3
The blank of crucible, blank by mass component by being formed as follows：
The preparation method of high abrasion crucible ceramic material：
Accurately weigh silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, the aluminum oxide, gas phase two of formula ratio
Silica, glyceryl tristearate and binder；
Silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide and fumed silica are put respectively
Enter into ball mill, ratio of grinding media to material 30:1, Ball-milling Time 150min are crushed；
By smashed silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, fumed silica
And glyceryl tristearate is placed in drying box and is dried, and 110 DEG C of drying temperature, drying time 30min；
By silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, the fumed silica after drying
And glyceryl tristearate is added into high mixer, high mixer revolving speed is 600r/min, mixes 5min, obtains mixing a；
Mixing a is added into molding machine, while binder is added, carries out being pressed into crucible-type, obtains crucible base；
Crucible base after molding is pre-sintered, at a temperature of 600 DEG C, keeps the temperature 7h, obtains being pre-sintered blank；
It will be pre-sintered at a temperature of blank carries out 1850 DEG C again, and be sintered 3h, obtain ceramic material crucible；
Ceramic material crucible is subjected to natural cooling, is cooled to room temperature, polishes.
Embodiment 4
The blank of crucible, blank by mass component by being formed as follows：
The preparation method of high abrasion crucible ceramic material：
Accurately weigh silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, the aluminum oxide, gas phase two of formula ratio
Silica, ethylene group bis-stearamides and binder；
Silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide and fumed silica are put respectively
Enter into ball mill, ratio of grinding media to material 24:1, Ball-milling Time 230min are crushed；
By smashed silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, fumed silica
And ethylene group bis-stearamides are placed in drying box and are dried, and 115 DEG C of drying temperature, drying time 28min；
By silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, the fumed silica after drying
And ethylene group bis-stearamides are added into high mixer, high mixer revolving speed is 530r/min, mixes 8min, obtains mixing a；
Mixing a is added into molding machine, while binder is added, carries out being pressed into crucible-type, obtains crucible base；
Crucible base after molding is pre-sintered, at a temperature of 900 DEG C, keeps the temperature 4h, obtains being pre-sintered blank；
It will be pre-sintered at a temperature of blank carries out 1680 DEG C again, and be sintered 5h, obtain ceramic material crucible；
Ceramic material crucible is subjected to natural cooling, is cooled to room temperature, polishes.
Embodiment 5
The blank of crucible, blank by mass component by being formed as follows：
The preparation method of high abrasion crucible ceramic material：
Accurately weigh silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, the aluminum oxide, gas phase two of formula ratio
Silica, glyceryl tristearate and binder；
Silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide and fumed silica are put respectively
Enter into ball mill, ratio of grinding media to material 25:1, Ball-milling Time 190min are crushed；
By smashed silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, fumed silica
And glyceryl tristearate is placed in drying box and is dried, and 124 DEG C of drying temperature, drying time 26min；
By silicon carbide, boron carbide, yttrium oxide, zirconium oxide, nickle silicide, aluminum oxide, the fumed silica after drying
And glyceryl tristearate is added into high mixer, high mixer revolving speed is 560r/min, mixes 7min, obtains mixing a；
Mixing a is added into molding machine, while binder is added, carries out being pressed into crucible-type, obtains crucible base；
Crucible base after molding is pre-sintered, at a temperature of 820 DEG C, keeps the temperature 5h, obtains being pre-sintered blank；
It will be pre-sintered at a temperature of blank carries out 1740 DEG C again, and be sintered 4h, obtain ceramic material crucible；
Ceramic material crucible is subjected to natural cooling, is cooled to room temperature, polishes.
By the crucible and commercially available crucible of embodiment 1-5 ceramic material, respectively crucible 1 and crucible 2, it is tested
Wearability and service life, test result is as follows：
The crucible that can be seen that the ceramic material of embodiment 1-5 according to the data in performance test table, with commercially available crucible
It compares, wear-resisting property is excellent, and coefficient of friction is small, the grinding depth as shallow of 48h, and its service life used is long.
It is to specific embodiment provided by the present invention above.
The present invention is described in detail in specification, and specific case used herein is to structural principle of the invention
And embodiment is expounded, above embodiments are merely used to help understand method and its core concept of the invention；Meanwhile
For those of ordinary skill in the art, according to the thought of the present invention, has change in specific embodiments and applications
Become place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (7)
1. a kind of high abrasion crucible ceramic material, which is characterized in that by mass fraction, its material component includes：
2. crucible ceramic material according to claim 1, which is characterized in that by mass fraction, its material component includes：
3. crucible ceramic material according to claim 2, which is characterized in that by mass fraction, its material component includes：
4. crucible ceramic material according to claim 1 to 3, it is characterised in that：The dispersing agent is aliphatic amide
Class or esters dispersing agent.
5. crucible ceramic material according to claim 4, it is characterised in that：The aliphatic amide type dispersing agent is ethylene
Base bis-stearamides.
6. crucible ceramic material according to claim 4, it is characterised in that：The esters dispersing agent is stearic acid list glycerol
Ester or glyceryl tristearate.
7. crucible ceramic material according to claim 1 to 3, it is characterised in that：The silica is gas phase dioxy
SiClx.
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| CN201810763026.XA CN108840682A (en) | 2018-07-12 | 2018-07-12 | A kind of high abrasion crucible ceramic material |
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| CN201810763026.XA CN108840682A (en) | 2018-07-12 | 2018-07-12 | A kind of high abrasion crucible ceramic material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964875A (en) * | 2014-05-09 | 2014-08-06 | 青岛百顿坩埚有限公司 | Raw material composition for graphite-silicon carbide crucible and manufacturing process thereof |
| CN105198440A (en) * | 2015-11-02 | 2015-12-30 | 攀枝花学院 | Silicon carbide crucible with thermal shock resistance and manufacturing technology of silicon carbide crucible |
| CN106083017A (en) * | 2016-06-22 | 2016-11-09 | 景德镇陶瓷大学 | A kind of high-performance low bulk crucible and preparation method thereof |
| WO2017022536A1 (en) * | 2015-08-06 | 2017-02-09 | 信越化学工業株式会社 | SiC CRUCIBLE, SiC SINTERED BODY, AND METHOD OF PRODUCING SiC SINGLE CRYSTAL |
| CN107686354A (en) * | 2017-09-18 | 2018-02-13 | 佛山市高捷工业炉有限公司 | A kind of blank of crucible |
-
2018
- 2018-07-12 CN CN201810763026.XA patent/CN108840682A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964875A (en) * | 2014-05-09 | 2014-08-06 | 青岛百顿坩埚有限公司 | Raw material composition for graphite-silicon carbide crucible and manufacturing process thereof |
| WO2017022536A1 (en) * | 2015-08-06 | 2017-02-09 | 信越化学工業株式会社 | SiC CRUCIBLE, SiC SINTERED BODY, AND METHOD OF PRODUCING SiC SINGLE CRYSTAL |
| CN105198440A (en) * | 2015-11-02 | 2015-12-30 | 攀枝花学院 | Silicon carbide crucible with thermal shock resistance and manufacturing technology of silicon carbide crucible |
| CN106083017A (en) * | 2016-06-22 | 2016-11-09 | 景德镇陶瓷大学 | A kind of high-performance low bulk crucible and preparation method thereof |
| CN107686354A (en) * | 2017-09-18 | 2018-02-13 | 佛山市高捷工业炉有限公司 | A kind of blank of crucible |
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Application publication date: 20181120 |